84f105ff7a627fa0015cf451d72cb7451cde8161507b678095e0b228da29d3e5

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.24729.6045.xlsm
Size 158KB
Sample210902-xd4dvsedgp
SHA256 84f105ff7a627fa0015cf451d72cb7451cde8161507b678095e0b228da29d3e5
MD5 7535b657400a7e2526379d10c8864665
SHA1 4c75a018720ba3e9133aab47b6e85743777e5925
SHA512 790b7c4e1b52089f5500d7223e9e203e46da217c3f387be39df290e4c6128a9dac064d34b8933284d1d5e86f574fc9bb53babd13d68353a4b265c92deac0db64
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://biopaten.no/xeBP8Oj5/gg.html
xlm40.dropper
https://beartoothkawasaki.com/QJT19jhtwHt/gg.html

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1584	752	regsvr32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1552	752	regsvr32.exe	68

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
752	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE
752	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 2508	752	EXCEL.EXE	76
PID 752 wrote to memory of 2508	752	EXCEL.EXE	76
PID 752 wrote to memory of 1584	752	EXCEL.EXE	81
PID 752 wrote to memory of 1584	752	EXCEL.EXE	81
PID 752 wrote to memory of 1552	752	EXCEL.EXE	82
PID 752 wrote to memory of 1552	752	EXCEL.EXE	82

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.75982.24729.6045.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2508
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:1584
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/752-115-0x00007FF6B9D00000-0x00007FF6BD2B6000-memory.dmp

Download

memory/752-116-0x00007FFF3BDC0000-0x00007FFF3BDD0000-memory.dmp

Download

memory/752-117-0x00007FFF3BDC0000-0x00007FFF3BDD0000-memory.dmp

Download

memory/752-118-0x00007FFF3BDC0000-0x00007FFF3BDD0000-memory.dmp

Download

memory/752-119-0x00007FFF3BDC0000-0x00007FFF3BDD0000-memory.dmp

Download

memory/752-122-0x00007FFF3BDC0000-0x00007FFF3BDD0000-memory.dmp

Download

memory/752-123-0x00007FFF5CEF0000-0x00007FFF5DFDE000-memory.dmp

Download

memory/752-124-0x0000020B423E0000-0x0000020B442D5000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads