6ba1c7eecea0b7d5351de66451523ac96d2b491810ac3d2dd4de6c18d70a6f0a

Analysis

max time kernel
94s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 07:22

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General

Target

2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_cryptolocker.exe
Size

31KB
MD5

29d0b4a6b762a85d2c88c6d8adcf9031
SHA1

2068969f50d9ab663463f6948f53dfb7aa952f2b
SHA256

6ba1c7eecea0b7d5351de66451523ac96d2b491810ac3d2dd4de6c18d70a6f0a
SHA512

2cd6b81e26a2281e7c356a3d6b3282ba7ac488117b8f5f1cd5af906d9c4467e114f72c8f1f9962031d11e31bde391f10d0d8891708746282d1b23d87102f25c0
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNfr:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XK

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1260	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	2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_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 332 wrote to memory of 1260	332	2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_cryptolocker.exe	84
PID 332 wrote to memory of 1260	332	2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_cryptolocker.exe	84
PID 332 wrote to memory of 1260	332	2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_29d0b4a6b762a85d2c88c6d8adcf9031_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:332
- 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:1260

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
31KB

MD5
49c9302dec2f7083bcf61c8681c9c7a2

SHA1
23e52272a6df03d09a22d09069ca184a94d6f20a

SHA256
f982a0eb576936c9c586ec66df7b55dee16bae00877524549209cefd65f20905

SHA512
a9d0bf67cc80d65201813d43d19b98a759a199c0ff6b8b72c287b49ca125d67b1c123edbc1447ee2097b32788a150ed5e84bd67c190b49f61637fc06c86c760d

Download Submit
memory/332-0-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/332-1-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/332-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1260-19-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download