559e120a52f1b9caf98919957f6e485d2a0f26b69aa18f8e9460daf9493e3643

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/09/2024, 00:24

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General

Target

2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe
Size

29KB
MD5

084438787624081a5b803aea8fa2b82e
SHA1

60c37eb4165b3cbd330b9fd6ffe0ef2a78a60612
SHA256

559e120a52f1b9caf98919957f6e485d2a0f26b69aa18f8e9460daf9493e3643
SHA512

a958706919208ca8ca13784d5818dfe51a3cc01ab426867174767b243dd0938b4bd8c90c50694996814adc47fd115c912c02b8ec3081bc06d91ea49f015c4d41
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpNEmK/M:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XB

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2940	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2096	2024-09-30_084438787624081a5b803aea8fa2b82e_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	2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2096	2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe
2940	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2940	2096	2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe	30
PID 2096 wrote to memory of 2940	2096	2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe	30
PID 2096 wrote to memory of 2940	2096	2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe	30
PID 2096 wrote to memory of 2940	2096	2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_084438787624081a5b803aea8fa2b82e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2096
- 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:2940

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

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Downloads

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

Filesize
29KB

MD5
c55960405c0e760df165cfdbbb7b9270

SHA1
9f47c9b0e5712fdac02969094b6ee966fc4bdb30

SHA256
0439d69d7ce20e81032d381ccc877632d9f2246113a2624fd1a4b9710cc77261

SHA512
2ad9ae1ed70f71eb4df8c8149deea4b74b9999f83bcdeaf3df3c1fed892a5d0316d6f30f018aa23dd52dcae1de36f3461b575f07c430d52485e2e226fd0eec22

Download Submit
memory/2096-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2096-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2096-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2940-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download