7165f331f20f22b8e8e3e4faa2ccb7ac89eef45e353dd06e8b8cb454fe7b84f9

Analysis

max time kernel
0s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 12:12

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General

Target

2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_cryptolocker.exe
Size

60KB
MD5

7bdeb694cb572535fd0456e6ce2af6b4
SHA1

394f987fd71a858131fd73cbdacdc115f51fcb49
SHA256

7165f331f20f22b8e8e3e4faa2ccb7ac89eef45e353dd06e8b8cb454fe7b84f9
SHA512

06bdbd5038de33afef2b6a63989198f00d76d0a7a7c790e543133a4347cdff939b76ba6a8a4ed15ac30553a9e57721d135b0004aec038e428fbcafb998486a79
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDSX:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2196	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1644	2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_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
1644	2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_cryptolocker.exe
2196	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2196	1644	2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_cryptolocker.exe	14
PID 1644 wrote to memory of 2196	1644	2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_cryptolocker.exe	14
PID 1644 wrote to memory of 2196	1644	2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_cryptolocker.exe	14
PID 1644 wrote to memory of 2196	1644	2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_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:2196

C:\Users\Admin\AppData\Local\Temp\2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_7bdeb694cb572535fd0456e6ce2af6b4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1644

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

memory/1644-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1644-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1644-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2196-17-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download