a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557

General

Target

a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe
Size

977KB
MD5

616d023a69933b8b314ce406288a8037
SHA1

237dbbd97888e36be1b50a7f25e65fe61ba92fde
SHA256

a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557
SHA512

869e1f85f11382374ac547517c76e354396d21b39fcf6f04a245288a12c601f4f866497051ee6f59966ef4afb80fa58a7e886ee90af25a579935886bb3d30e9a
SSDEEP

12288:9jFBrB2B7CWnP7y8H+RNUDDvRP77+7qB3DWKtsm45Y:9jLYP/eR0u7C3D1tT45Y

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2732	sysx32.exe
2800	_a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe

Loads dropped DLL 3 IoCs

pid	Process
2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe
2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe
2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.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"	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.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	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe
File opened for modification	C:\Windows\SysWOW64\sysx32.exe	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.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	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2732	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	30
PID 2792 wrote to memory of 2732	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	30
PID 2792 wrote to memory of 2732	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	30
PID 2792 wrote to memory of 2732	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	30
PID 2792 wrote to memory of 2800	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	31
PID 2792 wrote to memory of 2800	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	31
PID 2792 wrote to memory of 2800	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	31
PID 2792 wrote to memory of 2800	2792	a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe	31

C:\Users\Admin\AppData\Local\Temp\a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe
"C:\Users\Admin\AppData\Local\Temp\a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.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:2792
- 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:2732
- C:\Users\Admin\AppData\Local\Temp\_a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe
  C:\Users\Admin\AppData\Local\Temp\_a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe
  2⤵
  - Executes dropped EXE
  PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\_a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557.exe

Filesize
948KB

MD5
aed4775df6b8e816423d99a9e41db24e

SHA1
70077733768b5191c764093a66cbf1134ddb5717

SHA256
5a51bd46c66e543ba1876c7adf9534afe16e554421094b2c4ed731e54afd63a2

SHA512
09b24548291cdb5a152a2441a7745e1721dc7e8eef6a7c55e06306f11f4a848526eeb91019d5bff90fe26ffdc5fb3bef8177d5052b8b4dbf4848495cad84c192

Download Submit
\Windows\SysWOW64\sysx32.exe

Filesize
977KB

MD5
616d023a69933b8b314ce406288a8037

SHA1
237dbbd97888e36be1b50a7f25e65fe61ba92fde

SHA256
a32172b134652404c0d15fa05e304f21aa6584666a1ff0fa49fc3f62a506d557

SHA512
869e1f85f11382374ac547517c76e354396d21b39fcf6f04a245288a12c601f4f866497051ee6f59966ef4afb80fa58a7e886ee90af25a579935886bb3d30e9a

Download Submit
memory/2732-20-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2792-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2792-11-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2792-10-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2792-19-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads