98c97b2f1fae4ca1afef1bed51d1c1bbf21b8023fd29811bc215bafee706fcad

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 21:43

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General

Target

2024-10-05_79938cdfb162ccc61e5f884172147875_cryptolocker.exe
Size

101KB
MD5

79938cdfb162ccc61e5f884172147875
SHA1

ab69e7697c9c55ef641d135335dadf6c7df2219d
SHA256

98c97b2f1fae4ca1afef1bed51d1c1bbf21b8023fd29811bc215bafee706fcad
SHA512

58a7f5f1fef46396b692e43fc033ec99f2e4db4923d5abd4c2a561eef4324bff5dc41a6bf15b38049bd09ee1229ecd64f0d0aec04a85b81c4f2e5605667e1f77
SSDEEP

1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNgpQbCJj9:26a+2OtEvwDpjtzi

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-10-05_79938cdfb162ccc61e5f884172147875_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
512	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	2024-10-05_79938cdfb162ccc61e5f884172147875_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 2924 wrote to memory of 512	2924	2024-10-05_79938cdfb162ccc61e5f884172147875_cryptolocker.exe	82
PID 2924 wrote to memory of 512	2924	2024-10-05_79938cdfb162ccc61e5f884172147875_cryptolocker.exe	82
PID 2924 wrote to memory of 512	2924	2024-10-05_79938cdfb162ccc61e5f884172147875_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-05_79938cdfb162ccc61e5f884172147875_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_79938cdfb162ccc61e5f884172147875_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- 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:512

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
101KB

MD5
117c3fd74e055e74c41ec5c84b2c465c

SHA1
873bcb76619db09226d0d7bcdf64505cbb878bbc

SHA256
d386e8530dc73bc35a4645706d8ed8bb0ed26891a91bba1c56a3039863bd6ff0

SHA512
d49b60576df11a4cece1796f25474e0e2a38e51fc3b05f5d9881ea4b3451f93d5662d87e5461e359c52fe7a01fcec54f7b121a3b453dbf41b6c43c04ede73e8a

Download Submit
memory/512-17-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/512-18-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/2924-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2924-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2924-2-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download