87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa

Analysis

max time kernel
192s
max time network
203s
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, 04:03

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General

Target

87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.exe
Size

1.1MB
MD5

2b05a2a29fc3fd19aca2ea07cc829f48
SHA1

1aaf136910dd3fa67eb3c78ecd42afc2ced394b8
SHA256

87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa
SHA512

8654f09b12d453441cd0a92ba9fdac8e361dad739c4dd300223336b088500c24e199e4392ad3763e9dbf89690c72648b61290ba558a290a9efc50a78a60e2af1
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSxE+Uj:EGM4GOrnHwDQSkRfYNjX5+w

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2220	87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.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
2580	2220	WerFault.exe	82

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2220	87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.exe
2220	87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.exe
2220	87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.exe
2220	87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.exe

C:\Users\Admin\AppData\Local\Temp\87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.exe
"C:\Users\Admin\AppData\Local\Temp\87e4d437ec85ac21d8a9ad38ca5f4a66965374d922e5ab76f2d8729e8223b2fa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 1292
  2⤵
  - Program crash
  PID:2580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2220 -ip 2220
1⤵
PID:2152

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\112802752888\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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