f36da05cbfe4b17d97ed63b5a716a691e3b086af8323026dfbd976e3512b6e00

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
02/05/2024, 15:28

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General

Target

2024-05-02_cd5690044c2c0eff0d0073cdf751e282_cryptolocker.exe
Size

85KB
MD5

cd5690044c2c0eff0d0073cdf751e282
SHA1

de20c35dc718ca630e27f396738fbb652921d166
SHA256

f36da05cbfe4b17d97ed63b5a716a691e3b086af8323026dfbd976e3512b6e00
SHA512

8c7b2e9d212173b2d07fe369c25beda4b8928353537d68b216f8d075eeccf416608e99c18d4b88630130faa7ea4238560100f2b141a430a86c3e16035131fbdd
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPnY4:V6QFElP6n+gMQMOtEvwDpjyaLccVNl64

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014e5a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014e5a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2000	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-05-02_cd5690044c2c0eff0d0073cdf751e282_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 2192 wrote to memory of 2000	2192	2024-05-02_cd5690044c2c0eff0d0073cdf751e282_cryptolocker.exe	28
PID 2192 wrote to memory of 2000	2192	2024-05-02_cd5690044c2c0eff0d0073cdf751e282_cryptolocker.exe	28
PID 2192 wrote to memory of 2000	2192	2024-05-02_cd5690044c2c0eff0d0073cdf751e282_cryptolocker.exe	28
PID 2192 wrote to memory of 2000	2192	2024-05-02_cd5690044c2c0eff0d0073cdf751e282_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-02_cd5690044c2c0eff0d0073cdf751e282_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_cd5690044c2c0eff0d0073cdf751e282_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2000

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
85KB

MD5
9ec62a2767e35067c32f9d4ad435dd01

SHA1
c58c3fd810fd2e562d7e7ba193834424acc2d443

SHA256
147e4b3785be20ae47c1388e8f1b4751a1139663176e0787279d484bd4d6406f

SHA512
28fa38925248955ff06c6f253e77ba5d646c391d9a65689c11194181b1ee8e72bc2bc65d6ae772a3b12a0575cda7c3728b2a5fc391b10039459ceeb8062610b5

Download Submit
memory/2000-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2000-22-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2192-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2192-7-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download