b08dc72fbb6fae1e086e5b4255c554e12a11768794b3bc4215fc1138909c62f1

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
01/09/2024, 07:58

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General

Target

2024-09-01_65d5e61ee4786dcd28a82d531892b059_cryptolocker.exe
Size

47KB
MD5

65d5e61ee4786dcd28a82d531892b059
SHA1

b8356f0dc96def9c66b41b7c931522ecccf08df6
SHA256

b08dc72fbb6fae1e086e5b4255c554e12a11768794b3bc4215fc1138909c62f1
SHA512

5574471e00036012fd3e8c4ed830ea7542abbb6e4a531006bd301851510f14e017580f81a29ed2aeaf45b03d81aa5124a5d925921a0a19de5fb8363cb9bee48c
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAR:P6QFElP6k+MRQMOtEvwDpjBQpVX8AR

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-01_65d5e61ee4786dcd28a82d531892b059_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	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	2024-09-01_65d5e61ee4786dcd28a82d531892b059_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 380 wrote to memory of 3060	380	2024-09-01_65d5e61ee4786dcd28a82d531892b059_cryptolocker.exe	86
PID 380 wrote to memory of 3060	380	2024-09-01_65d5e61ee4786dcd28a82d531892b059_cryptolocker.exe	86
PID 380 wrote to memory of 3060	380	2024-09-01_65d5e61ee4786dcd28a82d531892b059_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-01_65d5e61ee4786dcd28a82d531892b059_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-01_65d5e61ee4786dcd28a82d531892b059_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:380
- 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:3060

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
48KB

MD5
c1276bf1a58702993133a6c85a359d1a

SHA1
d58cd2ab36d42e9d7d76557ada912fb84121fbee

SHA256
3ace521f60e3f4b37ab945c28c0049b146aff35844ab646d5ac9414e66320b5b

SHA512
db648de9cff22c2f3172cb7ee919eadf872a709427eda6ae89cc5ae32f5b53d72136a67fba550d54c96366817f0bec4fd799dd1e0de250215438af87da930f89

Download Submit
memory/380-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/380-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/380-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/380-3-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/380-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3060-20-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/3060-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3060-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download