75d5f29625781480074b0e7ea3003155edf9a39ee4fb54aba8fe8747ca026fc0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 02:55

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General

Target

2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe
Size

38KB
MD5

81653797103842cf0c53263fff4b0351
SHA1

f31e4942d3c1039ea21c737ace561d514d11946a
SHA256

75d5f29625781480074b0e7ea3003155edf9a39ee4fb54aba8fe8747ca026fc0
SHA512

4d41f0d151bb11f6c37041afdcdf85519906d97dda8040bdc67c817bd393160023704c9591f78f50c22cd44239ba7bcaaed047acfebe16a29b597c4ab4491091
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3/:btB9g/WItCSsAGjX7e9N0hunRvP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1276	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1128	2024-09-08_81653797103842cf0c53263fff4b0351_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	2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1128	2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe
1276	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 1276	1128	2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe	31
PID 1128 wrote to memory of 1276	1128	2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe	31
PID 1128 wrote to memory of 1276	1128	2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe	31
PID 1128 wrote to memory of 1276	1128	2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_81653797103842cf0c53263fff4b0351_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1128
- 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:1276

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

Replay Monitor

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Downloads

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

Filesize
38KB

MD5
bc641695e984e2fe7e39199b1fd135ce

SHA1
863ec27b990905b7e022cf5b8d5ba67895e56423

SHA256
a8337a9c454a18a434f6312920c5942854b14bd7e182f9171d00ba0ae05fce3a

SHA512
4dfcfd8e89896895b51d14490a1a88ea2e929276adfdcd9ef80aed0d4e76eb40e9213578972f0008d5acc19e823f44d3c723f0f8a9465a19ee30b6d86b4be3b6

Download Submit
memory/1128-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1128-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1128-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1276-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download