3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699

General

Target

3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
Size

2.2MB
MD5

3e9ede6702da0ae747bcf965791b01f0
SHA1

5eec64c64d27fcd60fc64d3b664bd46dc81f0b3c
SHA256

3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699
SHA512

4e7302935f8e8c2065e6f9e6ef0619791d94e9c88b910c61e2a6b66a4fa1227ef39afa7eaf940baa68e1032acefa35daea4e779cebe79d81471cd8700131a5f0
SSDEEP

24576:9jX0sDOagkE2fh4Co0te+4MGwAvcrCVcPM9W4OnkSCIpUlZXUbOpz:9osDOagkEaSoecXpUlZX3pz

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2452	sysx32.exe
1336	_3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe

Loads dropped DLL 3 IoCs

pid	Process
3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.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"	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.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 opened for modification	C:\Windows\SysWOW64\sysx32.exe	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
File created	C:\Windows\SysWOW64\sysx32.exe	sysx32.exe
File created	C:\Windows\SysWOW64\sysx32.exe	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.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 2 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	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2452	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	31
PID 3016 wrote to memory of 2452	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	31
PID 3016 wrote to memory of 2452	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	31
PID 3016 wrote to memory of 2452	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	31
PID 3016 wrote to memory of 1336	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	32
PID 3016 wrote to memory of 1336	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	32
PID 3016 wrote to memory of 1336	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	32
PID 3016 wrote to memory of 1336	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	32
PID 3016 wrote to memory of 1336	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	32
PID 3016 wrote to memory of 1336	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	32
PID 3016 wrote to memory of 1336	3016	3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe	32

C:\Users\Admin\AppData\Local\Temp\3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
"C:\Users\Admin\AppData\Local\Temp\3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.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:3016
- 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:2452
- C:\Users\Admin\AppData\Local\Temp\_3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
  C:\Users\Admin\AppData\Local\Temp\_3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1336

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\_3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699N.exe

Filesize
2.2MB

MD5
e006924867d47025bb3dcd7f09b1fc9b

SHA1
6aff1b1ef24d79c6845f3782feefa6ecf1248904

SHA256
d66915dc3f5225a4a65799a1a3c313ff957e667d6c34b4eb20ea102500b596bd

SHA512
7adf57348257cfd328ae909ad44331d0102e809aecff6122369af37c98239b2c662b3b4b7a0f9f85d2a4215a978244dd5029be3c08faa0762e3265d76920a6b5

Download Submit
\Windows\SysWOW64\sysx32.exe

Filesize
2.2MB

MD5
3e9ede6702da0ae747bcf965791b01f0

SHA1
5eec64c64d27fcd60fc64d3b664bd46dc81f0b3c

SHA256
3b4a102a4080949efe2cd015e1c9c417f08ec5d3522fa0c679873cc11e9a0699

SHA512
4e7302935f8e8c2065e6f9e6ef0619791d94e9c88b910c61e2a6b66a4fa1227ef39afa7eaf940baa68e1032acefa35daea4e779cebe79d81471cd8700131a5f0

Download Submit
memory/2452-21-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3016-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3016-11-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/3016-10-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/3016-20-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads