c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22

Analysis

max time kernel
142s
max time network
152s
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, 06:57

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General

Target

c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.exe
Size

1.3MB
MD5

dbb57152ac8f2e14b209dcdd7d912bb3
SHA1

8b90aecc707cc50ed43e53c446d5b65ce505650f
SHA256

c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22
SHA512

b68d4148acbad92485fcf68fa04f6445aea09df6968c67040d12713e6a5acfaef6e021ae6d98f6ecd3c813f76a1f9312b2742bd79fcac061d60749d852dd1830
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSxE+U6ZR+liQ1Uj:EGM4GOrnHwDQSkRfYNjX5+nCit

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
916	c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.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
4284	916	WerFault.exe	79

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
916	c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.exe
916	c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.exe
916	c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.exe
916	c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.exe

C:\Users\Admin\AppData\Local\Temp\c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.exe
"C:\Users\Admin\AppData\Local\Temp\c40cb1678ca1736b0e7cf17596c9c8516a1856d5b2e081dd11418b1ed72a4f22.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 1296
  2⤵
  - Program crash
  PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 916 -ip 916
1⤵
PID:2112

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\112831157362\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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