d0b9fb5f87716496f9d0e7ed67075e7d1874b44af780793f0b338d4701f479f1

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/04/2024, 00:55

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General

Target

2024-04-26_84ef118440d9027097f756f46969b3d7_cryptolocker.exe
Size

52KB
MD5

84ef118440d9027097f756f46969b3d7
SHA1

ab5bb018eb456d304144daad4f34d287f18f7050
SHA256

d0b9fb5f87716496f9d0e7ed67075e7d1874b44af780793f0b338d4701f479f1
SHA512

5487832e90711528b0f93a179ef8acc1e4aed302ccbcf5894861124f44c09f58df5de606373120638ea195706d08f793d8f92b8b4026bbb3d88df39c0f82fded
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gju:bgGYcA/53GAA6y37Q6dI+d5QGi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2476	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
112	2024-04-26_84ef118440d9027097f756f46969b3d7_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 112 wrote to memory of 2476	112	2024-04-26_84ef118440d9027097f756f46969b3d7_cryptolocker.exe	28
PID 112 wrote to memory of 2476	112	2024-04-26_84ef118440d9027097f756f46969b3d7_cryptolocker.exe	28
PID 112 wrote to memory of 2476	112	2024-04-26_84ef118440d9027097f756f46969b3d7_cryptolocker.exe	28
PID 112 wrote to memory of 2476	112	2024-04-26_84ef118440d9027097f756f46969b3d7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-26_84ef118440d9027097f756f46969b3d7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-26_84ef118440d9027097f756f46969b3d7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:112
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2476

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\hasfj.exe

Filesize
52KB

MD5
cc90b131f49ef130df9ac0eeabf55e88

SHA1
db7ac80313adc69cad679093736e2bcb066ac66e

SHA256
e9d6e8c143bb025038f6d62a53a86330f3d610f2636db08910d34cda5c84e896

SHA512
adbad749c1bd64da3bdf558b5ec7e2c7c4c804287129379f676f899febcdb8b322ddb0f431d7c312b7f9395d26e788222565c60f89e850bb0cc00c5a3f998a73

Download Submit
memory/112-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/112-2-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/112-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2476-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2476-16-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download