01bbca8e051825b2ffd03e14075977aa969c777991efc15fb55c01c98a05ab63

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.50.26215.xlsm
Size 158KB
Sample210902-xd5xpaedhl
SHA256 01bbca8e051825b2ffd03e14075977aa969c777991efc15fb55c01c98a05ab63
MD5 e6b4f7f82e3c64f14f3e519ee3cda1f2
SHA1 68e8c2e6955f8ad76787782a2defe9e584551f83
SHA512 a4601fafeb90e2740c37315ffd05ff6e079d15bab56dd4e5ccd2f5c740ee25dada656f5db2a4a85dc09933f3435c015ef3a8053685974b6a8fccd430e2928d1c
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	1036	752	regsvr32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3848	752	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	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 3616	752	EXCEL.EXE	76
PID 752 wrote to memory of 3616	752	EXCEL.EXE	76
PID 752 wrote to memory of 1036	752	EXCEL.EXE	83
PID 752 wrote to memory of 1036	752	EXCEL.EXE	83
PID 752 wrote to memory of 3848	752	EXCEL.EXE	84
PID 752 wrote to memory of 3848	752	EXCEL.EXE	84

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.75982.50.26215.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:3616
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:1036
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:3848

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/752-114-0x00007FF739EF0000-0x00007FF73D4A6000-memory.dmp

Download

memory/752-115-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Download

memory/752-116-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Download

memory/752-117-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Download

memory/752-118-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Download

memory/752-121-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Download

memory/752-122-0x00007FFA7A200000-0x00007FFA7B2EE000-memory.dmp

Download

memory/752-123-0x00000212D7CB0000-0x00000212D9BA5000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads