d961de37dfe585341a4461fd81f833e90f3a562bbce80e87e1307332afbe91d7

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 21:25

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General

Target

2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe
Size

70KB
MD5

52dde12f7849cc8a85b48d7c4b45424e
SHA1

743361307f4f9cdc36030a15362ad6360aafd9d4
SHA256

d961de37dfe585341a4461fd81f833e90f3a562bbce80e87e1307332afbe91d7
SHA512

d9cfcc5c6352023e8b33f07c15e2d369865962b028865e83b955d52436663b9fcc4436881522f1c12844434f069b083ba7818235280546b288a09aa0b443b66d
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1bl:X6a+SOtEvwDpjBZYvQd25

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4464	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 4464	1652	2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe	85
PID 1652 wrote to memory of 4464	1652	2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe	85
PID 1652 wrote to memory of 4464	1652	2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-08_52dde12f7849cc8a85b48d7c4b45424e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1652
- 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:4464

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
70KB

MD5
3dc51614ebfd1811c72c50210032a1e0

SHA1
f09f83e7fccab138483aae110f8bd94a836666a8

SHA256
bc5f906fa810568f86e941abce756b73524e431cdf37709d3f1769f149b5cbd4

SHA512
3a0ee33635bdbaf8e42ab801279ae3e0da0f852c1cb1c5866057909cb0d552e31cef36535cafdbf11e1162ddefddfa648cdb42b3e8d5f1b4ed7e211eb58c050c

Download Submit
memory/1652-0-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1652-1-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1652-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4464-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4464-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download