87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 07:46

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General

Target

87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe
Size

3.7MB
MD5

62c52e10362dcd37c811a48d4518fa46
SHA1

a09a1e356700fae720da86c7ebb3fa89be6c5fa9
SHA256

87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce
SHA512

18420e860dcb9be5afd087863980f7956af58ca6dbdfbef365df491e9442c3f1e9acea13d7202342c64c65825d35cb5fa67e168b29087f51a95a7956b6b3ea65
SSDEEP

98304:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXMNgvHNIekdwLBWdR:gN+Cw62Nrv0fXMNetIPwL8R

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.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
1660	1760	WerFault.exe	27

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe
1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe
1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe
1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1660	1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe	28
PID 1760 wrote to memory of 1660	1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe	28
PID 1760 wrote to memory of 1660	1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe	28
PID 1760 wrote to memory of 1660	1760	87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe	28

C:\Users\Admin\AppData\Local\Temp\87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe
"C:\Users\Admin\AppData\Local\Temp\87ac23fe84c33922cb2a809c061e884c25085516d02b9fd4f2b437b4b6cf91ce.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 460
  2⤵
  - Program crash
  PID:1660

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\112842016861\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1760-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

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