76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7

General

Target

76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
Size

4.4MB
MD5

dc9e939ee449d36161d925e7afb69370
SHA1

db34c1776b889984c34e037817ec64d827470a87
SHA256

76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7
SHA512

df1e3c15afcdc177950d4c7cfe154e5521b456c6dffbf1d339b6eb21efb70604fbbc13997dfe1f19d98957b9b150545969aa29a21a93a47335e48d79fab62109
SSDEEP

49152:99KfuPS3ELNjV7FZxEfOfOgwf099cPy9AuDzY:8m9pZxwgbcPy9AuDzY

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2908	sysx32.exe
1752	_76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
1212	Process not Found

Loads dropped DLL 4 IoCs

pid	Process
2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.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"	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.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	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
File opened for modification	C:\Windows\SysWOW64\sysx32.exe	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.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	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2908	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	31
PID 2404 wrote to memory of 2908	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	31
PID 2404 wrote to memory of 2908	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	31
PID 2404 wrote to memory of 2908	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	31
PID 2404 wrote to memory of 1752	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	32
PID 2404 wrote to memory of 1752	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	32
PID 2404 wrote to memory of 1752	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	32
PID 2404 wrote to memory of 1752	2404	76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe	32

C:\Users\Admin\AppData\Local\Temp\76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
"C:\Users\Admin\AppData\Local\Temp\76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.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:2404
- 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:2908
- C:\Users\Admin\AppData\Local\Temp\_76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
  C:\Users\Admin\AppData\Local\Temp\_76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe
  2⤵
  - Executes dropped EXE
  PID:1752

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\_76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7.exe

Filesize
4.3MB

MD5
b458c7fbd2e2ee9da07bda9840b2a498

SHA1
7a9fe26674ae3bed2376c6112777ac5b169acead

SHA256
66195b35fbee32100c4ded83f5a5112f6ea10b5861e9a0dd78bb695ddc725cea

SHA512
370163925a375c9151d37b71c3a7868ba11997be0aa029cff193bc8d82d66513d141cca47b88e6537133c77df5bf1dbc849901fe91041ce8920ea2284f6b18be

Download Submit
\Windows\SysWOW64\sysx32.exe

Filesize
4.4MB

MD5
dc9e939ee449d36161d925e7afb69370

SHA1
db34c1776b889984c34e037817ec64d827470a87

SHA256
76f37775c0d1683e029d131526fcb9e9cf594f2e4908a2ec00920ee2583f04f7

SHA512
df1e3c15afcdc177950d4c7cfe154e5521b456c6dffbf1d339b6eb21efb70604fbbc13997dfe1f19d98957b9b150545969aa29a21a93a47335e48d79fab62109

Download Submit
memory/2404-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2404-11-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2404-10-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2404-23-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2908-13-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2908-24-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads