4101f96eb8e3fb7715aba6d32c55f8143573a163bf62a39809fad6ca0eb63d29

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 08:20

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General

Target

2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe
Size

38KB
MD5

feecaca4d799c232bb17dc9af5488e0c
SHA1

1667d86846286082f52cd56c36255043ac8779ef
SHA256

4101f96eb8e3fb7715aba6d32c55f8143573a163bf62a39809fad6ca0eb63d29
SHA512

2ace1deae09132dc3675d7776ed2c17db796ba4a51b1271c5c6fe3f4e55b214d1f4a7cec29bb22d5a4e93425b0c91400ed0d341f00e1478b68783e216b22b082
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunrkwIPqR:btB9g/WItCSsAGjX7e9N0hunrk3qR

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
348	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2992	2024-10-31_feecaca4d799c232bb17dc9af5488e0c_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	2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2992	2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe
348	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 348	2992	2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe	30
PID 2992 wrote to memory of 348	2992	2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe	30
PID 2992 wrote to memory of 348	2992	2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe	30
PID 2992 wrote to memory of 348	2992	2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_feecaca4d799c232bb17dc9af5488e0c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2992
- 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:348

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
e3aa6314cb4aa5309034fbf271ff8ec7

SHA1
2021847a92a4df5aaaed931f07481693c5295ba5

SHA256
386b1c19428967d5309a3ed2ac387aad25f0f8e68fd6d7a17957339ef010c7f6

SHA512
1be29fca2f42a33f167b501eb821df1bb3ad0604276d9e6e3d3ec1e215cf776a9587126b9073e54d3e8cf3c712f933cc47182fdf167342719c7585e1b89e8201

Download Submit
memory/348-16-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2992-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2992-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2992-8-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download