491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77

Analysis

max time kernel
100s
max time network
89s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 15:47

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General

Target

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe
Size

1.0MB
MD5

0f10c5c101c989bfd2953ab9c764f58d
SHA1

cdc0c98b770980955acc33c2ffeca2eaa0a3e6ad
SHA256

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77
SHA512

13900f45a533d5d905f8316f71afd604668d89a4f0d584163c791a7132dbf73b7bb70401c6143810ee400cb094010468a2920d1fc9c137f6bd6ea9fb8d88582b
SSDEEP

24576:WpGViRsX40jSwvySN6COXPv8JMqBHLwY:WwWsX40jfn6CL1rJ

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe

Executes dropped EXE 2 IoCs

Processes:

.exe .exe

pid process

1076 .exe
1788 .exe

pid	process
1076	.exe
1788	.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1788-85-0x0000000001610000-0x000000000171F000-memory.dmp	upx
behavioral1/memory/1788-88-0x0000000001610000-0x000000000171F000-memory.dmp	upx
behavioral1/memory/1788-91-0x0000000001610000-0x000000000171F000-memory.dmp	upx
behavioral1/memory/1788-95-0x0000000001610000-0x000000000171F000-memory.dmp	upx
behavioral1/memory/1788-98-0x0000000001610000-0x000000000171F000-memory.dmp	upx
behavioral1/memory/1788-99-0x0000000001610000-0x000000000171F000-memory.dmp	upx
behavioral1/memory/1788-100-0x0000000001610000-0x000000000171F000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe .exe

pid process

308 491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe
1076 .exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe .exe

description	pid	process	target process
PID 308 set thread context of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 1076 set thread context of 1788	1076	.exe	.exe

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

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1388 timeout.exe

pid	process
1388	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe .exe

pid	process
308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe
308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe
1788	.exe
308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe

description pid process

Token: SeDebugPrivilege 308 491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

.exe .exe

pid process

1076 .exe
1788 .exe

description	pid	process
Token: SeDebugPrivilege	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe

pid	process
1076	.exe
1788	.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.execmd.exewscript.exe .execmd.exe

description	pid	process	target process
PID 308 wrote to memory of 900	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 308 wrote to memory of 900	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 308 wrote to memory of 900	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 308 wrote to memory of 900	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 900 wrote to memory of 1032	900	cmd.exe	wscript.exe
PID 900 wrote to memory of 1032	900	cmd.exe	wscript.exe
PID 900 wrote to memory of 1032	900	cmd.exe	wscript.exe
PID 900 wrote to memory of 1032	900	cmd.exe	wscript.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 308 wrote to memory of 1076	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	.exe
PID 1032 wrote to memory of 1992	1032	wscript.exe	cmd.exe
PID 1032 wrote to memory of 1992	1032	wscript.exe	cmd.exe
PID 1032 wrote to memory of 1992	1032	wscript.exe	cmd.exe
PID 1032 wrote to memory of 1992	1032	wscript.exe	cmd.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 1076 wrote to memory of 1788	1076	.exe	.exe
PID 308 wrote to memory of 1932	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 308 wrote to memory of 1932	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 308 wrote to memory of 1932	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 308 wrote to memory of 1932	308	491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe	cmd.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	timeout.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	timeout.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	timeout.exe
PID 1932 wrote to memory of 1388	1932	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe
"C:\Users\Admin\AppData\Local\Temp\491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
4⤵
PID:1992

C:\Users\Admin\AppData\Local\Temp\ .exe
"C:\Users\Admin\AppData\Local\Temp\ .exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076

C:\Users\Admin\AppData\Local\Temp\ .exe
"C:\Users\Admin\AppData\Local\Temp\ .exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1788

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\stres.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\timeout.exe
timeout /t 360
3⤵
- Delays execution with timeout.exe
PID:1388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\ .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\ .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\file.exe

Filesize
1.0MB

MD5
0f10c5c101c989bfd2953ab9c764f58d

SHA1
cdc0c98b770980955acc33c2ffeca2eaa0a3e6ad

SHA256
491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77

SHA512
13900f45a533d5d905f8316f71afd604668d89a4f0d584163c791a7132dbf73b7bb70401c6143810ee400cb094010468a2920d1fc9c137f6bd6ea9fb8d88582b

