ab00d853e46965bcaaf21ac39d35243826f7efabf99b9cc1b82e03802154a6d2

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
08/09/2024, 07:41

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General

Target

2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_cryptolocker.exe
Size

75KB
MD5

f4e2a51d2ea8812434f46a32e00b671e
SHA1

692c50a1544333ce6011a3fa8dd1de9fb4a258f7
SHA256

ab00d853e46965bcaaf21ac39d35243826f7efabf99b9cc1b82e03802154a6d2
SHA512

70b77886e12c1b3c8b6b6f3f53438062438a115a7c15e77b5cf9e418d5d080925de75fd9582bb4351967959225369ee109baca1ceeab25f8d36ae8a956f66ed1
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsMk:u6QFElP6n+gWMOtEvwDpjJGYQbH

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
388	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	2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_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 3660 wrote to memory of 388	3660	2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_cryptolocker.exe	84
PID 3660 wrote to memory of 388	3660	2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_cryptolocker.exe	84
PID 3660 wrote to memory of 388	3660	2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_f4e2a51d2ea8812434f46a32e00b671e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3660
- 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:388

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
75KB

MD5
020b6131db08aa830c840ff1a7239cc6

SHA1
282dc71234be734f71317d5987cbe8c4a08ad9e9

SHA256
66fb479bdaf18ee37f983761f0ac287d6c515538a7f40fc38b95b2a785b9762a

SHA512
9ffbfa013298dbe5aa7114b07d9e0aa41532c264c358792c8e38d2c878ecf886dcb9e6d3f91b33461312d1d8fb2f1825b9582a3a3ab084153a817233eaa933b3

Download Submit
memory/388-18-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/388-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3660-0-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3660-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3660-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download