7c4b8b56e2809d10b59328dc520ca50ac7174947fcd165a13e6666aa30522f49

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 23:34

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General

Target

2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_cryptolocker.exe
Size

60KB
MD5

ccd87a2f486fe9caa984e275b71f5ab9
SHA1

efd26aeb9ee953df30fa8edb87fec6910e07b08d
SHA256

7c4b8b56e2809d10b59328dc520ca50ac7174947fcd165a13e6666aa30522f49
SHA512

690882aa4327d34f623d64040522a8bac1889392e93fd6c45531f3b2c3eb60fd88b8af8386536a300c9103124ea7b34f0def4ff3e1eeeb53c9aa2eea8f5c9cd8
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbt52:V6a+pOtEvwDpjvn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014825-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014825-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2516	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_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 3048 wrote to memory of 2516	3048	2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_cryptolocker.exe	28
PID 3048 wrote to memory of 2516	3048	2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_cryptolocker.exe	28
PID 3048 wrote to memory of 2516	3048	2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_cryptolocker.exe	28
PID 3048 wrote to memory of 2516	3048	2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_ccd87a2f486fe9caa984e275b71f5ab9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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
59b28ec00447f1b2132f82df1f4ff8e3

SHA1
290e7caa0ed31be91b38ba896c39c6fff10d2666

SHA256
b8907b210bb263d4f50720923aa1dd7f0a954c2b9f0ee46e0071379d961cf91e

SHA512
b039f4e91742472a3af72e580395a32a58454a8e03767b437fc352e42612d266908476bd27b052e51440790a0063f0fd4f37bd1fa70f329aeca702610d205e06

Download Submit
memory/2516-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2516-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3048-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3048-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3048-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download