33e2d091dadca5ce9c2b8e8710b3076a64c1891ce962e9fe89efe1959d7de24a

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-05-2024 08:51

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General

Target

2024-05-01_d8f908e29c5b3008bc998f175e82b75b_cryptolocker.exe
Size

61KB
MD5

d8f908e29c5b3008bc998f175e82b75b
SHA1

4216a924fa2ed8563e7785bbc433cfc66741a3e4
SHA256

33e2d091dadca5ce9c2b8e8710b3076a64c1891ce962e9fe89efe1959d7de24a
SHA512

8bd35355d1d9b422a4d45363c13b65946f7cc0fb1f59e02191df23ca5ad6b7df7883944d02a34d5355a788ee4e5e1329f7a1b1f5fbca1f455724178eb9b4fa3b
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xXcr:X6a+SOtEvwDpjBrOs

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014e3d-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014e3d-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2552	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1936	2024-05-01_d8f908e29c5b3008bc998f175e82b75b_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 1936 wrote to memory of 2552	1936	2024-05-01_d8f908e29c5b3008bc998f175e82b75b_cryptolocker.exe	28
PID 1936 wrote to memory of 2552	1936	2024-05-01_d8f908e29c5b3008bc998f175e82b75b_cryptolocker.exe	28
PID 1936 wrote to memory of 2552	1936	2024-05-01_d8f908e29c5b3008bc998f175e82b75b_cryptolocker.exe	28
PID 1936 wrote to memory of 2552	1936	2024-05-01_d8f908e29c5b3008bc998f175e82b75b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-01_d8f908e29c5b3008bc998f175e82b75b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-01_d8f908e29c5b3008bc998f175e82b75b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2552

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
61KB

MD5
e5a7950d65c985a4ca88662c19010547

SHA1
bb5ebbcc5765172eb0725f13388aa511184a90a1

SHA256
bad24f1aab659a6854c328836f9bf86a1f95168de605170c76dba29adcc4ea87

SHA512
be1e1b9f247ba44d4a718e50bb29c71c277ae360db3cfc377412774e482ce1bc40e3b6fb1adee9c68c8fccfabfe48a52e511158832454b839fcf6e49a04cb488

Download Submit
memory/1936-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1936-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1936-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2552-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2552-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download