7c77114823eff445c63efa63986bed8a8daf502f433a523ea1ff7d09843d7ab4

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 06:29

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General

Target

2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
Size

50KB
MD5

15c200490bdf824eac11892b523ae93f
SHA1

77ad50e398ede317150390dd506ac2325e2b70f4
SHA256

7c77114823eff445c63efa63986bed8a8daf502f433a523ea1ff7d09843d7ab4
SHA512

a6f2b67f81d1240fe17a20abf0250b123b9ee68ba8af5ed680834ae8ea4dcf9c5a54305d64a956cb6447877f72a9c23c7ed57919697ed506749dec074fa6aaae
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatshMd:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7X

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1548	hurok.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	2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1548	3044	2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe	82
PID 3044 wrote to memory of 1548	3044	2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe	82
PID 3044 wrote to memory of 1548	3044	2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_15c200490bdf824eac11892b523ae93f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1548

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\hurok.exe

Filesize
50KB

MD5
29c7e470ebd7a7929701a0d7138ae20f

SHA1
3b3aa525d067cd1f5b6df4eec9cdb3dfd0c23b83

SHA256
f28d7b942e136680fec1d38fb2c35b3b6e2a24e5518c9de6eae0609920fa9980

SHA512
8b7031f35735b8cdcf82bd356c41a918162fe7073bdf9919aeee5731f304b5dbb96ca593f77576f295c5131205baceb57ad92ae2f858373d50ba597fa965df75

Download Submit
memory/1548-19-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/3044-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3044-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3044-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download