c75972974d65e03467e17f5e12bead89d46fc325977ec477c7a7fc7e713f20d9

Analysis

max time kernel
133s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 05:49

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General

Target

2024-08-22_3eba4944b00c17acd68c200040ea5054_cryptolocker.exe
Size

69KB
MD5

3eba4944b00c17acd68c200040ea5054
SHA1

bea2689fda2037a701db714afd25b624c20d2f91
SHA256

c75972974d65e03467e17f5e12bead89d46fc325977ec477c7a7fc7e713f20d9
SHA512

ad03066b082245b6d3e9aebcbfc62056d3a88a6dcd104087d3358c416271bbea95e0c01c35e841688faedda38b4b89a5e92b4380a16c5b94f0d767010856bbce
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF299N2Uj:aq7tdgI2MyzNORQtOflIwoHNV2XBFV73

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-08-22_3eba4944b00c17acd68c200040ea5054_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3736	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	2024-08-22_3eba4944b00c17acd68c200040ea5054_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 1320 wrote to memory of 3736	1320	2024-08-22_3eba4944b00c17acd68c200040ea5054_cryptolocker.exe	84
PID 1320 wrote to memory of 3736	1320	2024-08-22_3eba4944b00c17acd68c200040ea5054_cryptolocker.exe	84
PID 1320 wrote to memory of 3736	1320	2024-08-22_3eba4944b00c17acd68c200040ea5054_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-22_3eba4944b00c17acd68c200040ea5054_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-22_3eba4944b00c17acd68c200040ea5054_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1320
- 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:3736

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
741e863c2fbf93fa6055c8128582c7be

SHA1
198f915f3c63e970a0b0d0a7982f28de23b37f70

SHA256
10ec828266604c9e68c6c8639fffd13d1de58f80f47166d250d42333c3f82139

SHA512
df8f312915aded24a8b8e941ded3a87d73106ad0ab5900955841d012e9a008b66a5d8ebcdf10eae338c7ee9f81d3f656299017309b715dd4829cc420f6c3d093

Download Submit
memory/1320-0-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1320-1-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1320-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3736-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download