ab0168b60655c99acbb3005b0d804284a7ed18afd53cccc6ff8e8f7be905de3e

Analysis

max time kernel
149s
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
18/10/2024, 03:33

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General

Target

2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_cryptolocker.exe
Size

79KB
MD5

295cf4d26e1171b5d8de0b7ccc4e7bc6
SHA1

57224da8fbf03d6a16d72cd3c8b02e5ab9cef45d
SHA256

ab0168b60655c99acbb3005b0d804284a7ed18afd53cccc6ff8e8f7be905de3e
SHA512

d65eae32e9fe4f9535dc73d6fc96ec302c3f4ce4ae5daaea5165b4ac139653a4621157986b28ba1c5095e36d6ee74362b2907c64d3d04a910266fa0c53305489
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx4:T6a+rdOOtEvwDpjNtHPH

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3532	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1800-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000c000000023b74-13.dat	upx
behavioral2/memory/1800-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3532-26-0x0000000000500000-0x0000000000510000-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	2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_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 1800 wrote to memory of 3532	1800	2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_cryptolocker.exe	84
PID 1800 wrote to memory of 3532	1800	2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_cryptolocker.exe	84
PID 1800 wrote to memory of 3532	1800	2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_295cf4d26e1171b5d8de0b7ccc4e7bc6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- 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:3532

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
79KB

MD5
7d485fec148d0ddc796d0686b7de30a3

SHA1
f48ecccf268d514a78e505ac48b80c6609531c0f

SHA256
f4ccdc0674a401a6789bbc4b0f33a87bd880b9e0e0ed935b772b1dec234faa0d

SHA512
d85410c54321b3c30f1ff7e8f8991645d98d7c4471e96eceeef858bd9483d088d85761cc53b4db6d6f470f2535b2456cb2af61c7d3b3ac47890d4e02220021be

Download Submit
memory/1800-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1800-1-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/1800-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/1800-3-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/1800-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3532-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3532-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3532-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download