9a5c18d07a4457dbafa536705a50f062e44e8d0b5e137dc53f6e9b01eedf15a7

Analysis

max time kernel
148s
max time network
154s
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, 02:49

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General

Target

2024-10-18_d35fe31d131bbf64de059959bb74fe4d_cryptolocker.exe
Size

54KB
MD5

d35fe31d131bbf64de059959bb74fe4d
SHA1

1acb2522e4c49fb788e05c88af34f7d27a65452a
SHA256

9a5c18d07a4457dbafa536705a50f062e44e8d0b5e137dc53f6e9b01eedf15a7
SHA512

6ceaa2e3551fca85c4a512b38358b1be14a0e2d4321288d49ce786b7e358be0836242f53a252bf3e64c8b4843d1b920a305db0e4f2b9fb06b025a6e9cfc49ab4
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRszDr6KAWv:79mqyNhQMOtEvwDpjBxe8TpXRSDeK7v

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	2024-10-18_d35fe31d131bbf64de059959bb74fe4d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2528	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	2024-10-18_d35fe31d131bbf64de059959bb74fe4d_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 3612 wrote to memory of 2528	3612	2024-10-18_d35fe31d131bbf64de059959bb74fe4d_cryptolocker.exe	86
PID 3612 wrote to memory of 2528	3612	2024-10-18_d35fe31d131bbf64de059959bb74fe4d_cryptolocker.exe	86
PID 3612 wrote to memory of 2528	3612	2024-10-18_d35fe31d131bbf64de059959bb74fe4d_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-18_d35fe31d131bbf64de059959bb74fe4d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_d35fe31d131bbf64de059959bb74fe4d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3612
- 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:2528

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
54KB

MD5
18c3201d92636250b3b4a0437ea15547

SHA1
ee04222a17e24ebc79325980cf700dfc64005edd

SHA256
6dcb88eb2de854a01a81bf151fa8b354b8b4610d1672db9d0c7856c2e77b53c7

SHA512
00ace188aa3e848b3affeae4162c6ff5027e0f3ee93236189ce80ba26eeceab3d26f6e6ac2212a78385b9fe1d9d5da7c68b3116f82a53f1f0924862e62f4ff34

Download Submit
memory/2528-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2528-25-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2528-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3612-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3612-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3612-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3612-3-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3612-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download