153221fd9bc11632db85a55e4519a3e8ff97408e40f3d942680ed8fae99be1d3

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 20:27

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General

Target

2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe
Size

64KB
MD5

c6fb1812b714e4fca736454bc6c7854d
SHA1

7d4afc80f68e551d524ff53318a54d6ea276eae5
SHA256

153221fd9bc11632db85a55e4519a3e8ff97408e40f3d942680ed8fae99be1d3
SHA512

2df18373581c002863ce051fda00d46e4393eacf7543f305d81aab55cc5ada4451e3eac14d8611ec5763ecf4b2685dbc6725763948bcb24298568eafc5e380d5
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnTl:btng54SMLr+/AO/kIhfoKMHdaJ

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3596	gewos.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	2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 3596	5020	2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe	86
PID 5020 wrote to memory of 3596	5020	2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe	86
PID 5020 wrote to memory of 3596	5020	2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_c6fb1812b714e4fca736454bc6c7854d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3596

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\gewos.exe

Filesize
64KB

MD5
9fde5b077d7ae09dec8f9ed5c441d7d9

SHA1
4755122d74b81a91f80fe0dfb30cc66e7028f933

SHA256
f7279a0d67040a0dced55d9eb48fdba321665cbd78c318879fe86caec3bdc875

SHA512
e5ce815d7576363d8005ef107b99d94595b0a5409c3b868638e1dcc5f3ff38fddd5d11b7bbebc548b28d90b8802379f19f60ca7696daa1a329b82a158ae2cbe0

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewosik.exe

Filesize
184B

MD5
1d7e874dbb2da1cc3c6fc557bd9fa08d

SHA1
4646bab8d12fc898d78a3d1486723e9bfa32f919

SHA256
9dbb9f04d25c7d0b9560ff93ac063bf5e24b98ff9fdac912c6f413e01310bd2a

SHA512
a523b59ed1cad4591a3061195f16bf21338daafcb6d25729d14898757c1f0daeb3231ec6e906f4a2e09553a2cc20c55de02f4cec90cd88ddae0bb8a42c9154aa

Download Submit
memory/3596-25-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/5020-0-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/5020-1-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/5020-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download