d4d82b82d9804958e88d9f3e412009f7c1548bff93813123226321ddd5bbd258

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 03:45

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General

Target

2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe
Size

68KB
MD5

eb45764008e84988786e04d65eaa6558
SHA1

35f1b344789fb2e44ae1b1b9d370cd89100ce719
SHA256

d4d82b82d9804958e88d9f3e412009f7c1548bff93813123226321ddd5bbd258
SHA512

161159ebf1851e61deab20ec2de3a272b30bee1ee4df491d873dc49f67ec42a6405819bd07a33d17720e1546b39a0a8b2b0b24ab0984c1e90c4628b08e9e63ed
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEA:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7Y

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2760	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2200	2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2200	2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe
2760	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2760	2200	2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe	30
PID 2200 wrote to memory of 2760	2200	2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe	30
PID 2200 wrote to memory of 2760	2200	2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe	30
PID 2200 wrote to memory of 2760	2200	2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_eb45764008e84988786e04d65eaa6558_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
68KB

MD5
e433a18f5c2b0708597cd83cb084d8a1

SHA1
d8ac8b5df8c1331fe7ead18bba59290c820e7c9a

SHA256
3967b10967585d405a220313dad33b9bb7a095d4de13093b4c2473ad8c657395

SHA512
80c9419df760f5657145bf365cda12a0e23518a18e43e3bb8ab725700da3811a8d003ce9ad6723ed89c1e349c1f641156f7bca177cfb8cdf1ea07e5947c6eeb5

Download Submit
memory/2200-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2200-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2200-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2760-23-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download