ec4f2564ce4c93ae4476c5e546be1c15f3f0e56984d46c67ecd920ed20eae652

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 22:21

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General

Target

2024-05-09_006fe831535a43c2eb50c638136dcba1_cryptolocker.exe
Size

62KB
MD5

006fe831535a43c2eb50c638136dcba1
SHA1

46f709571d1c62fb1a62f9d5befc8c12c7b15d8f
SHA256

ec4f2564ce4c93ae4476c5e546be1c15f3f0e56984d46c67ecd920ed20eae652
SHA512

e0019e9fb787b49ae70df1c78fdc8f4e0f9d2d5d31f71c5170b7dbd76d376bde47f96f47b6d12033c4292b2be5673965fbfe8f345786181c92f5665f504edf6d
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbt5QR:V6a+pOtEvwDpjvR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2836	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2440	2024-05-09_006fe831535a43c2eb50c638136dcba1_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 2440 wrote to memory of 2836	2440	2024-05-09_006fe831535a43c2eb50c638136dcba1_cryptolocker.exe	28
PID 2440 wrote to memory of 2836	2440	2024-05-09_006fe831535a43c2eb50c638136dcba1_cryptolocker.exe	28
PID 2440 wrote to memory of 2836	2440	2024-05-09_006fe831535a43c2eb50c638136dcba1_cryptolocker.exe	28
PID 2440 wrote to memory of 2836	2440	2024-05-09_006fe831535a43c2eb50c638136dcba1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_006fe831535a43c2eb50c638136dcba1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_006fe831535a43c2eb50c638136dcba1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2836

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
62KB

MD5
c5844983fee4a3f40d449a3ab8384700

SHA1
ad3c3b9cd2c63486197689fb5c5949df60122fe7

SHA256
284cc39187b5edc812250f6c47317b1e8c82e2d5ee73e58e0053239d78433859

SHA512
6b350fcdbfd01a2621c18bbd30fc28a3dceecfc924f438736744b4d8a1fd9c32632117c98ff55dd34e322cd7699a67c9351f91b3bd7ac05d42d8ca98f02c3f01

Download Submit
memory/2440-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2440-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2440-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2836-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2836-22-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download