8f94e13a54a784f75be7179b9d7df5a3bef729ff013b5cf5ae1991b7d38bff34

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 00:45

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General

Target

2024-03-13_ecc9cd40449112de282e03024ef895e1_cryptolocker.exe
Size

38KB
MD5

ecc9cd40449112de282e03024ef895e1
SHA1

5c5c224b635cc429400a67fd1654dd5e69b42c1c
SHA256

8f94e13a54a784f75be7179b9d7df5a3bef729ff013b5cf5ae1991b7d38bff34
SHA512

cf66d45dd40f7b5172dfd4462ffcb97169e020438fa86918ee992ad41fb015bbba61c231b19c769528acd8a025dd245c32b63c5a8c1046c0b370140864318089
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axZ04:V6QFElP6n+gMQMOtEvwDpjyaYa/04

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012326-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012326-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2968	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2260	2024-03-13_ecc9cd40449112de282e03024ef895e1_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 2260 wrote to memory of 2968	2260	2024-03-13_ecc9cd40449112de282e03024ef895e1_cryptolocker.exe	28
PID 2260 wrote to memory of 2968	2260	2024-03-13_ecc9cd40449112de282e03024ef895e1_cryptolocker.exe	28
PID 2260 wrote to memory of 2968	2260	2024-03-13_ecc9cd40449112de282e03024ef895e1_cryptolocker.exe	28
PID 2260 wrote to memory of 2968	2260	2024-03-13_ecc9cd40449112de282e03024ef895e1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_ecc9cd40449112de282e03024ef895e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_ecc9cd40449112de282e03024ef895e1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2968

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
38KB

MD5
dbcdce759248deda2904e2248039eeef

SHA1
7d25c315a93aa13a61eee345369380aa0518e7a1

SHA256
1e139ade8931b314436393438257dc530079850881a1189395658749fef6dd25

SHA512
9b5bc586ac40eb05bdccc789ab7d57df8f7bea6614531315aa0864970330db0060fdc81ab76dc87f90916252af467803868ab7ceb4e79d20b5bb1842ef996cfc

Download Submit
memory/2260-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2260-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2260-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2968-15-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2968-18-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download