469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3

General

Target
469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe
Size 4.3MB
Sample241111-1tt2xaxfnd
SHA256 469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3
MD5 999a473b01a0a2f39cc87dbc05cd44b8
SHA1 12976d3e96fcc059021e96f9f56db59de16d6797
SHA512 bded04ead36e3d49c0f5c82b6ab16f1dd4494d31a14817857da748a082f80a83e19e06d00afc17e206cae57a03d108840bb1b621b0e48c42e813d288172e6635
SSDEEP 49152:9b9xieuzQq2YhkEGOiv1Yq1r7RISY4+jfC09VbGR0T1c0tkAxT66LV8kq160vA:7xg2YFGOD1c0tkStykq1604
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
380	sysx32.exe
2228	_469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe

Loads dropped DLL 2 IoCs

pid	Process
2300	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe
2300	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.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"	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.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	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe
File opened for modification	C:\Windows\SysWOW64\sysx32.exe	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.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	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 380	2300	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe	30
PID 2300 wrote to memory of 380	2300	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe	30
PID 2300 wrote to memory of 380	2300	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe	30
PID 2300 wrote to memory of 380	2300	469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe	30

C:\Users\Admin\AppData\Local\Temp\469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe
"C:\Users\Admin\AppData\Local\Temp\469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.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:2300
- 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:380
- C:\Users\Admin\AppData\Local\Temp\_469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe
  C:\Users\Admin\AppData\Local\Temp\_469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe
  2⤵
  - Executes dropped EXE
  PID:2228

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

_469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe

Path C:\Users\Admin\AppData\Local\Temp\_469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3.exe
Size 4.2MB
SHA256 8f855a32aafc2095b29c2a4dd8ca62f3dabe8e1a3e3d7ce2b18643085a33a0ee
MD5 f062fb92b294a0ac7649deda919d860d
SHA1 2a412b71a02df52c47e08b6b2fd27371ca51b46f
SHA512 3c28953064c302d941448e5006c0586234b16d19f43eb647c5da223ad21d616b1e4c677824e54983bf45a4abdf932cd857613e0096f3c70ffdbdf6cf37b8f201
SSDEEP 49152:k9xieuzQq2YhkEGOiv1Yq1r7RISY4+jfC09VbGR0T1c0tkAxT66LV8kq160vA:Qxg2YFGOD1c0tkStykq1604
MD5 SHA1 SHA512 SSDEEP

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sysx32.exe

Path C:\Windows\SysWOW64\sysx32.exe
Size 4.3MB
SHA256 469870bcbc6c92b7bfee9b747e1a8d35bb44a678c9140e351631bbdc2d1648e3
MD5 999a473b01a0a2f39cc87dbc05cd44b8
SHA1 12976d3e96fcc059021e96f9f56db59de16d6797
SHA512 bded04ead36e3d49c0f5c82b6ab16f1dd4494d31a14817857da748a082f80a83e19e06d00afc17e206cae57a03d108840bb1b621b0e48c42e813d288172e6635
SSDEEP 49152:9b9xieuzQq2YhkEGOiv1Yq1r7RISY4+jfC09VbGR0T1c0tkAxT66LV8kq160vA:7xg2YFGOD1c0tkStykq1604
MD5 SHA1 SHA512 SSDEEP

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memory/380-13-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/380-21-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/2300-0-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/2300-18-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/2300-11-0x0000000000320000-0x0000000000331000-memory.dmp

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memory/2300-10-0x0000000000320000-0x0000000000331000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads