1986f11c4b5a340f414945161f10ee2fea891bf5a51380e5c60198a7fba74fea

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2023, 16:49

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General

Target

b8133cd23e0339exeexeexeex.exe
Size

56KB
MD5

b8133cd23e0339622a9d309b26fc225e
SHA1

e3acd917e320e6f23f89b8a04b2c3b00c9ce5471
SHA256

1986f11c4b5a340f414945161f10ee2fea891bf5a51380e5c60198a7fba74fea
SHA512

f66806ba460ca66dfafdec5ca5cd648278d532edd4b257aa84601f2e9fa131b06b3c326a2eb081d9dc83f4a8cd143c3a9a98c1c66b05fe0c9aa605d8eca41f9e
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzp0oj67JC:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7U

Score

7^/10

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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	b8133cd23e0339exeexeexeex.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
4588	hurok.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4588	3936	b8133cd23e0339exeexeexeex.exe	85
PID 3936 wrote to memory of 4588	3936	b8133cd23e0339exeexeexeex.exe	85
PID 3936 wrote to memory of 4588	3936	b8133cd23e0339exeexeexeex.exe	85

C:\Users\Admin\AppData\Local\Temp\b8133cd23e0339exeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\b8133cd23e0339exeexeexeex.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:4588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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
7ccc1ae81be8f4553d3563be5534f89e

SHA1
31e7897bc17d6fdf256cafc3f793a7bd3882ddc4

SHA256
4d2b202b232754557b672e3c92c2fbcd33d410268d3dc8ed2720b034496eaca1

SHA512
605b3a904aff9ca4a024e5e1c18eaba40c9c23dc64b3cd502c01e1ba34cf3559dd64b66c8bd32060d4d9615e953635abcda11362616c929adea7ae0598ff620c

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

Filesize
57KB

MD5
7ccc1ae81be8f4553d3563be5534f89e

SHA1
31e7897bc17d6fdf256cafc3f793a7bd3882ddc4

SHA256
4d2b202b232754557b672e3c92c2fbcd33d410268d3dc8ed2720b034496eaca1

SHA512
605b3a904aff9ca4a024e5e1c18eaba40c9c23dc64b3cd502c01e1ba34cf3559dd64b66c8bd32060d4d9615e953635abcda11362616c929adea7ae0598ff620c

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

Filesize
57KB

MD5
7ccc1ae81be8f4553d3563be5534f89e

SHA1
31e7897bc17d6fdf256cafc3f793a7bd3882ddc4

SHA256
4d2b202b232754557b672e3c92c2fbcd33d410268d3dc8ed2720b034496eaca1

SHA512
605b3a904aff9ca4a024e5e1c18eaba40c9c23dc64b3cd502c01e1ba34cf3559dd64b66c8bd32060d4d9615e953635abcda11362616c929adea7ae0598ff620c

Download Submit
memory/3936-133-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/3936-134-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download