42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f

Analysis

max time kernel
164s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 07:12

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General

Target

42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.exe
Size

1.8MB
MD5

c8b3b3e6a85f4caa5a65a844f2e6ec82
SHA1

8998526ed06ca868c8c206ade407e61e382fea5f
SHA256

42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f
SHA512

c5a2af0b81e2f16fa593ebe82f2ff2beb79ead204e8a377e36b43b774059d7f27a2b4ff242981182293c4cfcbec0b3d9aebe8637c7c15bce7e29ec6f4ce4d84e
SSDEEP

49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+dY:RDGnkRWN+Ci067D6

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4912	42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.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
3168	4912	WerFault.exe	83

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4912	42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.exe
4912	42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.exe
4912	42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.exe
4912	42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.exe

C:\Users\Admin\AppData\Local\Temp\42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.exe
"C:\Users\Admin\AppData\Local\Temp\42afcdb2ba21aebe668a0ec98c751272c9f0722500361f36ba3c8792f1f3162f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:4912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 1288
  2⤵
  - Program crash
  PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4912 -ip 4912
1⤵
PID:736

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\Local\Temp\11283444855\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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