7bed4bc24e216f922d0e6ea345a537b39ed778b97729921525950d4404a385d1

Analysis

max time kernel
133s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 04:57

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General

Target

2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe
Size

34KB
MD5

b86e85c6fc775730470551a065311494
SHA1

f2f96c2f84aeafc5135d683acb8263413a637524
SHA256

7bed4bc24e216f922d0e6ea345a537b39ed778b97729921525950d4404a385d1
SHA512

432081d90c02d10d368c8e4c62a3b0322888c552ce0d5fc44c508e866003dda1a9556273509a8a4ef441bf14d30f986380497a8468cb930a7905fb966062fdfb
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoi0WlLYZAM9BWixN9x7K:b7o/2n1TCraU6GD1a4X0WlK59xfx7K

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2400	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	2024-10-12_b86e85c6fc775730470551a065311494_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	rewok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2100	2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe
2400	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2400	2100	2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe	30
PID 2100 wrote to memory of 2400	2100	2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe	30
PID 2100 wrote to memory of 2400	2100	2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe	30
PID 2100 wrote to memory of 2400	2100	2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_b86e85c6fc775730470551a065311494_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2100
- 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:2400

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
34KB

MD5
47041b8df6faaa2012feb95d19e7bbb4

SHA1
395655fc4e143876fddf08813879b8658e782b91

SHA256
255d56339df2a77c347dd5ba35d07681bdbf5c5713e85e29cc91973de6bdb949

SHA512
46870a7e16cbe9020d20ffc668569d3651417e398aa7898d30ffb039b1a28549b7d6ad2b691b0d4c6a93be92ccf7353f953e2af311472280450d722944460c16

Download Submit
memory/2100-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2100-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2100-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download