75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146

Analysis

max time kernel
178s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 01:04

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General

Target

75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
Size

205KB
MD5

019dd6b43e539bb7161ba0c9e43a43e0
SHA1

e8b8a0cbdd33edcb915af4d881659fced66863b0
SHA256

75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146
SHA512

6c7f411a92ea59635dcf95a3430cdfbfbe77634b7c5d58488eece1d18be8d3736cdea82e5f65eccfeb145a23c28ec7a94f7558a77e388d37e56cf6b448a99a16
SSDEEP

3072:IVHgCc4xGvbwcU9KQ2BBAHmaPxiVoIb5EL:VCc4xGxWKQ2Bonxj

Score

10^/10

persistence

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.tripod.com
Port:
21
Username:
onthelinux
Password:
741852abc

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4768	jusched.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\7a592f33\jusched.exe	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
File created	C:\Program Files (x86)\7a592f33\7a592f33	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 4768	4304	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe	82
PID 4304 wrote to memory of 4768	4304	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe	82
PID 4304 wrote to memory of 4768	4304	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe	82

C:\Users\Admin\AppData\Local\Temp\75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
"C:\Users\Admin\AppData\Local\Temp\75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Program Files (x86)\7a592f33\jusched.exe
  "C:\Program Files (x86)\7a592f33\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:4768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\7a592f33\7a592f33

Filesize
17B

MD5
134c1d489094d6d3399f65b0e9aebc1f

SHA1
612a57fbe6ed3ab9c15b39451171d813314a28d5

SHA256
54f9150d1268f7b4b83dd9fc3ec32274bf749715a5806ff3ca5262f5427d6781

SHA512
b09bf60e4850d05261d81a124a647dd111f42480224eae8a3bd2f64736c38119953703f868ad34194a7ae6dad6aabff4081ba73df262bbe9f5327867c56a48ed

Download Submit
C:\Program Files (x86)\7a592f33\jusched.exe

Filesize
205KB

MD5
c2b206433e3cac3bd01463b78285ab77

SHA1
22d86c411ee6639eb012a97a6db3b70f8c18c9bb

SHA256
9e8b2711f581bde66dc83a518c0e510a21640296ed2f1cb30f648f19b9b845d4

SHA512
a61017a803d3324d83207997687c34e9c24b15dfce5b793c3359eb4ebb0b8fa2651e4ae562652f8115635a89139b9d22dac7ef03f2d4fc4bac478a9f70d71302

Download Submit
C:\Program Files (x86)\7a592f33\jusched.exe

Filesize
205KB

MD5
c2b206433e3cac3bd01463b78285ab77

SHA1
22d86c411ee6639eb012a97a6db3b70f8c18c9bb

SHA256
9e8b2711f581bde66dc83a518c0e510a21640296ed2f1cb30f648f19b9b845d4

SHA512
a61017a803d3324d83207997687c34e9c24b15dfce5b793c3359eb4ebb0b8fa2651e4ae562652f8115635a89139b9d22dac7ef03f2d4fc4bac478a9f70d71302

Download Submit
memory/4304-132-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4304-133-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4304-136-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4768-138-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download