9ec1b4479541ddd25d099ecba40870a5120dc9298b2a1f4e82a4900e8d7ea9bc

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 01:30

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General

Target

2024-03-27_2e9e7add26810894e27818efba2531a5_cryptolocker.exe
Size

37KB
MD5

2e9e7add26810894e27818efba2531a5
SHA1

471bfa4f40635c023f7cdf7648f49d053939af5c
SHA256

9ec1b4479541ddd25d099ecba40870a5120dc9298b2a1f4e82a4900e8d7ea9bc
SHA512

d8c916a18fbc401d51c00b32e74f328319eff1d1cde95a2a08bc5f7c9d6af9e7812111ca5142a2aa7041a5bf2a70314ce477b1cf81e507cbda828ac247cfc7c3
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenUj:ZzFbxmLPWQMOtEvwDpjLeG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001418d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1936	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	2024-03-27_2e9e7add26810894e27818efba2531a5_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 1968 wrote to memory of 1936	1968	2024-03-27_2e9e7add26810894e27818efba2531a5_cryptolocker.exe	28
PID 1968 wrote to memory of 1936	1968	2024-03-27_2e9e7add26810894e27818efba2531a5_cryptolocker.exe	28
PID 1968 wrote to memory of 1936	1968	2024-03-27_2e9e7add26810894e27818efba2531a5_cryptolocker.exe	28
PID 1968 wrote to memory of 1936	1968	2024-03-27_2e9e7add26810894e27818efba2531a5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_2e9e7add26810894e27818efba2531a5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_2e9e7add26810894e27818efba2531a5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1936

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\misid.exe

Filesize
37KB

MD5
a2885616b922093bfa86e537da8c21c6

SHA1
364bfcda3d8bf6bf473fcdde85609eb9c783a40c

SHA256
109eddeb939c5122df3ca36c81280854ebb977fe2c32bbbe7cfcb939aeae06c5

SHA512
5a966074ce3b9b4187f0c1053230c7ff1f0272b30154e37cd529770f8277611d92556b0d94bf24c4c2450d3f5cc25e630e18f50afd087cfcc5be4357df917a97

Download Submit
memory/1936-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1936-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1968-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1968-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/1968-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download