7bbe95364f9e0cde34aa43a22f8bd74983bda83c58dd375c974fe43b7eb9ed4d

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/06/2024, 07:37

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General

Target

2024-06-03_7cd36f03d5d6243541629bc6d70a179a_cryptolocker.exe
Size

46KB
MD5

7cd36f03d5d6243541629bc6d70a179a
SHA1

2b5df527a75e885eaef46f1a0efa2fc3da228037
SHA256

7bbe95364f9e0cde34aa43a22f8bd74983bda83c58dd375c974fe43b7eb9ed4d
SHA512

3ab5ccc04f9f85b935db8983189a858609bfafc41227242c153b5b7d1d648d56718764dd3d900e8d92984b387ee04e7322edb96f2a1b3322eabf5764e6bb2ece
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsi7:V6QFElP6n+gMQMOtEvwDpjyaYaFAh397

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122d1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122d1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2252	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2696	2024-06-03_7cd36f03d5d6243541629bc6d70a179a_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 2696 wrote to memory of 2252	2696	2024-06-03_7cd36f03d5d6243541629bc6d70a179a_cryptolocker.exe	28
PID 2696 wrote to memory of 2252	2696	2024-06-03_7cd36f03d5d6243541629bc6d70a179a_cryptolocker.exe	28
PID 2696 wrote to memory of 2252	2696	2024-06-03_7cd36f03d5d6243541629bc6d70a179a_cryptolocker.exe	28
PID 2696 wrote to memory of 2252	2696	2024-06-03_7cd36f03d5d6243541629bc6d70a179a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-03_7cd36f03d5d6243541629bc6d70a179a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_7cd36f03d5d6243541629bc6d70a179a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2252

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
47KB

MD5
38fd2b9ac207ecc9699dc49c1306abdf

SHA1
e1506b4a0838122e54e90ad5c94b32e05b040e0a

SHA256
b43ebf788a89eacc20016d6a289e528fbc3b7bd0813fb73d99942676b22989e7

SHA512
e0467eaf158b0698489eba5fa8b9c68453a7b332d8476a823f52952db0df0304d110da50c9ed957e609e20c4ab1408974d0e727e3d0033bab7012d9bf71abae0

Download Submit
memory/2252-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2252-22-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2696-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2696-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2696-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download