3c07283e8d6141eefda2255d0a7b77f45b167e5af4b935bf6a9887b42bbb5512

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:42

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General

Target

2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe
Size

49KB
MD5

ff807ac80356d2d8dedc39d1be70d3e1
SHA1

46e1506428eb69854a18e6e591dc65514b1e1f40
SHA256

3c07283e8d6141eefda2255d0a7b77f45b167e5af4b935bf6a9887b42bbb5512
SHA512

08048fdff58a0e02342a822e2b2695d3e6eb54e9571e874ff8d1e8c150e653db4a5528a130f04291942b683cae97aa0a6d9a965d3bed6260ddfef967623824e2
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXpQenhu2:V6QFElP6n+gMQMOtEvwDpjeJQ7pojkR2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2928 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe

pid process

3060 2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2928	asih.exe

pid	process
3060	2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe

description	pid	process	target process
PID 3060 wrote to memory of 2928	3060	2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe	asih.exe
PID 3060 wrote to memory of 2928	3060	2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe	asih.exe
PID 3060 wrote to memory of 2928	3060	2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe	asih.exe
PID 3060 wrote to memory of 2928	3060	2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2928

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
50KB

MD5
ed9e99557f3c1338b06c7840396c9489

SHA1
72b3529ec5d7f1266225bd393466d35665c10467

SHA256
e627caaf8acffcc1b6b200a2f47af86a58d71e064a79e3affc92a02c73df09a5

SHA512
e2702c2f9a79ee0ca8c1db6adb9826bef68e51a514bb586886211653b9ee5ca3f2be4741a24a6bdf30c84b41be32d4cc407e64465f21134434a92c275e13adec

Download Submit
memory/2928-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2928-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3060-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3060-8-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3060-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download