06746402e9cc62de0672f85616bd319d07fda9a412aa5895fb9c0387c438cdb2

Analysis

max time kernel
148s
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
21-11-2024 07:39

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General

Target

2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe
Size

44KB
MD5

a6c4739ddcb8d90919f4980bd0a3cd32
SHA1

2ce128a8ec4713bb2f7eea5a4c8f7aa965091c9e
SHA256

06746402e9cc62de0672f85616bd319d07fda9a412aa5895fb9c0387c438cdb2
SHA512

be48a5334abaab84e5413a37dc3e12a4dc0ae440a143d414961317f479e4d5d04da7f904cff54d7ad3f3154386e99caf43efdde1e93c6d456c5446423909e2e8
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TW3:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkL2

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

4560 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4560	asih.exe

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

Processes:

2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe

description	pid	process	target process
PID 1104 wrote to memory of 4560	1104	2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe	asih.exe
PID 1104 wrote to memory of 4560	1104	2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe	asih.exe
PID 1104 wrote to memory of 4560	1104	2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_a6c4739ddcb8d90919f4980bd0a3cd32_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4560

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\asih.exe

Filesize
44KB

MD5
7f727bbaadad67380c7d891b123b5af4

SHA1
520ac8bcf6ebad193d8179840022733e25c0633e

SHA256
3a7b0781f472807e73ed19e0f0ef9545d1a632b0cd43daa5e43d4652541d7e1d

SHA512
4607fa72500e0d4d2f31f01e5f33801b3d2f2d4424aeb6669e79fae83692e56c179d8f9beda156ef748418e0a6b06940fc53e0f9f069c38ae68ffa80fdf6ef56

Download Submit
memory/1104-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1104-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/1104-3-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1104-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/1104-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4560-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4560-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4560-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download