cee52cea1d85083b781607bbe9752269f9336e23cd58a37f3f588fbfab9256a8

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.20865.9776.xlsm
Size 158KB
Sample210902-xd4dvsbdc4
SHA256 cee52cea1d85083b781607bbe9752269f9336e23cd58a37f3f588fbfab9256a8
MD5 ca7ed00659b9a1d7f17a9fef6e55718e
SHA1 5c1af52e2f6c17a3ec6878431f8303e93673ef98
SHA512 d84d6bf923c64acc56e012048f158cdf257e87dfc0af4ce95b00a961715c545f4edfa394c6d55c6d6eab560e7e07b0bd9656a636fcdf56099866a35d511cf2b2
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	2352	3668	regsvr32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2428	3668	regsvr32.exe	67

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
3668	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE
3668	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 208	3668	EXCEL.EXE	76
PID 3668 wrote to memory of 208	3668	EXCEL.EXE	76
PID 3668 wrote to memory of 2352	3668	EXCEL.EXE	80
PID 3668 wrote to memory of 2352	3668	EXCEL.EXE	80
PID 3668 wrote to memory of 2428	3668	EXCEL.EXE	81
PID 3668 wrote to memory of 2428	3668	EXCEL.EXE	81

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.75982.20865.9776.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:208
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:2352
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:2428

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

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Downloads

memory/3668-115-0x00007FF740B40000-0x00007FF7440F6000-memory.dmp

Download

memory/3668-116-0x00007FFD89D80000-0x00007FFD89D90000-memory.dmp

Download

memory/3668-117-0x00007FFD89D80000-0x00007FFD89D90000-memory.dmp

Download

memory/3668-118-0x00007FFD89D80000-0x00007FFD89D90000-memory.dmp

Download

memory/3668-119-0x00007FFD89D80000-0x00007FFD89D90000-memory.dmp

Download

memory/3668-123-0x00007FFD89D80000-0x00007FFD89D90000-memory.dmp

Download

memory/3668-122-0x00007FFDAADE0000-0x00007FFDABECE000-memory.dmp

Download

memory/3668-124-0x00007FFDA8EE0000-0x00007FFDAADD5000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads