b206eb2701c85f1524b9cf0a9a256727701515d8f35f4ca6620826064a8e6307

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 09:45

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General

Target

2024-04-15_6260640b4de412ca3bd7e1768413bea5_cryptolocker.exe
Size

60KB
MD5

6260640b4de412ca3bd7e1768413bea5
SHA1

5667fab9270bc1fb009f7f2ef92ad1ccd3c7a3e6
SHA256

b206eb2701c85f1524b9cf0a9a256727701515d8f35f4ca6620826064a8e6307
SHA512

7f40c00022afc1a81aaf3ae31eb0e34008dc9458e59decb81cc755117efc117d2bf007d0a9e80407265799b87b51b39bb8ed6f5c94280453a8f5c8b23742fea1
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbt5W:V6a+pOtEvwDpjvP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2308	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-04-15_6260640b4de412ca3bd7e1768413bea5_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 2208 wrote to memory of 2308	2208	2024-04-15_6260640b4de412ca3bd7e1768413bea5_cryptolocker.exe	28
PID 2208 wrote to memory of 2308	2208	2024-04-15_6260640b4de412ca3bd7e1768413bea5_cryptolocker.exe	28
PID 2208 wrote to memory of 2308	2208	2024-04-15_6260640b4de412ca3bd7e1768413bea5_cryptolocker.exe	28
PID 2208 wrote to memory of 2308	2208	2024-04-15_6260640b4de412ca3bd7e1768413bea5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_6260640b4de412ca3bd7e1768413bea5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_6260640b4de412ca3bd7e1768413bea5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2308

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
61KB

MD5
cd3c9a301df5cfbdc37028169565bbc7

SHA1
624a739cc11bfa297662dd03b3bbe6121a6c28fc

SHA256
881777caccffa5bbd4aa200c3683f449708424ba40098d2d0d5ae33abdc92eec

SHA512
392047a2c16e071c449ffc821766dedded56bbc9e7c7716aafe256725a887f231ea42eb7ba0c7af92258974107cdbbad698fda28240bb1f274fad2e7d5e90e6e

Download Submit
memory/2208-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2208-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2308-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download