c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b

Analysis

max time kernel
163s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2022 02:40

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General

Target

c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.exe
Size

4.0MB
MD5

c68ee79467079c48a2f3c5962eee2376
SHA1

a440fc170ef7949c5c681d4db3832e5746b49dbb
SHA256

c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b
SHA512

363ee2e479f885b64800ae8c47b5e20af425772d357d98a4bb0fced62ffd1202135c0ed33e76a816e6207cda76b5acd304870c68880bc6885a7544128401087f
SSDEEP

98304:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXMNgvHNIekdwLBWdwLB1:gN+Cw62Nrv0fXMNetIPwL8wLb

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4784	c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.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
4996	4784	WerFault.exe	81

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4784	c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.exe
4784	c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.exe
4784	c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.exe
4784	c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.exe

C:\Users\Admin\AppData\Local\Temp\c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.exe
"C:\Users\Admin\AppData\Local\Temp\c8a1490513e332c0dfe87a9728f806adb32f09b1522dac233dad30095cff1b1b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:4784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 1296
  2⤵
  - Program crash
  PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4784 -ip 4784
1⤵
PID:2196

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\1127224356211\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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