53ae2c52206d5abd922bb9528594f8d13eb9042701974cd18d38d1fec5532869

Analysis

max time kernel
92s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 03:42

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General

Target

2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_cryptolocker.exe
Size

68KB
MD5

b8edcddcdfc1257aa611abe2deb054ce
SHA1

89e084f7d8e2c5c87d0012f00e0bd4217b12e644
SHA256

53ae2c52206d5abd922bb9528594f8d13eb9042701974cd18d38d1fec5532869
SHA512

1e6c59853c8d8253ebdf71f0a5aa9da5d33908a933f5a75e78ae7f4a5f8758acf103ca8c007cbff3b578b7d75478093e22ee795b2df6475fa42c1ce874af9c4d
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLES:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7q

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2332	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	2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_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 4700 wrote to memory of 2332	4700	2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_cryptolocker.exe	84
PID 4700 wrote to memory of 2332	4700	2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_cryptolocker.exe	84
PID 4700 wrote to memory of 2332	4700	2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_b8edcddcdfc1257aa611abe2deb054ce_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700
- 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:2332

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
68KB

MD5
7346585a1e0b880068bc6b6009d92cd6

SHA1
ec1dfed089f6a67531473cbf6b4b533ba572cf90

SHA256
c17818cb0b4432c8410c01e3e022947f4bf6e70c3a19933eb285778c60a715be

SHA512
d835ef43ee0b4936799e2c0afc75ce82eec60b00eea5b2dc77f4db7c8d35b17a145b30d84480be13b6a14d459eae0fe643b0004060d0f093509bc65f3cb6ae63

Download Submit
memory/4700-0-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4700-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4700-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download