b3859c6e4ce589d176b9335584304b767c3573efa8b9c0f07f33e345f0a25e0f

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 05:22

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General

Target

2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe
Size

72KB
MD5

3c9fb08f50e35438da88674eacf8931b
SHA1

98613dee6af9ede5be1e89de7d33eb1981e1855f
SHA256

b3859c6e4ce589d176b9335584304b767c3573efa8b9c0f07f33e345f0a25e0f
SHA512

60c41764e82cec3d7016c8ec548411d538ff0c0fef67fd308da6eaf11c496198d237dbbd0a057ba18bf9b2a6699e91d699084c7d0a4427fac7ac5700efd8db5a
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO7:DW60sllyWOtEvwDpjwF85c

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4780	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	2024-09-06_3c9fb08f50e35438da88674eacf8931b_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 4432 wrote to memory of 4780	4432	2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe	88
PID 4432 wrote to memory of 4780	4432	2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe	88
PID 4432 wrote to memory of 4780	4432	2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_3c9fb08f50e35438da88674eacf8931b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4432
- 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:4780

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
72KB

MD5
0940ea178ddc8c792e741be34688612d

SHA1
29bb6325adba128abef9f5353574f2ed97bfd20f

SHA256
8e2a7907a3d46d9809803bc970fc0163be1fce96a5bf6261a71caf985d304847

SHA512
02e0201f5d58cf22072e5026cf30484da8e7b74732098612ed69c78e7b1f5dc15d8e9cd0a5afac10c5d615a508b97f5c0a1595a3cfe7ec89d1f5595dcae1ed71

Download Submit
memory/4432-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4432-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4432-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4432-3-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4432-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4780-19-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/4780-25-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4780-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download