85b642d4185a71024545a4d109d11a9877601541c752a402cc32655b10e33026

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:26

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General

Target

2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe
Size

39KB
MD5

620af12d841baa27429805459035a5f4
SHA1

2a0acd6f36fe621aea58582e1ca8fe554c4b6f1c
SHA256

85b642d4185a71024545a4d109d11a9877601541c752a402cc32655b10e33026
SHA512

6de27053cac753df476f8201eaec7956d24d3dcbba7897d0a7602c658b65544e6fdc55c1d46f63718d0006797c34b7115ec08ef3bc4cfb7a07222f2ffde5698d
SSDEEP

768:btB9g/WItCSsAGjX7r3BPOMHocM4vUUOmJ++:btB9g/xtCSKfxLIcMzUw+

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2772	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.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	2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2120	2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe
2772	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2772	2120	2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe	30
PID 2120 wrote to memory of 2772	2120	2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe	30
PID 2120 wrote to memory of 2772	2120	2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe	30
PID 2120 wrote to memory of 2772	2120	2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_620af12d841baa27429805459035a5f4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
39KB

MD5
e6a3f1e4ced9866324a2b16ba18aa1bd

SHA1
cc123b54fb48f2477a7fcf91fe39a36e75844643

SHA256
2ff52175ebc28b04f2672f3e77ba583295225929a51f2c4560cbb43f9949ccca

SHA512
db87cc1a5ded39eb7ab931227c2f59b9bfc5102ba896437c39cc25ee439ab04fbd1216df2a2433cf8ef9642f93f9afd38433c5900c6a95142012794652843f8f

Download Submit
memory/2120-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2120-8-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2120-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2772-16-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download