229bdca5ed7088cbb35b68f2fb852a1e40d7960da5e69751d30381c5920f65fd

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 07:59

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General

Target

2024-08-29_dae5f1fe31b7e255a810ffe34237312b_cryptolocker.exe
Size

69KB
MD5

dae5f1fe31b7e255a810ffe34237312b
SHA1

c02f8e06bec75d823c82c49f6765e27e13ba6095
SHA256

229bdca5ed7088cbb35b68f2fb852a1e40d7960da5e69751d30381c5920f65fd
SHA512

879c2688c142a153649c10f298d4f132c8dc9aa510b932357f6446cb38cd4596fa283d6dae9893fdea5404057a736408e063ecc57cfc1b9d3969beb44d5d8f91
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF299N2UYK:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7N

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-08-29_dae5f1fe31b7e255a810ffe34237312b_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1960	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	2024-08-29_dae5f1fe31b7e255a810ffe34237312b_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 1076 wrote to memory of 1960	1076	2024-08-29_dae5f1fe31b7e255a810ffe34237312b_cryptolocker.exe	84
PID 1076 wrote to memory of 1960	1076	2024-08-29_dae5f1fe31b7e255a810ffe34237312b_cryptolocker.exe	84
PID 1076 wrote to memory of 1960	1076	2024-08-29_dae5f1fe31b7e255a810ffe34237312b_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-29_dae5f1fe31b7e255a810ffe34237312b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_dae5f1fe31b7e255a810ffe34237312b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076
- 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:1960

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
69KB

MD5
f7ef990cc3c4a34482ec9bc67922a745

SHA1
7f82506deaa26ac67c5750e2e5006d48a4690d6b

SHA256
e978e02fedc908f788bb11abfd67033856de937dff90cc00013afc669f41e776

SHA512
15e4ba113f58d51fb036389bb17a3369be013ac483a7c7c4252b749cb4ca62ba9394c37f7c07e287540b9df1b3489e1b5bf36b148164f7f0093a68413e4a9d97

Download Submit
memory/1076-0-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1076-1-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1076-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1960-19-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download