f7e40800de63813c1fa2a31c30bdabcbf8d0b98ee5038d8bd526bf80057be1d6

Analysis

max time kernel
132s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 00:43

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General

Target

2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe
Size

28KB
MD5

9b2ecc70b2567a0f33e5743333665684
SHA1

e3c62f4d42b402e579bc0940c2476c5f1f8bba4d
SHA256

f7e40800de63813c1fa2a31c30bdabcbf8d0b98ee5038d8bd526bf80057be1d6
SHA512

b8cb5e2ccb9344407f80c57e7c1cae8a7b5bdf21bdfadccb2051feae6fdc5990ed3745cec4c5c146994a13a11f43683828cfb88aa6d96d95f77166b4e7555cf1
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoIW:b7o/2n1TCraU6GD1a4X3W

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2384	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
1856	2024-10-18_9b2ecc70b2567a0f33e5743333665684_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	2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1856	2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe
2384	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2384	1856	2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe	30
PID 1856 wrote to memory of 2384	1856	2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe	30
PID 1856 wrote to memory of 2384	1856	2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe	30
PID 1856 wrote to memory of 2384	1856	2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_9b2ecc70b2567a0f33e5743333665684_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1856
- 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:2384

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\rewok.exe

Filesize
28KB

MD5
79682717a4b47ed51f9e1d3a5988d2db

SHA1
d8ef74df91942b8083ba308d4e4fbc59d7acdb36

SHA256
8129a480000c26d47ef4aed43c0d7cb12ec07991cff5d2fdb53d3d2a9e7618c3

SHA512
136d7a00be52c3549bf69c2136b02b0ae0f2eafee617c68980e20435d81738900614f340274eb5b5cb1a6f55f919b6aaca444047997d31093b1bbd4b5227aafd

Download Submit
memory/1856-0-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1856-8-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1856-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2384-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download