5826ba1c95b6adaf79041cabb9568d0bde8f2deecfa92a10df11b34b6bdc2785

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 04:25

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General

Target

2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_cryptolocker.exe
Size

52KB
MD5

c6ae7a21aa5b3fc191ff258548e6971f
SHA1

4fe7de1190c62215306ed91877cbb107cfe4cb11
SHA256

5826ba1c95b6adaf79041cabb9568d0bde8f2deecfa92a10df11b34b6bdc2785
SHA512

d5b801afd4ab4b58faa5ef8d92f9b2af86ff6814953d289d8ce68698eacc6d986304d507e9e2a7786573a4b4dad3ad312a636b0de898b6c96b86242c4d27ca5e
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2LL9:X6QFElP6n+gJBMOtEvwDpjBtE1yILL9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012257-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012257-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3016	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_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 2188 wrote to memory of 3016	2188	2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_cryptolocker.exe	28
PID 2188 wrote to memory of 3016	2188	2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_cryptolocker.exe	28
PID 2188 wrote to memory of 3016	2188	2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_cryptolocker.exe	28
PID 2188 wrote to memory of 3016	2188	2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_c6ae7a21aa5b3fc191ff258548e6971f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3016

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
53KB

MD5
e4bccee38a43ef337b5107e87564a320

SHA1
8bede204216e7fa3a5a1f6445851334c932a2af9

SHA256
87637632373b865f9c0b4f803b229a482481f2fca6898dae98461a1dc128f04e

SHA512
797a625557476314d78dd1511fc5b9aeb16009a55d9cd792ae0367264a6e8ebfe79b4533ec607c27af7a0191184d441fd36497b2fb7aefd6617028f2a68f35f0

Download Submit
memory/2188-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2188-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2188-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3016-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download