c31708aacbc8384784cd80c899d40ab84315381f64c41c8b1fe5d53911a6f1d8

Analysis

max time kernel
31s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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

Executes dropped EXE 1 IoCs

pid	Process
2016	loader.exe

Loads dropped DLL 1 IoCs

pid	Process
1476	b76c2a73e579c3631b5d4671a4cfc4f4.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	2016	loader.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2016	loader.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2016	1476	b76c2a73e579c3631b5d4671a4cfc4f4.exe	29
PID 1476 wrote to memory of 2016	1476	b76c2a73e579c3631b5d4671a4cfc4f4.exe	29
PID 1476 wrote to memory of 2016	1476	b76c2a73e579c3631b5d4671a4cfc4f4.exe	29
PID 1476 wrote to memory of 2016	1476	b76c2a73e579c3631b5d4671a4cfc4f4.exe	29

C:\Users\Admin\AppData\Local\Temp\b76c2a73e579c3631b5d4671a4cfc4f4.exe
"C:\Users\Admin\AppData\Local\Temp\b76c2a73e579c3631b5d4671a4cfc4f4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1476
- 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:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Filesize
10KB

MD5
7eaaa0cf450dcca42997720f1947922a

SHA1
8f7766ec27a05f710e07ffe77876c81cba110d23

SHA256
79e717e6e868a25dcdac5277609a7be1cae6fedb5740cbb333ce2c2b604c42ea

SHA512
b45c1568c742c82b3ff5d5f973e5e19deb26ed2152409f1b922460d711b045c0cd4d9a4b18665df69e64559f2a74c0df828fdb9253a6395189ad841ef6130660

Download Submit
memory/1476-54-0x0000000001100000-0x000000000110E000-memory.dmp

Filesize
56KB

Download
memory/2016-61-0x0000000000C70000-0x0000000000C78000-memory.dmp

Filesize
32KB

Download
memory/2016-62-0x00000000003D0000-0x00000000003EA000-memory.dmp

Filesize
104KB

Download
memory/2016-63-0x000000001ADD0000-0x000000001AE50000-memory.dmp

Filesize
512KB

Download