3712e32e46c69fb2d4d7ba281ad8916407344c2a08b22edc528bec2016e8b0a1

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
05/10/2024, 21:54

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General

Target

2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe
Size

42KB
MD5

ccaa53e5e4c08e31b35b8db69098ce5b
SHA1

3445065143d4266c817c6ba314c70d4e1eb72f2d
SHA256

3712e32e46c69fb2d4d7ba281ad8916407344c2a08b22edc528bec2016e8b0a1
SHA512

ce96536c92cff347545e10bd26fbd8cbc5c5cc53ead3992fc3bf279ef1e439cf210e14cbc9dba80c6a66e5ead5aed672110ab5e5387847ec9ba12a8bc49eafd7
SSDEEP

768:b7o/2n1TCraU6GD1a4Xcn62TUdcuQlqJ51mwuC6:bc/y2lm6Y0AqJ51mwuX

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2088	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2692	2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_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	2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2692	2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe
2088	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2088	2692	2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe	30
PID 2692 wrote to memory of 2088	2692	2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe	30
PID 2692 wrote to memory of 2088	2692	2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe	30
PID 2692 wrote to memory of 2088	2692	2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_ccaa53e5e4c08e31b35b8db69098ce5b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2088

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\rewok.exe

Filesize
42KB

MD5
c0031b5700ba191393e8065a589134f6

SHA1
ee420cbf3135058570a78b500ba048ad68101169

SHA256
9081e05381fa16d537a8243249521711bd22f9c24a9bcb815edeb9a03ce8e12f

SHA512
5fb4ec22eea3af0b9172539b6c8eaf58254f6424a745294b2e011d8b1af316d22201ae9ed1fc4ed550b5a4308f25a28724d12564d2ec56d1e70e3b88ad4a070e

Download Submit
memory/2088-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2692-0-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2692-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2692-8-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download