e7ba76f422b87759d5017846f3aeb8296aeb4b223030cdc77863dfac05861a4f

Analysis

max time kernel
142s
max time network
137s
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, 18:14

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General

Target

a2a51c64185779_JC.exe
Size

63KB
MD5

a2a51c64185779aaa4b4d26151372428
SHA1

67e5132e3b0c2c631df4ee767fa6247efad7e67a
SHA256

e7ba76f422b87759d5017846f3aeb8296aeb4b223030cdc77863dfac05861a4f
SHA512

648715634dd732235dfbcef17b5c1396e5c14bf1f8ac390deea0349a30f701c81bccc99bd484be4b3991249fc44760664d52e6045e4a9c91420efa72fd3bdaff
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xo3/nyxEA:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7s

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-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation	hurok.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation	a2a51c64185779_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4928	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 3256 wrote to memory of 4928	3256	a2a51c64185779_JC.exe	85
PID 3256 wrote to memory of 4928	3256	a2a51c64185779_JC.exe	85
PID 3256 wrote to memory of 4928	3256	a2a51c64185779_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\a2a51c64185779_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a2a51c64185779_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3256
- 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:4928

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
63KB

MD5
6ba3dbe97c832d288d3d3498ce6efd46

SHA1
df9d1059376ba18ab80cb23028564979dedc1de2

SHA256
7301dedc407ea7cdaf7893ff130c762b62b6d25d005d3a27a309bc3f7afc8849

SHA512
5ce3419dc419df1931298664c431c0b287cf411ad2dd7a6cacebe36f99ee4d11a48e842936e83a20872274d04b8fee12bd87f4c9ae53fdb7b863865d1724f238

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

Filesize
63KB

MD5
6ba3dbe97c832d288d3d3498ce6efd46

SHA1
df9d1059376ba18ab80cb23028564979dedc1de2

SHA256
7301dedc407ea7cdaf7893ff130c762b62b6d25d005d3a27a309bc3f7afc8849

SHA512
5ce3419dc419df1931298664c431c0b287cf411ad2dd7a6cacebe36f99ee4d11a48e842936e83a20872274d04b8fee12bd87f4c9ae53fdb7b863865d1724f238

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

Filesize
63KB

MD5
6ba3dbe97c832d288d3d3498ce6efd46

SHA1
df9d1059376ba18ab80cb23028564979dedc1de2

SHA256
7301dedc407ea7cdaf7893ff130c762b62b6d25d005d3a27a309bc3f7afc8849

SHA512
5ce3419dc419df1931298664c431c0b287cf411ad2dd7a6cacebe36f99ee4d11a48e842936e83a20872274d04b8fee12bd87f4c9ae53fdb7b863865d1724f238

Download Submit
memory/3256-133-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/3256-134-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/3256-135-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4928-152-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download