3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604

Analysis

max time kernel
169s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2022 02:29

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General

Target

3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe
Size

500KB
MD5

55a6f3e924a18d368756c29d582a3e67
SHA1

4e19a9ee30d00f829ca884b0ab9b43e3d6b3f778
SHA256

3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604
SHA512

380c1cd13ce5ceab2db30d2d4a71d4a5315a8b8321dc8928cb33d34ea6aabbaccb9dffa5f783d1fb5ad1aed92701acb5601c1c7e1a419014b394e0cfe44ffa8c
SSDEEP

12288:ozE679I8/ZdkB7qeGvRHHVlXqgGzP+4WvX5nxzpsBc8gdlLGc8:ozD7i8ANGZH6RT+L9xaBc8gac8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3984	keygen.exe
2508	sof.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	sof.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.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
2304	2508	WerFault.exe	86

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
4520	ipconfig.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2508	sof.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 3984	2708	3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe	85
PID 2708 wrote to memory of 3984	2708	3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe	85
PID 2708 wrote to memory of 3984	2708	3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe	85
PID 2708 wrote to memory of 2508	2708	3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe	86
PID 2708 wrote to memory of 2508	2708	3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe	86
PID 2708 wrote to memory of 2508	2708	3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe	86
PID 2508 wrote to memory of 4520	2508	sof.exe	87
PID 2508 wrote to memory of 4520	2508	sof.exe	87
PID 2508 wrote to memory of 4520	2508	sof.exe	87

C:\Users\Admin\AppData\Local\Temp\3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe
"C:\Users\Admin\AppData\Local\Temp\3408117bdc4227a3d38df3037154b721520f896bf3705482b0c5c3bfa86ad604.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\keygen.exe
  "C:\Users\Admin\AppData\Local\Temp\keygen.exe"
  2⤵
  - Executes dropped EXE
  PID:3984
- C:\Users\Admin\AppData\Local\Temp\sof.exe
  "C:\Users\Admin\AppData\Local\Temp\sof.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\System32\ipconfig.exe" /release
    3⤵
    - Gathers network information
    PID:4520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 908
    3⤵
    - Program crash
    PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2508 -ip 2508
1⤵
PID:4364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
50KB

MD5
1079fb1e72cf72361eedf520c641f013

SHA1
92a0d5d28083408678fdbc0a0a8dadb6ccc49848

SHA256
8e5f48a134ee5fc931ec15b8dc7b368a33422ffb7db25962d5a3553ae1cfae57

SHA512
c9dd688dff95c34540374be41dafaba2a6cc7e91c30d2d9f89499ffe39e02e58c15fdb0435ca216bcb51be3875b7c6fcc10a2b76a1ffb6b971980ff4792c7afa

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

Filesize
50KB

MD5
1079fb1e72cf72361eedf520c641f013

SHA1
92a0d5d28083408678fdbc0a0a8dadb6ccc49848

SHA256
8e5f48a134ee5fc931ec15b8dc7b368a33422ffb7db25962d5a3553ae1cfae57

SHA512
c9dd688dff95c34540374be41dafaba2a6cc7e91c30d2d9f89499ffe39e02e58c15fdb0435ca216bcb51be3875b7c6fcc10a2b76a1ffb6b971980ff4792c7afa

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

Filesize
512KB

MD5
323bf98564cf2c451da969c3112b08d7

SHA1
6009b0820241cd0443569447138d3337dd921628

SHA256
17849a3ccfab5fe04b16c21bc366e8a1e677e3d7fa7385846da514314cdef667

SHA512
7ec4131978b901b8fd94a29e2491edca820f0754669d11398070dcc03855c4aea6ec8c1c98846c303ebb44a6ab52fc55bb8fefe53ffa35c25757b91a6ec5a4a4

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

Filesize
512KB

MD5
323bf98564cf2c451da969c3112b08d7

SHA1
6009b0820241cd0443569447138d3337dd921628

SHA256
17849a3ccfab5fe04b16c21bc366e8a1e677e3d7fa7385846da514314cdef667

SHA512
7ec4131978b901b8fd94a29e2491edca820f0754669d11398070dcc03855c4aea6ec8c1c98846c303ebb44a6ab52fc55bb8fefe53ffa35c25757b91a6ec5a4a4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads