161391d492668507ce3aa92e75741c5fb6c6d92a2f875008a676067d4a61dcb0

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 08:40

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General

Target

2024-09-13_44194339f532639cc3f2ae9e03e881ea_cryptolocker.exe
Size

44KB
MD5

44194339f532639cc3f2ae9e03e881ea
SHA1

ba2dca6d58660a01f5c956e39d31c7e645c3361c
SHA256

161391d492668507ce3aa92e75741c5fb6c6d92a2f875008a676067d4a61dcb0
SHA512

cc28c8852f7bad46c9ccb3bd8ffebd04f121c1425d6f5eae098147ea8526e391bd765b24de7f921413c9a5f92d3749bbfbe2963dff3617b604f2351e4705b461
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TE:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLE

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-13_44194339f532639cc3f2ae9e03e881ea_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	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	2024-09-13_44194339f532639cc3f2ae9e03e881ea_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 3036 wrote to memory of 4920	3036	2024-09-13_44194339f532639cc3f2ae9e03e881ea_cryptolocker.exe	83
PID 3036 wrote to memory of 4920	3036	2024-09-13_44194339f532639cc3f2ae9e03e881ea_cryptolocker.exe	83
PID 3036 wrote to memory of 4920	3036	2024-09-13_44194339f532639cc3f2ae9e03e881ea_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-13_44194339f532639cc3f2ae9e03e881ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-13_44194339f532639cc3f2ae9e03e881ea_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- 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:4920

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
44KB

MD5
b9dcf07407c4ee016badc7f4eeca79b9

SHA1
f4efb53300e857fc9db3862ebfcec28baf66cf5e

SHA256
07133352398897356fab967debf34f95cffb340f636b8b4b04b48779eef38ed0

SHA512
d16d778a7fde26aaff2f83d7f40427386820c66ff1b2f2da0e9f372669fbead31a4eef43f1784dc55324a52552fb0a5951f1624fb1920fe3abb90ff48ba7b1c6

Download Submit
memory/3036-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3036-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3036-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3036-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3036-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4920-25-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4920-19-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4920-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download