c997a8478c1f7df8a477e1f5d19015676542154d423e09716d3c8bce1c8d01dc

Analysis

max time kernel
129s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
17/07/2023, 17:56

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General

Target

a05b6f3a25e996_JC.exe
Size

64KB
MD5

a05b6f3a25e99639cc1c46c2a37e5d86
SHA1

3ebf4b4113b550407882dbf44359ad1205b5761e
SHA256

c997a8478c1f7df8a477e1f5d19015676542154d423e09716d3c8bce1c8d01dc
SHA512

ee7394b12996c1482c4cbd57f3a930992de2ee3ca07e1244167e9ac29b367833f5b1965f4f9b44de3ee1cee3f5ce82e17f6f82a1d1e7e38ea46ef4aafe7a619b
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xo3/nyxEJ:aq7tdgI2MyzNORQtOflIwoHNV2XBFV71

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-1-5-21-1420546310-613437930-2990200354-1000\Control Panel\International\Geo\Nation	a05b6f3a25e996_JC.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3352	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 3800 wrote to memory of 3352	3800	a05b6f3a25e996_JC.exe	86
PID 3800 wrote to memory of 3352	3800	a05b6f3a25e996_JC.exe	86
PID 3800 wrote to memory of 3352	3800	a05b6f3a25e996_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\a05b6f3a25e996_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a05b6f3a25e996_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3800
- 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:3352

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
64KB

MD5
0cb036035d1851c4d37579a595912cb5

SHA1
bddb30243ad6742765bc178c8e94e8b35ac9b64a

SHA256
6c7b7757e804399befe1efa78e69b9a2dd72ab11e416640b9326a924507f6a2f

SHA512
a22d25784c5c75179f77fb02fb7f61db02838eede89537a20b884302624ec04b44ac5fa1dc52d1cd119a1ced6e2bd34d56256ae97278e07ec2290d08f1bfb412

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

Filesize
64KB

MD5
0cb036035d1851c4d37579a595912cb5

SHA1
bddb30243ad6742765bc178c8e94e8b35ac9b64a

SHA256
6c7b7757e804399befe1efa78e69b9a2dd72ab11e416640b9326a924507f6a2f

SHA512
a22d25784c5c75179f77fb02fb7f61db02838eede89537a20b884302624ec04b44ac5fa1dc52d1cd119a1ced6e2bd34d56256ae97278e07ec2290d08f1bfb412

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

Filesize
64KB

MD5
0cb036035d1851c4d37579a595912cb5

SHA1
bddb30243ad6742765bc178c8e94e8b35ac9b64a

SHA256
6c7b7757e804399befe1efa78e69b9a2dd72ab11e416640b9326a924507f6a2f

SHA512
a22d25784c5c75179f77fb02fb7f61db02838eede89537a20b884302624ec04b44ac5fa1dc52d1cd119a1ced6e2bd34d56256ae97278e07ec2290d08f1bfb412

Download Submit
memory/3352-153-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/3800-133-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3800-134-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3800-135-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download