Download Submit
C:\Users\Admin\AppData\Local\Temp\invs.vbs

Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata.bat

Filesize
47B

MD5
58c538a6ae20a3c6031217903cdf8e5d

SHA1
399fd50eadf4945b665877facfc4f53d16e18b1e

SHA256
6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

SHA512
c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata2.bat

Filesize
47B

MD5
095b2908ae8b2e0e3704c0163f26e283

SHA1
3429b6c1421d448c98c1da9625badcea2484a521

SHA256
22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1

SHA512
e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll11-.txt

Filesize
1.0MB

MD5
0f10c5c101c989bfd2953ab9c764f58d

SHA1
cdc0c98b770980955acc33c2ffeca2eaa0a3e6ad

SHA256
491eee56d107f177e6d5dc77da26e5b0a3c0fa12db02ba0e8b369f115ea2da77

SHA512
13900f45a533d5d905f8316f71afd604668d89a4f0d584163c791a7132dbf73b7bb70401c6143810ee400cb094010468a2920d1fc9c137f6bd6ea9fb8d88582b

Download Submit
C:\Users\Admin\AppData\Local\Temp\stres.bat

Filesize
186B

MD5
919a9f87e19b310d8be7312e5b43a997

SHA1
457f7e605a12ea3b1978ef52f9144405686f1e2b

SHA256
145be51134dcaef24e601d7806731d1b323b1df9e45eafd795bae4c80147fbcb

SHA512
b22974915a2fa0fba8678a4bf77d797d538cd19a9a6d11a5b4e1004b64cfce0a008a4b6d595b78cf7286ee392655320624ba41f2e1ad351b1fedf50fe943d52e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\zaWwhaFe1\zaWwhaFe1.dat

Filesize
2B

MD5
93e00066d099c0485cfffa1359246d26

SHA1
bc69a773f37b2f2071e25f755a66d47b871e5d98

SHA256
3b271649a94ad5be4ef46ecbb6a4e7363e8498b7e69b751737bf30df2e0d1dde

SHA512
d3dfe508cacae7d36f13908134b5b438b87429fcf93ccb060bcfa346c04633a99e9ca497297418c969537be1da2405171982794055dd0f52e59a82720d3b3d02

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\zaWwhaFe1\zaWwhaFe1.nfo

Filesize
3KB

MD5
f2419df69277e33c8513e83a9d868590

SHA1
a0d416a269df9d4c1c841c4cd2d94969414684c8

SHA256
a4b38be3704004a16cdab8431a53326bc7aa53b05745716a778e0ec613c23ace

SHA512
6f8540a20f50bcb6ebfcd5bab9ccf83a0bdad6199f4cce9580453bb8f631338caa978d6042e50d3d0973024bf629a8f4d385da9cb9cc2d33eb94456ffc797226

Download Submit
\Users\Admin\AppData\Local\Temp\ .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\ .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/308-108-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/308-70-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/308-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/308-75-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/900-55-0x0000000000000000-mapping.dmp

Download
memory/1032-58-0x0000000000000000-mapping.dmp

Download
memory/1076-80-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-76-0x00000000004085B0-mapping.dmp

Download
memory/1076-78-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-64-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-81-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-71-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-65-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-96-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-59-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-60-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-62-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-63-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1076-66-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1388-109-0x0000000000000000-mapping.dmp

Download
memory/1788-84-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

Download
memory/1788-104-0x0000000001611000-0x00000000016C5000-memory.dmp

Filesize
720KB

Download
memory/1788-99-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

Download
memory/1788-100-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

Download
memory/1788-95-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

Download
memory/1788-93-0x000000000171C900-mapping.dmp

Download
memory/1788-103-0x00000000016C5000-0x000000000171D000-memory.dmp

Filesize
352KB

Download
memory/1788-98-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

Download
memory/1788-110-0x00000000016C5000-0x000000000171D000-memory.dmp

Filesize
352KB

Download
memory/1788-91-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

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memory/1788-88-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

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memory/1788-85-0x0000000001610000-0x000000000171F000-memory.dmp

Filesize
1.1MB

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memory/1932-105-0x0000000000000000-mapping.dmp

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memory/1992-73-0x0000000000000000-mapping.dmp

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