f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 07:34

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General

Target

f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe
Size

706KB
MD5

b9bf5d75f2ca995c1c791c7cb6a8ce37
SHA1

7982901458500d835575361679a26b5f6af8c6f9
SHA256

f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1
SHA512

482aae47ad2c6db6eb4c8fe6924f5cce6409654899b1ae7d9d67ac4656ca0b211fa9c8463bd0d02fe4563837802c476f62c2155eb392f71da093381daf1b75b4
SSDEEP

12288:ObzpYNtMWKyJ/hpq4BVO7akKrnoyfHT8ANEY5:OpY6Sppq4BgOrnHr8D6

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.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
884	1284	WerFault.exe	26

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe
1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe
1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe
1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 884	1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe	27
PID 1284 wrote to memory of 884	1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe	27
PID 1284 wrote to memory of 884	1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe	27
PID 1284 wrote to memory of 884	1284	f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe	27

C:\Users\Admin\AppData\Local\Temp\f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe
"C:\Users\Admin\AppData\Local\Temp\f848cf477d30a0ef1999f4871e416f16e9512f37c6f37381349e2aaeb842c1b1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 464
  2⤵
  - Program crash
  PID:884

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\11283657825\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1284-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download