38e3330639304fb6f748ffd7d20f5ecbbe3e7d4954e97ee990682b3fcc516091

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 03:37

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General

Target

2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe
Size

57KB
MD5

59465cb0591b0639988209452067cc8c
SHA1

882c0b3b71ff7d1b6f7505cbd03a88a573f05380
SHA256

38e3330639304fb6f748ffd7d20f5ecbbe3e7d4954e97ee990682b3fcc516091
SHA512

6732a6ae9d36bfefe82e033dd7d6fa5f51be35cffd4431c8f3bde4412748a606f7e1c7e61f371ff8955773213cef8d3d824dd89228412ff2b129d79ec5620b63
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6Ecm:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7I

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2272	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2084	2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe

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	2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2084	2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe
2272	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2272	2084	2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe	30
PID 2084 wrote to memory of 2272	2084	2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe	30
PID 2084 wrote to memory of 2272	2084	2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe	30
PID 2084 wrote to memory of 2272	2084	2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_59465cb0591b0639988209452067cc8c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2084
- 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:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
57KB

MD5
61047ca559410bfb0e46886d2b78402d

SHA1
d65166fc5295eb15c9b4b72ec513d2bf33bef6a6

SHA256
c2b845c4a578cf792f9610877e32328f4eb9850b2833eea09eb957351beabb35

SHA512
320b472ab43e86c7bcd08df3e54f15bd6c506431cc3450ecb06491df78f17c58594b253d553804d78613d92acf61905e5086002c361fea451e8dea2a65a88e31

Download Submit
memory/2084-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2084-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2084-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2272-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download