ba720a408ba36b48bbcc0d5fd73a689379dac90aed021c0e03110f5ec65a81ea

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
27-01-2024 05:27

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General

Target

2024-01-27_782071d5fca8eaea601c9f7d93c93532_cryptolocker.exe
Size

45KB
MD5

782071d5fca8eaea601c9f7d93c93532
SHA1

dadbc6847b07749555529593c84908e4c009c6ec
SHA256

ba720a408ba36b48bbcc0d5fd73a689379dac90aed021c0e03110f5ec65a81ea
SHA512

73999135374f9eb1e555a4b48b2fc565a71852e70a01d823aa6c29b0ef64c026624127d659305e6ec6273b367748dffa65eee25286c6b5c5f9d0a94a2c1d7985
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556yPRi:X6QFElP6n+gJQMOtEvwDpjB0GIWvPRi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014abe-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014abe-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1860	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2152	2024-01-27_782071d5fca8eaea601c9f7d93c93532_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 2152 wrote to memory of 1860	2152	2024-01-27_782071d5fca8eaea601c9f7d93c93532_cryptolocker.exe	28
PID 2152 wrote to memory of 1860	2152	2024-01-27_782071d5fca8eaea601c9f7d93c93532_cryptolocker.exe	28
PID 2152 wrote to memory of 1860	2152	2024-01-27_782071d5fca8eaea601c9f7d93c93532_cryptolocker.exe	28
PID 2152 wrote to memory of 1860	2152	2024-01-27_782071d5fca8eaea601c9f7d93c93532_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_782071d5fca8eaea601c9f7d93c93532_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_782071d5fca8eaea601c9f7d93c93532_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1860

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
45KB

MD5
b5047ea7301811e83be43e4d19521530

SHA1
df4923452b2ae8fa2fcb33ca00f99faa47fbdacf

SHA256
185bad1db7c3084e02a9778f2c2f3cbe095f3a92c4bc9b89f9c323ee02f92fd5

SHA512
8a72b4ef418029628869144c72292a086f18f0efed990c4c486f4f1f1169a7cc25f478a71e846cdf87c33e1a422be4f67a3867ea99dd9633d90532526139b2e1

Download Submit
memory/1860-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1860-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2152-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2152-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2152-2-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download