f5ea53e4154e0c715d90307c4b320d6f06d97da2d491fc53d57d7c1b706b509f

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
02-05-2024 03:44

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General

Target

2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_cryptolocker.exe
Size

52KB
MD5

b6ad49e2c1c1cb80ed72905cb3a74381
SHA1

3796e6a49b8a770f154714f0ca4a061933b481ad
SHA256

f5ea53e4154e0c715d90307c4b320d6f06d97da2d491fc53d57d7c1b706b509f
SHA512

f8db3d70c018130e9df90ae3d43958536f1323a3394b7fdb23ffab5a029943023d7cea51a02f8585386696611f98d276fc5d33de325985d830a2db5808ec8000
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccCGXliH:V6a+pOtEvwDpjvDG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a3f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a3f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_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 2360 wrote to memory of 3012	2360	2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_cryptolocker.exe	28
PID 2360 wrote to memory of 3012	2360	2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_cryptolocker.exe	28
PID 2360 wrote to memory of 3012	2360	2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_cryptolocker.exe	28
PID 2360 wrote to memory of 3012	2360	2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_b6ad49e2c1c1cb80ed72905cb3a74381_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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
52KB

MD5
0a03bf31fb9b8cf2a61750fc1b0dff5f

SHA1
df884fbab7f50c31e962fe7a413145be4569de4b

SHA256
3bdbf5ff1d39c207e4391ce8585d677ebc5907d2a93691e5ad3e22de47086ad5

SHA512
372404703b52055711c79b45a7a4a724baf18da51db320c54692ca888e3a448cf5574ba4f6728cc45aac5deb23363825b3661ddaae724956c6d5c4a8e163c52f

Download Submit
memory/2360-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2360-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download