01274ce7654de12b6ed201f99ccd13f470fb6327712158a8e558513991f2fee0

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 18:42

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General

Target

2024-01-23_e06b4a993f3e6adda839ade0337b2c71_cryptolocker.exe
Size

46KB
MD5

e06b4a993f3e6adda839ade0337b2c71
SHA1

da812e1f5de078206479f76917d2d1fdc98d4bff
SHA256

01274ce7654de12b6ed201f99ccd13f470fb6327712158a8e558513991f2fee0
SHA512

1f93650a3920249c812c5f513d8a42230497fa39f6ccb542c5ad5507440ece9cd616b494cd767c4722cae64b453a1334cf1f486d57653d2ed1053b6332a2d4ef
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedmhXSS/hJI:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+x

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2108-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000012243-11.dat	CryptoLocker_rule2
behavioral1/memory/2108-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2752-18-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2108-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b000000012243-11.dat	CryptoLocker_set1
behavioral1/memory/2108-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2752-18-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2752	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-01-23_e06b4a993f3e6adda839ade0337b2c71_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 2108 wrote to memory of 2752	2108	2024-01-23_e06b4a993f3e6adda839ade0337b2c71_cryptolocker.exe	28
PID 2108 wrote to memory of 2752	2108	2024-01-23_e06b4a993f3e6adda839ade0337b2c71_cryptolocker.exe	28
PID 2108 wrote to memory of 2752	2108	2024-01-23_e06b4a993f3e6adda839ade0337b2c71_cryptolocker.exe	28
PID 2108 wrote to memory of 2752	2108	2024-01-23_e06b4a993f3e6adda839ade0337b2c71_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_e06b4a993f3e6adda839ade0337b2c71_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_e06b4a993f3e6adda839ade0337b2c71_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2752

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
46KB

MD5
1fe38f3a4198baea0103d34d08d6c391

SHA1
6d059f972029d07c5b5a3d0305ddcb335ef67b69

SHA256
13c84db1949be85c41e672459b6b74c65349dce29bc35e5a85d4f636af82bdf0

SHA512
0d2d619aea1969091bbb77f59af84665fe5e2803c1f41e026e8f2094781aebd2e0ac354033885a2a5a2f81c15fca17f53c23df70421b25110ee1876333c7147d

Download Submit
memory/2108-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2108-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2108-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2108-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2108-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2108-16-0x0000000000680000-0x000000000068B000-memory.dmp

Filesize
44KB

Download
memory/2752-19-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2752-20-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2752-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download