8ec4b445913de4f4e72b8d686c1692735099e371359245f3fd25bb86941042e8

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 10:26

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General

Target

2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_cryptolocker.exe
Size

123KB
MD5

0d2f9c176601d5a8e1f9d60b84baa212
SHA1

f450523bd7585b6feb615d4dbc5e4749465b9b09
SHA256

8ec4b445913de4f4e72b8d686c1692735099e371359245f3fd25bb86941042e8
SHA512

4a455bab5dd6088f47328addc18f6ca2b4d0b882e300e83dafc970f0420ca28bea7b16feb8bfa5e6b2df5c7f2c96a4bcf024ed5e4e3b21677a7121c15d65fba8
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMgdVG:u6a++OtEvwDpj6zzG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122cd-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122cd-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2624	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_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 2128 wrote to memory of 2624	2128	2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_cryptolocker.exe	28
PID 2128 wrote to memory of 2624	2128	2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_cryptolocker.exe	28
PID 2128 wrote to memory of 2624	2128	2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_cryptolocker.exe	28
PID 2128 wrote to memory of 2624	2128	2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_0d2f9c176601d5a8e1f9d60b84baa212_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2624

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
123KB

MD5
17c2450158dcb97ab5307fe1682b026d

SHA1
ea21925ba469ae2c7f9dba5aca75dac8e65aee75

SHA256
e0fcd344ae94c012201eced199e22096235198b067cb2bc9c1a24b4ddd793ebf

SHA512
ea48a07107fd4bef3aa688d73b50fe321496374b3b719c2e196602db30adda5ae048d001f86aead876a50da3c5264caab82f3aa390158536aa00d3618f28ecad

Download Submit
memory/2128-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2128-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2624-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2624-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download