4b0aa385ce245b19042933149eeec8416a320f12e21fa27d302d0b23b33d42ed

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 00:42

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General

Target

2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe
Size

52KB
MD5

a689e5a227a39a73177b46290363b622
SHA1

e04efe60c849a0bdcbe1d46e931ce0ff129428bd
SHA256

4b0aa385ce245b19042933149eeec8416a320f12e21fa27d302d0b23b33d42ed
SHA512

c6fbf6bdd920c947f2b10585caad7340828029124466acfadd800c14d55c582ca5dd762918494c83841717e72cc524c8c89f77b219441c01a2ee00866c86f4c1
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO58:ZVxkGOtEvwDpjcG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1948	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	2024-03-06_a689e5a227a39a73177b46290363b622_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 2484 wrote to memory of 1948	2484	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe	28
PID 2484 wrote to memory of 1948	2484	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe	28
PID 2484 wrote to memory of 1948	2484	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe	28
PID 2484 wrote to memory of 1948	2484	2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_a689e5a227a39a73177b46290363b622_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1948

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\misid.exe

Filesize
53KB

MD5
7ab71b0db9ab5c5983e4d6ad10025429

SHA1
c0f2f6f21dd96b76d0799c5cccfdcce4503c0ffd

SHA256
6af9cacb6eee11a234363934417aba88f2c8cd88740d635b8e1bf37000767f2e

SHA512
8356e39f002ffa7966ad8cb279ba36d1d7d82001c93604d1a2c7a6eb9bd955c06678b59fa7288d25006b6c0206a7878e22e17c982e3f625c77342e7d175d2055

Download Submit
memory/1948-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1948-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2484-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2484-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2484-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download