a3efcc2520e2612563c5349234edf7cebd9d89d371af25f6be9d0ba3ea7a6638

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 04:22

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General

Target

2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe
Size

33KB
MD5

13f76338924baca5a52ea8ddc53ae116
SHA1

a61145dc1b9f7f38c1973659f30338729f693b47
SHA256

a3efcc2520e2612563c5349234edf7cebd9d89d371af25f6be9d0ba3ea7a6638
SHA512

8d8591acfa7579ba5a188b04a2e69380eb432e839eeb1cd76fd17dafc56c9848d5e5a047765247eb2d9ca583128780a8f3299f03abdb1ee324f64920c245aea2
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNQJMb:btB9g/WItCSsAGjX7e9NQK

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2940	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
3016	2024-10-18_13f76338924baca5a52ea8ddc53ae116_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	2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3016	2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe
2940	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2940	3016	2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe	29
PID 3016 wrote to memory of 2940	3016	2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe	29
PID 3016 wrote to memory of 2940	3016	2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe	29
PID 3016 wrote to memory of 2940	3016	2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_13f76338924baca5a52ea8ddc53ae116_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3016
- 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:2940

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
33KB

MD5
1a1e40e4026e5f0131bab144317dd6c2

SHA1
e1f206fd2e7b3e58f2c86c48de4c09b0a32ff91f

SHA256
a28725383b56886b271515dd42bcac55a4d9a3035858e6749bfff87b15e74818

SHA512
ea1921f86e06696c1c1adcf4cf1d63c8094cf92a89ebc289e5c28c88566f3c933166b7eddeadaaf6f2a35b298f7a2e93d16119341965ccda91ff1a9b70d81729

Download Submit
memory/2940-16-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3016-0-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3016-8-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3016-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download