ccc4586e34e34bb1c0cb285d906af61e453ff513c1347c59df9c5f33699dd6af

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 08:12

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General

Target

2024-08-29_f6a124b04220002e0833b5c279ea2f96_cryptolocker.exe
Size

50KB
MD5

f6a124b04220002e0833b5c279ea2f96
SHA1

7af634077d32e21f40affb827e821a597bd04e54
SHA256

ccc4586e34e34bb1c0cb285d906af61e453ff513c1347c59df9c5f33699dd6af
SHA512

5439d0bd18409923468a07c2b7f9b5ea66da7a03a4f96d9ec370fd9f7b8f9e637a9418108303a65090ceb086e55a088b5b789175d3f6600797e0c1a96f2512ca
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcBJ4:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfA

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-08-29_f6a124b04220002e0833b5c279ea2f96_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	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	2024-08-29_f6a124b04220002e0833b5c279ea2f96_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 1548 wrote to memory of 2840	1548	2024-08-29_f6a124b04220002e0833b5c279ea2f96_cryptolocker.exe	85
PID 1548 wrote to memory of 2840	1548	2024-08-29_f6a124b04220002e0833b5c279ea2f96_cryptolocker.exe	85
PID 1548 wrote to memory of 2840	1548	2024-08-29_f6a124b04220002e0833b5c279ea2f96_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-29_f6a124b04220002e0833b5c279ea2f96_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_f6a124b04220002e0833b5c279ea2f96_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- 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:2840

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
1533710cfe93f160dcd8af8085be0b7e

SHA1
258093fd3c0a4dd92d99582afc924da096181fd0

SHA256
2f82a838601e8b79cb9e614f2cf07624acdc7a0573543da743c5d48119dbe67b

SHA512
f201ad6364d2e799b9825f7202f8d75af059be8c2ddd46bbf8f88fbbceacfcbedd8ccd5656bd14bd5a7ec44bf46778926f84f645bac0befcc7910dc96debf50b

Download Submit
memory/1548-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1548-1-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/1548-2-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/1548-3-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/1548-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2840-19-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/2840-20-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/2840-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download