95e1beee8acf22851a7993e72b71f2021b88de5fe243fddea856052f182d7a9c

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 01:58

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General

Target

2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe
Size

50KB
MD5

730285f799a8fff89eb79b5b990cec3f
SHA1

7043fe8614097f066997d9a54e8f9d559d4dbeff
SHA256

95e1beee8acf22851a7993e72b71f2021b88de5fe243fddea856052f182d7a9c
SHA512

867060a09d87c6a50a2e372c3909de67750bb3912813ebca6d4907a30f44539661768dea23c7217e0080953ee92739a176108d6436ad50b5713a05a37daef89f
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcBJzV:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfrV

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:

2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2472 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2472	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:

2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe

description	pid	process	target process
PID 3840 wrote to memory of 2472	3840	2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe	asih.exe
PID 3840 wrote to memory of 2472	3840	2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe	asih.exe
PID 3840 wrote to memory of 2472	3840	2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3840

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:2472

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
50KB

MD5
d5c3ec36d7562cf850c4b36d1caf5a64

SHA1
7a7b46a01c5abfde79f14bbea3db0ab23c29c3b7

SHA256
7fad1ccc84ce26753aaae9c472052efc70cbd0d01c301f132ffc821c61c1e6b5

SHA512
f3dffb4266bed9b192e6cc6c0915b558dd3bd3ccb947d536f072106bacd0616b46841e5e1f9868edbb93bd944fc82e9c70817d754f9f1b3aa165348db8044ab7

Download Submit
memory/2472-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2472-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2472-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3840-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3840-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/3840-2-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/3840-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/3840-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download