d8c28d07c365873b4e8332f057f062e65f2dd0cd4d599fd8b16d82eca5cf4247

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2023, 23:14

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General

Target
sotema_1.txt.exe
Size 680KB
Sample230122-27y4fsca6x
SHA256 d8c28d07c365873b4e8332f057f062e65f2dd0cd4d599fd8b16d82eca5cf4247
MD5 7837314688b7989de1e8d94f598eb2dd
SHA1 889ae8ce433d5357f8ea2aff64daaba563dc94e3
SHA512 3df0c24a9f51a82716abb8e87ff44fdb6686183423d1f2f7d6bfb4cd03c3a18490f2c7987c29f3e1b2d25c48d428c2e73033998a872b185f70bb68a7aedb3e7c
SSDEEP 12288:Umn1vBXNJl0P3ZbcCAjqH0d5Q+qUH6wyZQMvvdgMiCIT:n1vJNJla39cGH0d+7sOlQCIT
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	sotema_1.txt.exe

Loads dropped DLL 1 IoCs

pid	Process
3592	rUNdlL32.eXe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
664	3592	WerFault.exe	82

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	sotema_1.txt.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 3592	4972	sotema_1.txt.exe	82
PID 4972 wrote to memory of 3592	4972	sotema_1.txt.exe	82
PID 4972 wrote to memory of 3592	4972	sotema_1.txt.exe	82

C:\Users\Admin\AppData\Local\Temp\sotema_1.txt.exe
"C:\Users\Admin\AppData\Local\Temp\sotema_1.txt.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\rUNdlL32.eXe
  "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\axhub.dll",axhub
  2⤵
  - Loads dropped DLL
  PID:3592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 600
    3⤵
    - Program crash
    PID:664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3592 -ip 3592
1⤵
PID:2800

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

axhub.dat

Path C:\Users\Admin\AppData\Local\Temp\axhub.dat
Size 551KB
SHA256 7a20b34c0f9b516007d40a570eafb782028c5613138e8b9697ca398b0b3420d6
MD5 13abe7637d904829fbb37ecda44a1670
SHA1 de26b60d2c0b1660220caf3f4a11dfabaa0e7b9f
SHA512 6e02ca1282f3d1bbbb684046eb5dcef412366a0ed2276c1f22d2f16b978647c0e35a8d728a0349f022295b0aba30139b2b8bb75b92aa5fdcc18aae9dcf357d77
SSDEEP 12288:LJl0P3ZbcCAjqH0d5Q+qUH6wyZQMvvdgMiCID:LJla39cGH0d+7sOlQCID
MD5 SHA1 SHA512 SSDEEP

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axhub.dll

Path C:\Users\Admin\AppData\Local\Temp\axhub.dll
Size 48KB
SHA256 10a122bd647c88aa23f96687e26b251862e83be9dbb89532f4a578689547972d
MD5 89c739ae3bbee8c40a52090ad0641d31
SHA1 d0f7dc9a0a3e52af0f9f9736f26e401636c420a1
SHA512 cc5059e478e5f469fde39e4119ee75eed7066f2a2069590cb5046e478b812f87ab1fc21dcfe44c965061fa4f9f83d6a14accf0c0e9b2406ae51504d06a3f6480
SSDEEP 768:nVQqTpLbvEFfifTIl2oy1vw/zhnCD5kdgqvlxy:nOqTpLLeqf+y1vwLhnCkdvlxy
MD5 SHA1 SHA512 SSDEEP

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axhub.dll

Path C:\Users\Admin\AppData\Local\Temp\axhub.dll
Size 48KB
SHA256 10a122bd647c88aa23f96687e26b251862e83be9dbb89532f4a578689547972d
MD5 89c739ae3bbee8c40a52090ad0641d31
SHA1 d0f7dc9a0a3e52af0f9f9736f26e401636c420a1
SHA512 cc5059e478e5f469fde39e4119ee75eed7066f2a2069590cb5046e478b812f87ab1fc21dcfe44c965061fa4f9f83d6a14accf0c0e9b2406ae51504d06a3f6480
SSDEEP 768:nVQqTpLbvEFfifTIl2oy1vw/zhnCD5kdgqvlxy:nOqTpLLeqf+y1vwLhnCkdvlxy
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads