879276f1c612dc8331e50159841b60ee69b614573660152db7f8811de5611c84

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 01:26

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General

Target

2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe
Size

45KB
MD5

9ee769fd8dae64abc0a8a22a7ae7cab7
SHA1

53acae94b4b8d3380f9835646ace186af31a9599
SHA256

879276f1c612dc8331e50159841b60ee69b614573660152db7f8811de5611c84
SHA512

727d85dad3cc10134342df4f79d382cb8b832c17f193b07a11885e868166653674281177cbacc8a67145c6929368af522510110c5ac079ca0213d64382e24eac
SSDEEP

768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zg:bF/y2lFizbR9Xwzg

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2764	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2320	2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_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	2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2320	2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe
2764	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2764	2320	2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe	30
PID 2320 wrote to memory of 2764	2320	2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe	30
PID 2320 wrote to memory of 2764	2320	2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe	30
PID 2320 wrote to memory of 2764	2320	2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_9ee769fd8dae64abc0a8a22a7ae7cab7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2320
- 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:2764

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
46KB

MD5
1427b0b7b2edbd29dfa03c3c8919cb18

SHA1
3333234ec4006c8691cb9e7346a16cf8cc2498cf

SHA256
2f7e76bfca404e766e73a537bda9bf348efba4699b1aac74413a4ea39613cc64

SHA512
c1434a5a604142e6870b735a7950a782b0ca54d3fd7ce18c044231964a7927e34bb2fb20ef9cb4935f92ab1013412bc990cf388322d83a28753af9382cf8d417

Download Submit
memory/2320-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2320-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2320-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2764-16-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download