5c9fa3c66b81a5cec4ed39235eb36eeb87a35c367edcc357a2f8d2d5b5a15438

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
29/05/2024, 16:34

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General

Target

2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_cryptolocker.exe
Size

73KB
MD5

6d330acbe50ceeab23f5907c80b3eccb
SHA1

a442b2e0bd117c1c3e88c8bba93ae7af813394c3
SHA256

5c9fa3c66b81a5cec4ed39235eb36eeb87a35c367edcc357a2f8d2d5b5a15438
SHA512

5cde5056ba1ba5d290d31b00373a7f411574371371723a84146e7c3f6b448f6104e89552c0959d9bee6c728fa3ef7a05b4ac6239004f3d5457990d488a16adcc
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsE:u6QFElP6n+gWMOtEvwDpjJGYQbE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000122b8-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000122b8-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1720	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1800	2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_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 1800 wrote to memory of 1720	1800	2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_cryptolocker.exe	28
PID 1800 wrote to memory of 1720	1800	2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_cryptolocker.exe	28
PID 1800 wrote to memory of 1720	1800	2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_cryptolocker.exe	28
PID 1800 wrote to memory of 1720	1800	2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-29_6d330acbe50ceeab23f5907c80b3eccb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1720

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
74KB

MD5
dc4fdf21abf803bc54d3e46e18d2c949

SHA1
a0f131b77b7425743ca9f02d348f63a2452e182a

SHA256
ab894dfbb05799b51aaad0eab23d97d88c4e698e528c57925fe07e93b094841e

SHA512
973a6b5f30bd3baed6a98a9cc5792f065f35612cfda364b18d1157cd15da6c892ff26da5a6aafe84ed506b866216c3b65b51c5bf52cfbceac7feded729c09af4

Download Submit
memory/1720-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1720-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1800-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1800-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1800-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download