ee813987cacb6609bf262691a44a150169a6ab03b737df8719b6e13b0e07bb9a

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 00:43

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General

Target

2024-01-26_d1feb76d41eebe592ad8f0e992667aca_cryptolocker.exe
Size

42KB
MD5

d1feb76d41eebe592ad8f0e992667aca
SHA1

9c4fa13d85754d8281d865856a0a3617c7ea86b0
SHA256

ee813987cacb6609bf262691a44a150169a6ab03b737df8719b6e13b0e07bb9a
SHA512

b31052bf2d92ecc62c829b998e937ac629477e22b31d15a19695be599bf5ea9b8dfd6b8ef68af1089b24222e4c7347c9d1370920c63fec6bc775939f48f10ab0
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqR:bxNrC7kYo1Fxf3s05rwxbFQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012261-21.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1608	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
3000	2024-01-26_d1feb76d41eebe592ad8f0e992667aca_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 3000 wrote to memory of 1608	3000	2024-01-26_d1feb76d41eebe592ad8f0e992667aca_cryptolocker.exe	1
PID 3000 wrote to memory of 1608	3000	2024-01-26_d1feb76d41eebe592ad8f0e992667aca_cryptolocker.exe	1
PID 3000 wrote to memory of 1608	3000	2024-01-26_d1feb76d41eebe592ad8f0e992667aca_cryptolocker.exe	1
PID 3000 wrote to memory of 1608	3000	2024-01-26_d1feb76d41eebe592ad8f0e992667aca_cryptolocker.exe	1

C:\Users\Admin\AppData\Local\Temp\pissa.exe
"C:\Users\Admin\AppData\Local\Temp\pissa.exe"
1⤵
- Executes dropped EXE
PID:1608

C:\Users\Admin\AppData\Local\Temp\2024-01-26_d1feb76d41eebe592ad8f0e992667aca_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-26_d1feb76d41eebe592ad8f0e992667aca_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000

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

C:\Users\Admin\AppData\Local\Temp\pissa.exe

Filesize
42KB

MD5
040cdf258c3de5ae32c7783190c3c989

SHA1
0c6d7347e5b030481ea5a9a6f5b4634a0d28a924

SHA256
a8b6ed32954da5bf3f75b1e36c858fca00c1453ace0522bc604dfdf089ecfe72

SHA512
1aac27a4d5171423bd164203d710ab8a050faa062b6f02431a372120847fe700b86078c9390675da72a274c263138d560928a67bba8686bfdb4f25a6a863269a

Download Submit
memory/1608-22-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/1608-15-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3000-5-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3000-1-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3000-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download