d4757a830e10446cf78d8ae5431cedfa55d507fa3f739fe124d5f66a801750ba

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 05:24

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General

Target

2024-11-20_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe
Size

69KB
MD5

5bdf260c4c018c669c8711541d284a3b
SHA1

40362c2539bd6f2b29462d1b3469895403f3e21a
SHA256

d4757a830e10446cf78d8ae5431cedfa55d507fa3f739fe124d5f66a801750ba
SHA512

6c3147de5195ab96eec8b4a5c7a67d68cd900e4f3e00ae0668092c8749ccb3aa1675561ad0f126309da77b1e78847220c2681311f8f802694d97f7fd598c1b06
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLE3:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7P

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-11-20_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
672	hurok.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_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 672	984	2024-11-20_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe	84
PID 984 wrote to memory of 672	984	2024-11-20_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe	84
PID 984 wrote to memory of 672	984	2024-11-20_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-20_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_5bdf260c4c018c669c8711541d284a3b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:984
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

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

Filesize
69KB

MD5
244c92256eda170914956db487bc5ffb

SHA1
2d12a04c4b931faf95ecea7a9553ab11f6ec2250

SHA256
a2bce7fc088f2a85bad1ead774b5f7c2166f528b81f69bcdfad1ea2633ededd6

SHA512
88803ab89b2586f4de3e7db907318018f44f26d94a0688fc817ef1b9ac3d75314fdfaf01face8c993949fe0f4bc19f1f28650cc813f817a1e1fb5f1a204a5ccd

Download Submit
memory/672-25-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/984-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/984-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/984-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download