5698f14ef59b3733199872f2698611b2e94c7a22946c092131c808dc0fff707c

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 23:51

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General

Target

2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_cryptolocker.exe
Size

47KB
MD5

dd6d00a02c48f0e5c1129e3e81ee976d
SHA1

c141b83d71ee7a262b7b5542669e8d8da6d7fab5
SHA256

5698f14ef59b3733199872f2698611b2e94c7a22946c092131c808dc0fff707c
SHA512

803a7488224c99a069fecb1d6fc942b1efcb24b646cf88198bff95fe8bf97f81f9c37b51bebdd0e2ac27827db9ad187d93f3327e8f1f0c56ebb955b5d6403a03
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdX6:X6QFElP6n+gJBMOtEvwDpjBtEdX6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122de-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122de-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3032	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1768	2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_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 1768 wrote to memory of 3032	1768	2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_cryptolocker.exe	28
PID 1768 wrote to memory of 3032	1768	2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_cryptolocker.exe	28
PID 1768 wrote to memory of 3032	1768	2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_cryptolocker.exe	28
PID 1768 wrote to memory of 3032	1768	2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_dd6d00a02c48f0e5c1129e3e81ee976d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3032

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
0a3c213716b2441089d6d0164e684697

SHA1
645000528ba9c405bdd4f554a43e08db9053133a

SHA256
957df8c4abb7cad6710b7b8309b35a3d8477f3dc75c0640c33c49fb318a1b512

SHA512
2ba345d1af599975b43c7d08262910f738d6106a5343373335c85c2e0603ba4d57e80fd26d10d1c0b0ea990975caeecd929cb3cc07d4233a110f2324316488d7

Download Submit
memory/1768-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1768-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1768-3-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3032-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3032-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download