608467cce7d22288cf07dc7651875efc97ea2c9f9128aed136f3a84f3b716235

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 07:22

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General

Target

2024-11-21_0084f9f713b008db463c2e4d410baad9_cryptolocker.exe
Size

38KB
MD5

0084f9f713b008db463c2e4d410baad9
SHA1

c86673ab45d70a69d386bf7308f95ab321da25ac
SHA256

608467cce7d22288cf07dc7651875efc97ea2c9f9128aed136f3a84f3b716235
SHA512

bda84867c9dcab2fadb181740560d669028b1cb1b78c57992ca48bc7d08d937e251b3d945369bb8fa77f152730c4bbb91d11884c9cf26828cc2e7887bc100362
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITW:qDdFJy3QMOtEvwDpjjWMl7TW

Score

7^/10

discovery upx

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-11-21_0084f9f713b008db463c2e4d410baad9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3460	asih.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1016-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000b000000023bc3-13.dat	upx
behavioral2/memory/1016-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3460-27-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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	2024-11-21_0084f9f713b008db463c2e4d410baad9_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 1016 wrote to memory of 3460	1016	2024-11-21_0084f9f713b008db463c2e4d410baad9_cryptolocker.exe	82
PID 1016 wrote to memory of 3460	1016	2024-11-21_0084f9f713b008db463c2e4d410baad9_cryptolocker.exe	82
PID 1016 wrote to memory of 3460	1016	2024-11-21_0084f9f713b008db463c2e4d410baad9_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-11-21_0084f9f713b008db463c2e4d410baad9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_0084f9f713b008db463c2e4d410baad9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- 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:3460

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
38KB

MD5
6fb49ca6f313f4b1e044b2fde98e6169

SHA1
0a30aa92a24232b616e7a54af5978aa0daf0df39

SHA256
71084b8e1223039278b035b9ae4e5a885069e8d14e9d639b01b1a4ea78768ee9

SHA512
48c13832742bdc971dd3788a6da14f7450f9daabf71464a96555c59bdc79025ce53908a46f800d1dc58d2f4da6a73f84b29d151f382e74f9d3a714bf940ab3b3

Download Submit
memory/1016-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1016-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1016-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1016-3-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1016-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3460-20-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3460-21-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3460-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download