195f5da31e631ff99325d7eb10f095c801c5a25940ae72f316263eee081ffc58

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
01-06-2024 12:37

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General

Target

2024-06-01_c144122d0fd0e025c98cbb02a2b70522_cryptolocker.exe
Size

87KB
MD5

c144122d0fd0e025c98cbb02a2b70522
SHA1

14b5468e6930daafe309b890740d548814b73b87
SHA256

195f5da31e631ff99325d7eb10f095c801c5a25940ae72f316263eee081ffc58
SHA512

b4d5a15ce7a68206f807d060d39e9a944d988d7eafb3bfa7a1cf4437d42fe1670ce0529f8056881206af0e6834a1ac077d2c3c2934607406a0f60fe70b19caae
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6aJ:V6a+pOtEvwDpjvp9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015d79-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015d79-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2480	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2008	2024-06-01_c144122d0fd0e025c98cbb02a2b70522_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 2008 wrote to memory of 2480	2008	2024-06-01_c144122d0fd0e025c98cbb02a2b70522_cryptolocker.exe	28
PID 2008 wrote to memory of 2480	2008	2024-06-01_c144122d0fd0e025c98cbb02a2b70522_cryptolocker.exe	28
PID 2008 wrote to memory of 2480	2008	2024-06-01_c144122d0fd0e025c98cbb02a2b70522_cryptolocker.exe	28
PID 2008 wrote to memory of 2480	2008	2024-06-01_c144122d0fd0e025c98cbb02a2b70522_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-01_c144122d0fd0e025c98cbb02a2b70522_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_c144122d0fd0e025c98cbb02a2b70522_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2480

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
87KB

MD5
915b56da9d105bc2aebff6a2124d6146

SHA1
07f7bbe254d4208759ad6bce72f1f3a76d6b459b

SHA256
5a7870047317371ebfbb2568a74d033b5fbe52c9974e12a26efcb68b48eee384

SHA512
06d98b7500d151a43caeaeb9ee28c09f8823b0aa6e51b27eb4c1b9314dd4a1d44dd0848d2d38471990902ca6d3663705dcad80b27a33ff3f26ae2e7a6c04a24c

Download Submit
memory/2008-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2008-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2008-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2480-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2480-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download