a09f8c1d530c0b7589077616a8f1ae32fd97c2b0d2b9e7bfaf405964e4a41a01

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 23:24

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General

Target

2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe
Size

47KB
MD5

5ef70b0acb507a1c8e12256253295059
SHA1

b5ef918391b6e8b4ba6b26209c7888ca898bb213
SHA256

a09f8c1d530c0b7589077616a8f1ae32fd97c2b0d2b9e7bfaf405964e4a41a01
SHA512

f6e9590c351261012f8938ef99344115f7f5366f87b12b3daab7b68a370c8bc0c83574676a623d34192201ad5ac0a57c55204667fb4b2f21a264cb37e6e6b677
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXckdBX:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012263-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012263-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2300	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1228	2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 2300	1228	2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe	28
PID 1228 wrote to memory of 2300	1228	2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe	28
PID 1228 wrote to memory of 2300	1228	2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe	28
PID 1228 wrote to memory of 2300	1228	2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_5ef70b0acb507a1c8e12256253295059_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\asih.exe

Filesize
47KB

MD5
28e472d253511645d1d4d0ea2ed1bdaa

SHA1
f2bddc438abd6ad17e150f7a845b73ee5a7b75cf

SHA256
05aed5b404af76bf968c23eb897d647d6e1ead94f08dcc9bb98c64bf12db489c

SHA512
64a76a5b1d9f73a1e815b1e82a028a5e0eb9e3a4a3de0ac791a5357879d342e6faceaef2c7dff16805dc401ca72375325948b18cfeedca32071f6c02212a0264

Download Submit
memory/1228-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1228-1-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1228-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2300-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2300-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download