dd516eb8ff58d59aebbed60b949ca92f219011f0a9d37044497774d6ccd1a5df

Analysis

max time kernel
148s
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
05-09-2024 12:18

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General

Target

2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe
Size

44KB
MD5

f700e6f8a55cd1e35af43d0237cd27c3
SHA1

c4f36efeedac3929f8eca3302d794c717d69c032
SHA256

dd516eb8ff58d59aebbed60b949ca92f219011f0a9d37044497774d6ccd1a5df
SHA512

2050f82a94a3f8d94aaa99e4db2b8769f67db5a2734abb5af56619f2993debcb2ad5fc0e29c80bc6c638d0ca29477028104a38da3a54b1086fa560a582c2f9ad
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1Th:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLh

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	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	2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_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 4000 wrote to memory of 2656	4000	2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe	84
PID 4000 wrote to memory of 2656	4000	2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe	84
PID 4000 wrote to memory of 2656	4000	2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_f700e6f8a55cd1e35af43d0237cd27c3_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4000
- 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:2656

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
ffb347c42d631895fd96933191dfa52f

SHA1
eea6f0eb3112bfce43e4aee8d7d04e58bb22cd5d

SHA256
8fa9440f20f022458aa2f2ffdaa2ac6b1d8ca86fceefd7c2daab2b07af717951

SHA512
dc858736d83c7090d437a9e0dfc377fa79e0caaab34d76550b750fc8a6f2c938760fb76c2cdcb8e1c6e8c4905990ca0ef2c0fe85e0356e55392f0dbffebebc01

Download Submit
memory/2656-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2656-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2656-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4000-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4000-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4000-2-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4000-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4000-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download