66318912cbdcd2492064cffa55c9884e1c10acc3b3c44da83566fda7289f0272

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 05:26

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General

Target

2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe
Size

36KB
MD5

8ce9c97c935030163017fb264dd62b16
SHA1

500596fcea8c9c0610e02777ce6e146e0f18d44d
SHA256

66318912cbdcd2492064cffa55c9884e1c10acc3b3c44da83566fda7289f0272
SHA512

2eb2e2d6135745ab1d8bb7bf798b363708fda255c8038681b3c2b6b2b58b047e09f3a8f8ba15baba7ee61348cfb8068ebd35c5b09d3db2f0d4355047a082ed1e
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzorwI62tH/PN/uTIRpFKQU:b7o/2n1TCraU6GD1a4Xcn62tH/1/LpFm

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4368	rewok.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	2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 4368	3868	2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe	83
PID 3868 wrote to memory of 4368	3868	2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe	83
PID 3868 wrote to memory of 4368	3868	2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_8ce9c97c935030163017fb264dd62b16_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3868
- 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
  PID:4368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\rewok.exe

Filesize
36KB

MD5
6cbc0904ce59fb555b73d8ef1ccf2819

SHA1
09a31c357a396437e12e9c058ef8a2775e57d593

SHA256
2ef43218347e4d9c80d754b90dd10d59b5de237e05afd1814064137c9a5d8559

SHA512
3b3257e02b622689abd3a075323f499f2a1e563a1dd409274bc77d179a11fe1f68f42db3f066fe68e7b2e3178dc25741152a56d5d7449af83debd007cf7f4f9d

Download Submit
memory/3868-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3868-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3868-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4368-25-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download