djvu | 58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e

General

Target

58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
Size

785KB
MD5

a744b8ed52d3b82db1216f3dd3f8815f
SHA1

3c9c9a8663432156a9485bc9aacd5360696ddd1a
SHA256

58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e
SHA512

3681cc79dfdfae65938dbb38b4ed4f34711cded3b881944fc5d88c3d70208e232fc56924e20fed0426fc933c08295e52484e265b857aefd36073b5ac47beb306
SSDEEP

12288:xjVmV/m+Rkqy1GAYB96nU5tBb9sM2LLlxfszPveGzN0xHj3EFvdmszXy6uJkS:qVOasY+nUZC/wzvwqFvlzXhuiS

Score

10^/10

djvu vidar 5739ef2bbcd39fcd59c5746bfe4238c5 discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test1/get.php

Attributes

extension
.vook
offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

8.6

Botnet

5739ef2bbcd39fcd59c5746bfe4238c5

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes

profile_id_v2
5739ef2bbcd39fcd59c5746bfe4238c5
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 6 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/4304-54-0x00000000006B0000-0x00000000006E1000-memory.dmp	family_vidar_v7
behavioral1/memory/3188-52-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/3188-56-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/3188-62-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/3188-75-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-79-0x0000000000BE0000-0x0000000000CE0000-memory.dmp	family_vidar_v7

Detected Djvu ransomware 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3608-2-0x0000000002990000-0x0000000002AAB000-memory.dmp	family_djvu
behavioral1/memory/2044-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2044-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2044-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2044-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2044-18-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2680-89-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe

Executes dropped EXE 8 IoCs

Processes:

build2.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

4304 build2.exe
3188 build2.exe
1740 build3.exe
2236 build3.exe
1284 mstsca.exe
4340 mstsca.exe
4584 mstsca.exe
4036 mstsca.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1132 icacls.exe

pid	process
4304	build2.exe
3188	build2.exe
1740	build3.exe
2236	build3.exe
1284	mstsca.exe
4340	mstsca.exe
4584	mstsca.exe
4036	mstsca.exe

pid	process
1132	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\455a844d-e9fe-4805-9e93-71ca1155da0f\\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe\" --AutoStart"	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

7 api.2ip.ua
18 api.2ip.ua
6 api.2ip.ua

flow	ioc
7	api.2ip.ua
18	api.2ip.ua
6	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 3608 set thread context of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 set thread context of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 4304 set thread context of 3188	4304	build2.exe	build2.exe
PID 1740 set thread context of 2236	1740	build3.exe	build3.exe
PID 1284 set thread context of 4340	1284	mstsca.exe	mstsca.exe
PID 4584 set thread context of 4036	4584	mstsca.exe	mstsca.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1600 3188 WerFault.exe build2.exe
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1832 schtasks.exe
60 schtasks.exe

pid	pid_target	process	target process
1600	3188	WerFault.exe	build2.exe

pid	process
1832	schtasks.exe
60	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe

pid	process
2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3608 wrote to memory of 2044	3608	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 2044 wrote to memory of 1132	2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	icacls.exe
PID 2044 wrote to memory of 1132	2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	icacls.exe
PID 2044 wrote to memory of 1132	2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	icacls.exe
PID 2044 wrote to memory of 3880	2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 2044 wrote to memory of 3880	2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 2044 wrote to memory of 3880	2044	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 3880 wrote to memory of 2680	3880	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
PID 2680 wrote to memory of 4304	2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	build2.exe
PID 2680 wrote to memory of 4304	2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	build2.exe
PID 2680 wrote to memory of 4304	2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 4304 wrote to memory of 3188	4304	build2.exe	build2.exe
PID 2680 wrote to memory of 1740	2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	build3.exe
PID 2680 wrote to memory of 1740	2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	build3.exe
PID 2680 wrote to memory of 1740	2680	58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 1740 wrote to memory of 2236	1740	build3.exe	build3.exe
PID 2236 wrote to memory of 1832	2236	build3.exe	schtasks.exe
PID 2236 wrote to memory of 1832	2236	build3.exe	schtasks.exe
PID 2236 wrote to memory of 1832	2236	build3.exe	schtasks.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 1284 wrote to memory of 4340	1284	mstsca.exe	mstsca.exe
PID 4340 wrote to memory of 60	4340	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
"C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3608

C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
"C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\455a844d-e9fe-4805-9e93-71ca1155da0f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1132

C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
"C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3880

