18051667b322920f15b19cd6334db11ac022ca1d28268d5c195568e8c5aa697e

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 04:37

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General

Target

2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe
Size

63KB
MD5

5503fde361f324c5741fd167d5abc9d3
SHA1

3d535f8f8093379985a516628f766b02563cb6e3
SHA256

18051667b322920f15b19cd6334db11ac022ca1d28268d5c195568e8c5aa697e
SHA512

0d0b99acf3a09f6858b1ae95dd444b8c8cbc7fe4997f323e6b37d53dbddb2061a3097a20fe7f6d55904407fc4a3d27228f0e3779be1897f79c2f740601daae32
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxe:btng54SMLr+/AO/kIhfoKMHdak

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2324	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	2024-10-12_5503fde361f324c5741fd167d5abc9d3_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	gewos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2176	2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe
2324	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2324	2176	2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe	30
PID 2176 wrote to memory of 2324	2176	2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe	30
PID 2176 wrote to memory of 2324	2176	2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe	30
PID 2176 wrote to memory of 2324	2176	2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_5503fde361f324c5741fd167d5abc9d3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2176
- 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:2324

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

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

Filesize
63KB

MD5
44848d22fc98e553a6572f11e8fb655f

SHA1
b07d63fcb498036c644d9d71a754145e75854fc8

SHA256
22f0ec3a56bc593095ca036eefe240265d00f4b578a1cf12d350a46e9d4f09a4

SHA512
e00a2e16e1cb035b840536b18def78db461fc2c79c76042901556348e81a36436016dd9b8882e0ca9a0945995120e7213895e870ec636e2a475c584b3142d776

Download Submit
memory/2176-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2176-8-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2324-23-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download