b1d2db539892482fe0a2ed5546c21563e738d413a0d3b47dd23d0656d9f953d2

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 01:03

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General

Target

6413a3b05e35b43347c0daa34bc1c885.exe
Size

362KB
MD5

6413a3b05e35b43347c0daa34bc1c885
SHA1

9da08721790f82b02c5c90a38eb0004263f0eaf6
SHA256

b1d2db539892482fe0a2ed5546c21563e738d413a0d3b47dd23d0656d9f953d2
SHA512

0ec6be2510395380e8dbc243d97f657698306998013832172c70fcea2c3b51817171d3e08ec8a8fa05ab6429e9dfff3d5f827160b3e3b65acec8143b462c11f2
SSDEEP

6144:f3Ll+NrqylPw5Aann0hgzsPy14S9QPCSNqHNcMBBS7pxxx:PLuqePWp0hgzGWOPBNqHNlwpxxx

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	6413a3b05e35b43347c0daa34bc1c885.exe

Executes dropped EXE 1 IoCs

pid	Process
3800	hvzjuscsvn.exe

Loads dropped DLL 1 IoCs

pid	Process
3800	hvzjuscsvn.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3184	940	WerFault.exe	57
1920	3800	WerFault.exe	98

Kills process with taskkill 1 IoCs

evasion

pid	Process
2876	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2108	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 3948	940	6413a3b05e35b43347c0daa34bc1c885.exe	92
PID 940 wrote to memory of 3948	940	6413a3b05e35b43347c0daa34bc1c885.exe	92
PID 940 wrote to memory of 3948	940	6413a3b05e35b43347c0daa34bc1c885.exe	92
PID 3948 wrote to memory of 2876	3948	cmd.exe	94
PID 3948 wrote to memory of 2876	3948	cmd.exe	94
PID 3948 wrote to memory of 2876	3948	cmd.exe	94
PID 3948 wrote to memory of 2108	3948	cmd.exe	97
PID 3948 wrote to memory of 2108	3948	cmd.exe	97
PID 3948 wrote to memory of 2108	3948	cmd.exe	97
PID 3948 wrote to memory of 3800	3948	cmd.exe	98
PID 3948 wrote to memory of 3800	3948	cmd.exe	98
PID 3948 wrote to memory of 3800	3948	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\6413a3b05e35b43347c0daa34bc1c885.exe
"C:\Users\Admin\AppData\Local\Temp\6413a3b05e35b43347c0daa34bc1c885.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 556
  2⤵
  - Program crash
  PID:3184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 940 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\6413a3b05e35b43347c0daa34bc1c885.exe" & start C:\Users\Admin\AppData\Local\HVZJUS~1.EXE -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3948
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 940
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2876
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2108
- - C:\Users\Admin\AppData\Local\hvzjuscsvn.exe
    C:\Users\Admin\AppData\Local\HVZJUS~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 464
      4⤵
      Program crash
      PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 940 -ip 940
1⤵
PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3800 -ip 3800
1⤵
PID:5004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\hvzjuscsvn.exe

Filesize
362KB

MD5
6413a3b05e35b43347c0daa34bc1c885

SHA1
9da08721790f82b02c5c90a38eb0004263f0eaf6

SHA256
b1d2db539892482fe0a2ed5546c21563e738d413a0d3b47dd23d0656d9f953d2

SHA512
0ec6be2510395380e8dbc243d97f657698306998013832172c70fcea2c3b51817171d3e08ec8a8fa05ab6429e9dfff3d5f827160b3e3b65acec8143b462c11f2

Download Submit
memory/940-0-0x0000000000D60000-0x0000000000D63000-memory.dmp

Filesize
12KB

Download
memory/940-1-0x0000000001000000-0x00000000010CA000-memory.dmp

Filesize
808KB

Download
memory/940-2-0x0000000000D40000-0x0000000000D42000-memory.dmp

Filesize
8KB

Download
memory/940-4-0x0000000001000000-0x00000000010CA000-memory.dmp

Filesize
808KB

Download
memory/3800-8-0x0000000000450000-0x0000000000452000-memory.dmp

Filesize
8KB

Download
memory/3800-10-0x0000000001000000-0x00000000010CA000-memory.dmp

Filesize
808KB

Download
memory/3800-14-0x0000000000450000-0x0000000000452000-memory.dmp

Filesize
8KB

Download