61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14

General

Target

61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
Size

4.3MB
MD5

b77fa4c73cceed9c30a338e7a2f3cf40
SHA1

778ff440a4058f546601bf26a9ddae2128c26821
SHA256

61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14
SHA512

7aba752a29b05d677f390c0adf272fe4f8191c0b4cec9f03ed8bdc4aac93908b45ee242ec535f36f23a207a5adff2c362d0d71e7ed7592c5bbc6b0a5b7a62d25
SSDEEP

24576:9jf+QBJ3Hhv6zav/y2XQPLDttJxA5eyjSJWL2FxvNEtXcPCl9AuDF5zUPGLG5Sv8:9AavSLDjJeYykW8xvW9cPy9AuDzY

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2568	sysx32.exe
2996	_61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe

Loads dropped DLL 5 IoCs

pid	Process
2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
2344	Process not Found

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"	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.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	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
File opened for modification	C:\Windows\SysWOW64\sysx32.exe	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.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	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2568	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	30
PID 2540 wrote to memory of 2568	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	30
PID 2540 wrote to memory of 2568	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	30
PID 2540 wrote to memory of 2568	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	30
PID 2540 wrote to memory of 2996	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	31
PID 2540 wrote to memory of 2996	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	31
PID 2540 wrote to memory of 2996	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	31
PID 2540 wrote to memory of 2996	2540	61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe	31

C:\Users\Admin\AppData\Local\Temp\61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
"C:\Users\Admin\AppData\Local\Temp\61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.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:2540
- 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:2568
- C:\Users\Admin\AppData\Local\Temp\_61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
  C:\Users\Admin\AppData\Local\Temp\_61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe
  2⤵
  - Executes dropped EXE
  PID:2996

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

C:\Users\Admin\AppData\Local\Temp\_61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14N.exe

Filesize
4.3MB

MD5
f2a44185d5345b9925578bc22a00071e

SHA1
58686ca377ba056db37c449a27b3ee882d0d013c

SHA256
8e1e4e39dbef7499f30e80cb0fd4932ac8fb72354c732d251cf2797c3fc0f25e

SHA512
468e8de20e72d53ea448f940f40042c1e7c8f60871e0ae56a920ab11775c5bc9aff7152f26aa4fd074337a5a05d1bd9f016a1624ee4e73ce523d25ca21b42448

Download Submit
\Windows\SysWOW64\sysx32.exe

Filesize
4.3MB

MD5
b77fa4c73cceed9c30a338e7a2f3cf40

SHA1
778ff440a4058f546601bf26a9ddae2128c26821

SHA256
61592bac54270e8b528dbd347897a498810d389a8348cb77ac8afd5c61777d14

SHA512
7aba752a29b05d677f390c0adf272fe4f8191c0b4cec9f03ed8bdc4aac93908b45ee242ec535f36f23a207a5adff2c362d0d71e7ed7592c5bbc6b0a5b7a62d25

Download Submit
memory/2540-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2540-11-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2540-10-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2540-22-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2568-24-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads