c31708aacbc8384784cd80c899d40ab84315381f64c41c8b1fe5d53911a6f1d8

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2023, 04:21

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General

Target

b76c2a73e579c3631b5d4671a4cfc4f4.exe
Size

34KB
MD5

b76c2a73e579c3631b5d4671a4cfc4f4
SHA1

863d99be05416fbad97b9755574b5fceaa86c89f
SHA256

c31708aacbc8384784cd80c899d40ab84315381f64c41c8b1fe5d53911a6f1d8
SHA512

bba2f6268bae744b8ddfe3326ad6ec49cab034817f2f5cb5b2617617e0b92db221807f08f728588dcff62128144256eb306aed9d580c084320a085c2901e8da3
SSDEEP

768:KJLjkGoQ1/COVXQpq/S+tNjv3fwKUOYBXNb5d:KxgGoQ1/zWpR+Di9F5d

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	b76c2a73e579c3631b5d4671a4cfc4f4.exe

Executes dropped EXE 1 IoCs

pid	Process
116	loader.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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	loader.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
116	loader.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 116	1716	b76c2a73e579c3631b5d4671a4cfc4f4.exe	87
PID 1716 wrote to memory of 116	1716	b76c2a73e579c3631b5d4671a4cfc4f4.exe	87

C:\Users\Admin\AppData\Local\Temp\b76c2a73e579c3631b5d4671a4cfc4f4.exe
"C:\Users\Admin\AppData\Local\Temp\b76c2a73e579c3631b5d4671a4cfc4f4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Roaming\loader.exe
  "C:\Users\Admin\AppData\Roaming\loader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:116

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

C:\Users\Admin\AppData\Roaming\loader.exe

Filesize
10KB

MD5
7eaaa0cf450dcca42997720f1947922a

SHA1
8f7766ec27a05f710e07ffe77876c81cba110d23

SHA256
79e717e6e868a25dcdac5277609a7be1cae6fedb5740cbb333ce2c2b604c42ea

SHA512
b45c1568c742c82b3ff5d5f973e5e19deb26ed2152409f1b922460d711b045c0cd4d9a4b18665df69e64559f2a74c0df828fdb9253a6395189ad841ef6130660

Download Submit
C:\Users\Admin\AppData\Roaming\loader.exe

Filesize
10KB

MD5
7eaaa0cf450dcca42997720f1947922a

SHA1
8f7766ec27a05f710e07ffe77876c81cba110d23

SHA256
79e717e6e868a25dcdac5277609a7be1cae6fedb5740cbb333ce2c2b604c42ea

SHA512
b45c1568c742c82b3ff5d5f973e5e19deb26ed2152409f1b922460d711b045c0cd4d9a4b18665df69e64559f2a74c0df828fdb9253a6395189ad841ef6130660

Download Submit
C:\Users\Admin\AppData\Roaming\loader.exe

Filesize
10KB

MD5
7eaaa0cf450dcca42997720f1947922a

SHA1
8f7766ec27a05f710e07ffe77876c81cba110d23

SHA256
79e717e6e868a25dcdac5277609a7be1cae6fedb5740cbb333ce2c2b604c42ea

SHA512
b45c1568c742c82b3ff5d5f973e5e19deb26ed2152409f1b922460d711b045c0cd4d9a4b18665df69e64559f2a74c0df828fdb9253a6395189ad841ef6130660

Download Submit
memory/116-146-0x0000000000010000-0x0000000000018000-memory.dmp

Filesize
32KB

Download
memory/116-147-0x00000000007A0000-0x00000000007BA000-memory.dmp

Filesize
104KB

Download
memory/116-148-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/116-149-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/1716-133-0x0000000000650000-0x000000000065E000-memory.dmp

Filesize
56KB

Download