07f4bb5e45abaff1e0a4ee19ce03cb4f733421d73bd116ab014b9924b5d1c023

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
28/09/2024, 10:28

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General

Target

2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe
Size

35KB
MD5

19d202c9305dd8c3facb92e7988de4c0
SHA1

6304899f42735d67bc5f1a531528795e86859161
SHA256

07f4bb5e45abaff1e0a4ee19ce03cb4f733421d73bd116ab014b9924b5d1c023
SHA512

fec9e616c098494be0fc3519b81c76b54b02b7a02be9b58991698f85037b6639ff23b2bfe019d28fbd965a9ef9d43fcaa894c999f911e257cd12fecddb92d1eb
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjbQ36ttTJ:btB9g/WItCSsAGjX7r3BGub8+

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2968	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
3020	2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe

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	2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3020	2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe
2968	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2968	3020	2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe	30
PID 3020 wrote to memory of 2968	3020	2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe	30
PID 3020 wrote to memory of 2968	3020	2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe	30
PID 3020 wrote to memory of 2968	3020	2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_19d202c9305dd8c3facb92e7988de4c0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3020
- 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:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
35KB

MD5
9c3938e95e8be5f2afbeb04edb8fbf8e

SHA1
96f5fa17de63a56ae8a669173980bd0d4715b657

SHA256
d0772612fbfc7d75d82ffd7b8bf466ca70950fa1e648eaa6cb6afc6da5d420a2

SHA512
13e9b3e146e0d66db25b1116712da5f0134123fa2cad941fa1b20107df04381b47c414535c8a0bfbb79c4caf6fd4157d89b66bf794e19fd647c933a4cd576d0f

Download Submit
memory/2968-23-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3020-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3020-8-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download