4988791030e07fa2fb737a05d410f4ff201870d40fb8a83b907ac4b362066bbc

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 14:30

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General

Target

2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe
Size

70KB
MD5

8e606f423a680cb344344753b8eb290f
SHA1

9cb665b6eff7533a72487676b692e719dc2d6dec
SHA256

4988791030e07fa2fb737a05d410f4ff201870d40fb8a83b907ac4b362066bbc
SHA512

23a17d27545a8b00259294631a37fa4a6d7cabfd6ab6279e70e3fbaa813146d588931f7ab91ffe16bce6a42c59d7c162215d5fd0af3ee5f86cc795c29e30de98
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEg:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7I

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2756	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1960	2024-09-01_8e606f423a680cb344344753b8eb290f_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	2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1960	2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe
2756	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2756	1960	2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe	30
PID 1960 wrote to memory of 2756	1960	2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe	30
PID 1960 wrote to memory of 2756	1960	2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe	30
PID 1960 wrote to memory of 2756	1960	2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-01_8e606f423a680cb344344753b8eb290f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2756

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

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

Filesize
70KB

MD5
be772dc2b42d961bb99131318b639d98

SHA1
67d916825ca705caee27dc18faef6fc788fd9cf6

SHA256
df98619efb1cd98973ff8d91d898ac38cf4e10f7710becadbfdb2258ddf7dae0

SHA512
9e95c7119ebe6c1ad2871e8d5844b948677ef9f9e35ca88ae67f2b25c7a2dd5b72cfbc18f795454c17d5fa110327634e5fa13cc4c811ee0f09f89e555b36f787

Download Submit
memory/1960-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1960-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1960-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2756-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download