b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb

Analysis

max time kernel
28s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 04:10

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General

Target

b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe
Size

1.9MB
MD5

64dfc04499344f75a32e98dd25417eaa
SHA1

b2754329695fe4b2b93e023895d6b2d1ddad1890
SHA256

b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb
SHA512

f467b4c9b515b8b719d95e34a20bcb323fa91e9a54b4674f56d1b99db4427ec1e5d6db73c79a556799d88ee2635911bc2674fc4ef37fcdbc0cb265327da3d7bb
SSDEEP

49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+d4L+:RDGnkRWN+Ci067DeL+

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.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
1188	1144	WerFault.exe	27

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe
1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe
1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe
1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 1188	1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe	28
PID 1144 wrote to memory of 1188	1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe	28
PID 1144 wrote to memory of 1188	1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe	28
PID 1144 wrote to memory of 1188	1144	b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe	28

C:\Users\Admin\AppData\Local\Temp\b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe
"C:\Users\Admin\AppData\Local\Temp\b751eec738f47aa00d18b73d9bf09ea92c0d6727493015849c627fa0d58ce0eb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 460
  2⤵
  - Program crash
  PID:1188

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

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Downloads

\Users\Admin\AppData\Local\Temp\112803556937\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1144-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

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