5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/11/2024, 04:35

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General

Target
5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
Size 4.4MB
Sample241112-e7tgmsyjen
SHA256 5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3
MD5 f7f68dfe6cca77e0db825121a8aa5940
SHA1 8918bae90917d490bd2e656d002397c316981b97
SHA512 4fe81fb812f595cf04b4f464f019d47f1d12ca6ce987308dd653e9a1b5124217e1d43d5735e5e5ce43bfeb424d628bfbe820a1434c089d5847ddecc864daa063
SSDEEP 12288:9jlN3iwbihym2g7XO3LWUQfh4CoRQYZTWbDjJc9bk:9j1+gkE2fh4CoRX5SnW
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2284	sysx32.exe
2816	_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe

Loads dropped DLL 3 IoCs

pid	Process
2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe"	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\A:	sysx32.exe
File opened (read-only)	\??\B:	sysx32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sysx32.exe	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
File opened for modification	C:\Windows\SysWOW64\sysx32.exe	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
File created	C:\Windows\SysWOW64\sysx32.exe	sysx32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\7z.exe.tmp	sysx32.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe.tmp	sysx32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2968	wordpad.exe
2968	wordpad.exe
2968	wordpad.exe
2968	wordpad.exe
2968	wordpad.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2284	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	31
PID 2280 wrote to memory of 2284	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	31
PID 2280 wrote to memory of 2284	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	31
PID 2280 wrote to memory of 2284	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	31
PID 2280 wrote to memory of 2816	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	32
PID 2280 wrote to memory of 2816	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	32
PID 2280 wrote to memory of 2816	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	32
PID 2280 wrote to memory of 2816	2280	5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	32
PID 2816 wrote to memory of 2968	2816	_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	33
PID 2816 wrote to memory of 2968	2816	_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	33
PID 2816 wrote to memory of 2968	2816	_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe	33

C:\Users\Admin\AppData\Local\Temp\5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
"C:\Users\Admin\AppData\Local\Temp\5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\sysx32.exe
  C:\Windows\system32\sysx32.exe /scan
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops file in System32 directory
  - Drops file in Program Files directory
  PID:2284
- C:\Users\Admin\AppData\Local\Temp\_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
  C:\Users\Admin\AppData\Local\Temp\_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Program Files\Windows NT\Accessories\wordpad.exe
    "C:\Program Files\Windows NT\Accessories\wordpad.exe"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe

Path C:\Users\Admin\AppData\Local\Temp\_5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3N.exe
Size 4.3MB
SHA256 d69c59a550ed1b68d470b94affec70deeee6dad0fcf821eadf9e21b77dacfff8
MD5 3d33abc1c70db3a4562782955ba846f0
SHA1 057db92c6e972d45d1c62219464cc7514d5f0982
SHA512 7b22002d0b2bcc52d8b35cf66c43c6acbbea86546b9e35eea27e4f11f0b606b6f71eba0bdaddd28d1b64a8f08b74178f689ea5f34d954949e4634f7993797340
SSDEEP 12288:+N3iwbihym2g7XO3LWUQfh4CoRQYZTWbDjJc9bk:y+gkE2fh4CoRX5SnW
MD5 SHA1 SHA512 SSDEEP

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sysx32.exe

Path \Windows\SysWOW64\sysx32.exe
Size 4.4MB
SHA256 5564dc6499bf97b6f7f1da90051de10b06fe0fa41ce4aea648c5d0f0b2ad56b3
MD5 f7f68dfe6cca77e0db825121a8aa5940
SHA1 8918bae90917d490bd2e656d002397c316981b97
SHA512 4fe81fb812f595cf04b4f464f019d47f1d12ca6ce987308dd653e9a1b5124217e1d43d5735e5e5ce43bfeb424d628bfbe820a1434c089d5847ddecc864daa063
SSDEEP 12288:9jlN3iwbihym2g7XO3LWUQfh4CoRQYZTWbDjJc9bk:9j1+gkE2fh4CoRX5SnW
MD5 SHA1 SHA512 SSDEEP

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memory/2280-0-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/2280-11-0x0000000000220000-0x0000000000231000-memory.dmp

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memory/2280-10-0x0000000000220000-0x0000000000231000-memory.dmp

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memory/2280-19-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/2284-22-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/2968-20-0x0000000002170000-0x0000000002171000-memory.dmp

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memory/2968-23-0x0000000002170000-0x0000000002171000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads