9165e8d73ca0704efe1a9c80b817751009e8a021a7c3ee53e770709761e2f2b2

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
08-03-2024 13:03

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General

Target

2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_cryptolocker.exe
Size

122KB
MD5

0400d82d63e7474ce26b21fb2ec9d5ed
SHA1

03c3701b5340321ff17523579ffc2df954423687
SHA256

9165e8d73ca0704efe1a9c80b817751009e8a021a7c3ee53e770709761e2f2b2
SHA512

435f0c4fa708f9d0d39cda28c72598014e347c40017f8b6c3935ed96086b4e231332bf39de996a86f05300e82eaac2cf1c09d7f012d34adf44f1274c5707fa9f
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMg6:u6a++OtEvwDpj6z2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001222a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001222a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2128	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_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 2100 wrote to memory of 2128	2100	2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_cryptolocker.exe	28
PID 2100 wrote to memory of 2128	2100	2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_cryptolocker.exe	28
PID 2100 wrote to memory of 2128	2100	2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_cryptolocker.exe	28
PID 2100 wrote to memory of 2128	2100	2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_0400d82d63e7474ce26b21fb2ec9d5ed_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2128

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
122KB

MD5
d6ea18012f79962e7ad848e68418b95c

SHA1
c251da5422c71b0f2190500a51f9293bd16cd7f7

SHA256
c651d77c514e0f7aa96d49a472a7108cdb60aa3f217576ea8e8ffbe3b0077c9d

SHA512
5f52755bcd7a12cd4ba62d72f6e3b9131ad88c6650edc3c1934de21432c8f8bb0eadbeff004b7e8f229164f40125f87433cc82794fe80b5d5f0d76d5bf597bda

Download Submit
memory/2100-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2100-1-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2100-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2128-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download