b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a

Analysis

max time kernel
39s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 03:17

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General

Target

b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe
Size

1.2MB
MD5

e51ec048e3cf8233b1f7375fab800e97
SHA1

64d9b77d38783261e26f84d3950cf1dd6ccd3d3d
SHA256

b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a
SHA512

8b5fc3c29475805d67c8db055a09bbcc6c298f5917b7016c73c0c8e2d9a5c6adb176a2fda20aad54886e0a9ed8df9098045d47d93d002529e7da516d54852e8b
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSxE+U6ZR+lm:EGM4GOrnHwDQSkRfYNjX5+nCm

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.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
1856	1928	WerFault.exe	25

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe
1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe
1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe
1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1856	1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe	26
PID 1928 wrote to memory of 1856	1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe	26
PID 1928 wrote to memory of 1856	1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe	26
PID 1928 wrote to memory of 1856	1928	b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe	26

C:\Users\Admin\AppData\Local\Temp\b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe
"C:\Users\Admin\AppData\Local\Temp\b1ac514e08fba1ec747c7316f730382ecb32dbbba7a6c2f9974fe83481d0a31a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 460
  2⤵
  - Program crash
  PID:1856

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

\Users\Admin\AppData\Local\Temp\112723714854\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1928-54-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

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