533b877885532ba3acd3f31cfa5a0bbc1478962faf4fdf96b6fc51b00d3a99bb

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
14/10/2024, 20:47

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General

Target

2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe
Size

46KB
MD5

fc307137e6cf32d62a253394698ab1d5
SHA1

5d0d78a3eca3cbac65122099bd7fa5daaef827dd
SHA256

533b877885532ba3acd3f31cfa5a0bbc1478962faf4fdf96b6fc51b00d3a99bb
SHA512

dca0d2d8f2e445c432534a30ce6a819b817003b2aa77ce3e23f8d00c5f3094f4307cf334dedab1e0b7d84c6c022609aeb2720c4d33a1c900f8199eb6283d9ffa
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPtX:P6QFElP6k+MRQMOtEvwDpjBQpVXk

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2180	asih.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	2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2180	2216	2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe	85
PID 2216 wrote to memory of 2180	2216	2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe	85
PID 2216 wrote to memory of 2180	2216	2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_fc307137e6cf32d62a253394698ab1d5_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- 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:2180

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
46KB

MD5
f152e90cf9faabd1bd3aa1d79b7fb6d8

SHA1
61f71c1cba645e4f206944fb4e3e4c6fa4322b92

SHA256
098c07d6336099ce682f4caf89707d4329ef3550f4a37c5b3afcddffba1d7f86

SHA512
fe345933cdd2d93e8c31cea2f4b216ea39333074b339a29f2a537c8d2cfa4f05e924b96048b273ce801a2429b37ab3dd95d09948c858582b8f3febcf3ddcdb22

Download Submit
memory/2180-19-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2180-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2180-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2216-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2216-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2216-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2216-3-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2216-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download