C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
"C:\Users\Admin\AppData\Local\Temp\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2680

C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build2.exe
"C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4304

C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build2.exe
"C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build2.exe"
6⤵
- Executes dropped EXE
PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 2032
7⤵
- Program crash
PID:1600

C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build3.exe
"C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build3.exe
"C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
7⤵
- Creates scheduled task(s)
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3188 -ip 3188
1⤵
PID:3212

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1284

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4340

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
3⤵
- Creates scheduled task(s)
PID:60

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:4584

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4036

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

File and Directory Permissions Modification

1

T1222

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
1KB

MD5
272ace8675a8e71477748c868fbffd15

SHA1
f34ce658c1f254558cca27671d862d72917c6b4e

SHA256
851558377bda6f453211d71e1e4d7bf9bb81f4f51984ba0653df550a632c3a77

SHA512
475ec315c72cd5d8fe0bd0009b6f9f285ca9be9a915ea2b0203f06d0825d3b278f14565acfb82e7df40d9223386eb097724dc4fe2f516e3fbf787ed7b109c1db

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
410B

MD5
efed02048245b9274c7178b9384f7343

SHA1
0c0efa7a1a8967ca83be094af3e6ddeeef58975f

SHA256
f15988b61fe014643839a6677aef4ffdb153e25d93c8f50f22095b46f5188a60

SHA512
65734e1bd33a139ebd8a47d94c489f3f37fc935a4edae192a9ab7ea28a4ab63e15c71c92c2dea1d00652b08face80e539d056137ad0a2ee191ef98f297c2d471

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
392B

MD5
f904f0d1d48efec1e236a0a8adb1e1ec

SHA1
611202c162dd0f541a9c32ce9cb20eff00771c76

SHA256
5ee0184a233220f355a635e48e7b18b4d6d3e0689679d49c401e360e67588cac

SHA512
67a5457e9a8b3ca147909ca429ccb6bb7560043aca700e1af27e4aa67bbb51960900be52104d13e04adcb0b8a05f201f01355b9e71fdfa38bb59a8f37ad0455e

Download Submit
C:\Users\Admin\AppData\Local\455a844d-e9fe-4805-9e93-71ca1155da0f\58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e.exe
Filesize
785KB

MD5
a744b8ed52d3b82db1216f3dd3f8815f

SHA1
3c9c9a8663432156a9485bc9aacd5360696ddd1a

SHA256
58927f9b69fc382a5c5bd74591caa0d1489e39f96246059944b1cb7cdf279c7e

SHA512
3681cc79dfdfae65938dbb38b4ed4f34711cded3b881944fc5d88c3d70208e232fc56924e20fed0426fc933c08295e52484e265b857aefd36073b5ac47beb306

Download Submit
C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build2.exe
Filesize
277KB

MD5
8dae8b6a6be6e3527183594d1c26a2d3

SHA1
b87e40cee60869a36e79c88c8a3a34baf0bc4889

SHA256
afce72cd3bc717c784962083066e3ede2b0aaadbe0908ec7360096c923774fa5

SHA512
0bf065700db647efba39a13a58242a595907e6c11885575cf0bdad9e23ab40583c8a6535464e46d75d075e20d88b7a6305a761df9da787fdc8728483dd48f96e

Download Submit
C:\Users\Admin\AppData\Local\4a608d67-d854-4342-99e9-fc210c314f40\build3.exe
Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
memory/1284-96-0x0000000000A70000-0x0000000000B70000-memory.dmp

Filesize
1024KB

Download
memory/1740-80-0x00000000022F0000-0x00000000022F4000-memory.dmp

Filesize
16KB

Download
memory/1740-79-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

Filesize
1024KB

Download
memory/2044-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2044-18-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2044-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2044-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2044-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2236-83-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2236-84-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2236-87-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2236-78-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2680-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-89-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3188-75-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3188-62-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3188-56-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3188-52-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3608-1-0x0000000000D10000-0x0000000000DAD000-memory.dmp

Filesize
628KB

Download
memory/3608-2-0x0000000002990000-0x0000000002AAB000-memory.dmp

Filesize
1.1MB

Download
memory/3880-20-0x0000000000C80000-0x0000000000D1A000-memory.dmp

Filesize
616KB

Download
memory/4304-54-0x00000000006B0000-0x00000000006E1000-memory.dmp

Filesize
196KB

Download
memory/4304-51-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/4584-115-0x0000000000B40000-0x0000000000C40000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads