473dae5fca3e829d796c7723d36b7317e0a657753141005db815a181bd33b834

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 05:26

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General

Target

2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_cryptolocker.exe
Size

55KB
MD5

b094c938b26c8fab1b28ff9d68a894d6
SHA1

6adc4b19f9aa8e99a21ebf07be25a8f39d88be2b
SHA256

473dae5fca3e829d796c7723d36b7317e0a657753141005db815a181bd33b834
SHA512

96cafd01155356ed2fc18fb82947a1cc3e4935e9a21bddd1fe0d7b2c7fb20625c72a006794a19aec6a059010d9167c46876d63cd2d3840ab14b1ad5214a9dd1d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIR:X6QFElP6n+gJBMOtEvwDpjBtExml+

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1968	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	2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_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 544 wrote to memory of 1968	544	2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_cryptolocker.exe	85
PID 544 wrote to memory of 1968	544	2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_cryptolocker.exe	85
PID 544 wrote to memory of 1968	544	2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_b094c938b26c8fab1b28ff9d68a894d6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:544
- 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:1968

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
55KB

MD5
e2a41253af574075131cd23136f18d43

SHA1
315897e9f5e3f6241738efaf133d11a1c1275894

SHA256
de3f151e11c63e32df883834a9fe0cb2b4883323f9be7b3a5ae503d547db8bd8

SHA512
689067d42a0710242c91739d80639d3b2b585adc683010873f32598fe7674f6127c7769433a73290ed973a172e9b87d6fe7eb5b709fcc93749088d918e045ddc

Download Submit
memory/544-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/544-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/544-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1968-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1968-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download