f5d74133d7206debf86400980504bb6383ab7316cc0e99e48ec0748a3133bf45

Analysis

max time kernel
0s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 06:49

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General

Target

2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe
Size

63KB
MD5

e1cd0e854fba0846cb0553b5689037c0
SHA1

c119d65a32d366e6e33a9b342290b9361ad1963e
SHA256

f5d74133d7206debf86400980504bb6383ab7316cc0e99e48ec0748a3133bf45
SHA512

37ab4c6a6cb15899527a6ed7e32e251b2d044045976f78864521acb4130af982ac38b0b9012eed0762cf7995f3f8794316a6f142c7d0d36a146ca836e4ad9dd2
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDScy:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7S

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1228	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2128	2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe
1228	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1228	2128	2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe	14
PID 2128 wrote to memory of 1228	2128	2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe	14
PID 2128 wrote to memory of 1228	2128	2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe	14
PID 2128 wrote to memory of 1228	2128	2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe	14

C:\Users\Admin\AppData\Local\Temp\hurok.exe
"C:\Users\Admin\AppData\Local\Temp\hurok.exe"
1⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:1228

C:\Users\Admin\AppData\Local\Temp\2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_e1cd0e854fba0846cb0553b5689037c0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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

C:\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
7KB

MD5
b879d57e3c871293eddc476920188c2e

SHA1
6c239cf67b5a507317909e88672c1a003c4d419a

SHA256
da0dea75986c420a231749b0ef2e8b259c4b20a91f68a95af9b4cd3d4884d69d

SHA512
d0435f9072c83d3518c8e14544318b86461dc53132db06073ce56a9b95ca2afd2d43231657bfce909f6d821ba5d9d7779bb3291eed681c2eb0fe105bfc22ba51

Download Submit
C:\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
1KB

MD5
829984de45aafe680eb9766631bdaf7d

SHA1
41b0c2f8b517d1c2b517ba5cc4299ba7d35b2e14

SHA256
6a9eb28d7c8d2d0ff883db4d99afc8a0c3460aeab5e5c47018961fe61298af45

SHA512
1564f1740ad67245509771f56ba1d8fdc6e49fa63e99403a9cc5fac9dbc0c96c21cf5f9a2afcbd146d9242b03d24b2b32f09790bd2f469a5f8d89a7d20fdc4be

Download Submit
\Users\Admin\AppData\Local\Temp\hurok.exe

Filesize
13KB

MD5
58f4e847b7c530999f5cb77c493f3353

SHA1
37bc038668be6b2d28e0502ffe54807f8b132930

SHA256
fa1607f328635b9d2d9f6e5f8cea4cae8e7c5345ed3d8640ea19b17f72a7280b

SHA512
267c005659dfe40a0009a23b088f65fedd5346491fc89b5ca6e3be9db7a736bd0c96d6d9d491d59334a0b9ca59893787f918c3e4789d0871beb53af182efd630

Download Submit
memory/1228-23-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2128-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2128-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download