95cf8fe9475f3023339f9085a9919668bf909815610563f13157db8116fad751

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
03-09-2024 09:41

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General

Target

2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe
Size

56KB
MD5

03489c4793204fab2ff57d1e527f664b
SHA1

d7a7ca27910d432dfc18ef6e6d5dd5673275af5d
SHA256

95cf8fe9475f3023339f9085a9919668bf909815610563f13157db8116fad751
SHA512

c7c8adb6622ce73e43af9685e5994aaeb1414f96b78c1508a2759217a20c4c4e1ac1097732133c3e39594da6961f5bcb5eb9067c42bbb767109816e1f74cb4e7
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6Ehh:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7q

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3068	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2552	2024-09-03_03489c4793204fab2ff57d1e527f664b_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	hurok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2552	2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe
3068	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 3068	2552	2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe	30
PID 2552 wrote to memory of 3068	2552	2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe	30
PID 2552 wrote to memory of 3068	2552	2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe	30
PID 2552 wrote to memory of 3068	2552	2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-03_03489c4793204fab2ff57d1e527f664b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2552
- 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:3068

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
56KB

MD5
dd8e1121627767437471e59365881a7e

SHA1
bd0f81fdd486b98a0a6ee6e263cb1361eebfa86d

SHA256
19418bb5165313f7490f4bddd3d244e0c41a338d98d98726798632203142342e

SHA512
5d9e83d14e63d721c520f239b9c6bac83ea5daccdea732b2edfcf53a99d796ea057f199a15da6728e762b83efff69ddd64ca818b4fd8d4b5555744be4daab1d2

Download Submit
memory/2552-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2552-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2552-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3068-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download