812ee5f63052d86a8300080a0f376215c1c45eebfee921063b64abf454b89bb6

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/04/2024, 21:49

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General

Target

2024-04-25_acde350c6ce4357bb89df696f54ef126_cryptolocker.exe
Size

40KB
MD5

acde350c6ce4357bb89df696f54ef126
SHA1

875784d4c388eb4e36e73a4d0f0d33f74a3edcd9
SHA256

812ee5f63052d86a8300080a0f376215c1c45eebfee921063b64abf454b89bb6
SHA512

d272e3dc9668befbf1f2eca2e1476f4ae1d1cf75b6a584e4dcf9f4e7429ed56e17478193731748b81bddc4a157b6d68cb5d45cfab441f9dc44e0f830a2875aef
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyE9xgywg:bIDOw9a0Dwo3P1ojvUSD79yywg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001313f-21.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2112	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2740	2024-04-25_acde350c6ce4357bb89df696f54ef126_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 2740 wrote to memory of 2112	2740	2024-04-25_acde350c6ce4357bb89df696f54ef126_cryptolocker.exe	28
PID 2740 wrote to memory of 2112	2740	2024-04-25_acde350c6ce4357bb89df696f54ef126_cryptolocker.exe	28
PID 2740 wrote to memory of 2112	2740	2024-04-25_acde350c6ce4357bb89df696f54ef126_cryptolocker.exe	28
PID 2740 wrote to memory of 2112	2740	2024-04-25_acde350c6ce4357bb89df696f54ef126_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-25_acde350c6ce4357bb89df696f54ef126_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_acde350c6ce4357bb89df696f54ef126_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2112

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\lossy.exe

Filesize
41KB

MD5
66411eee3a3b6d11b7960def10848b52

SHA1
e2528208017b3e4f2f31d0b65be0426a83d4335b

SHA256
d0cf43f8ef49e1ce25aa98decea9ab88e01a534c942b7faa98158da05c0c9c04

SHA512
301b2b357de38dc5ff0e21f65165c744055a31aeff094645f998c15ce6df1533de8fd279086be9c5451bda082bd7fd9bb6d2ea7fe8919b0f84edc9c849b003dc

Download Submit
memory/2112-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2112-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2740-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2740-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2740-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download