88961173fb9d1f15ece781d9f06b1390c221940212d2fc7e8b58fbcfefc3ef4f

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:26

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General

Target

2024-09-19_626b39e624e32010487ad94d73a42e50_cryptolocker.exe
Size

47KB
MD5

626b39e624e32010487ad94d73a42e50
SHA1

57ae93059f944f0a342ab3588c330994037a67e5
SHA256

88961173fb9d1f15ece781d9f06b1390c221940212d2fc7e8b58fbcfefc3ef4f
SHA512

1127a593e4fd8531553c77057be3f51eb413dfa6ef7c45a6bdd3834c2593abf70a7346090ed2f827f65a9dea68571ad6c285efc0f80e65dec2a321ce7d53679a
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zr3:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzb

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-19_626b39e624e32010487ad94d73a42e50_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1260	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	2024-09-19_626b39e624e32010487ad94d73a42e50_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 4112 wrote to memory of 1260	4112	2024-09-19_626b39e624e32010487ad94d73a42e50_cryptolocker.exe	82
PID 4112 wrote to memory of 1260	4112	2024-09-19_626b39e624e32010487ad94d73a42e50_cryptolocker.exe	82
PID 4112 wrote to memory of 1260	4112	2024-09-19_626b39e624e32010487ad94d73a42e50_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_626b39e624e32010487ad94d73a42e50_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_626b39e624e32010487ad94d73a42e50_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4112
- 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:1260

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
47KB

MD5
afe04cd130f54f37205f274197e0dcc1

SHA1
55d22551049dd7327e18c41fdd67ad7345dd6f8e

SHA256
d23b9f22077ab093ddce25d0d95b0ea523dc45aa94c72f8a5db5421f5147d975

SHA512
8a00f6bd60677d764e7c2c73b128510ce4a3b6a677ad56dfaa19037daed04e4281638e0d62cbfcb164165e0b1bf59dea826a1e301b70c996c65247deb8c7bd6b

Download Submit
memory/1260-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1260-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4112-0-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/4112-1-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/4112-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download