1f462f03bc0ed4133cdf14e938465eee31e9d9fd7ed080372320b99ac7b78d96

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 03:33

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General

Target

2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe
Size

39KB
MD5

9f95679aac4eccfcb1fcaae8a43f5c85
SHA1

e7a60a58b8e6b603dd9e6460f58f1635b01b5159
SHA256

1f462f03bc0ed4133cdf14e938465eee31e9d9fd7ed080372320b99ac7b78d96
SHA512

5bf16c049d3d5bc4eb9ae7fed7073a79c424de33790a62e3b135a3479816be6d70e564f3c2851871716c3ec17220d01c3c43d06647002ddf33682d4b7e135988
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGp/YIm7wm0UpaQ:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xs

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2332	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2112	2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_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	2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2112	2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe
2332	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2332	2112	2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe	30
PID 2112 wrote to memory of 2332	2112	2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe	30
PID 2112 wrote to memory of 2332	2112	2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe	30
PID 2112 wrote to memory of 2332	2112	2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_9f95679aac4eccfcb1fcaae8a43f5c85_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2112
- 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:2332

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
39KB

MD5
0e788e130e3c9e3a3b75769a7a3a5194

SHA1
d2f28a948d057b48896d0880ce2cf7c7821506c9

SHA256
64dd346d71f649758f3844fae842ec120f24aab7b054897e70a92ffe5dc7a07b

SHA512
f92c864e80323879f4019213e05c28407ef96d97df4f45f211e6c7679791459aef05ac380266d760ec0886750bb6b0317c3b02af2ebf8d13ffe4c5123a601ec9

Download Submit
memory/2112-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2112-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2112-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download