46edb08cf155e4a16a9de99ab757f13db0f0476e71d5527e8a568a4b04d06f5d

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.24413.21962.xlsm
Size 158KB
Sample210902-xel6zabdd7
SHA256 46edb08cf155e4a16a9de99ab757f13db0f0476e71d5527e8a568a4b04d06f5d
MD5 84c7e762ad245bf0d33a93a3a453c310
SHA1 b0eed7e5e8fea1b0b1ef5686f2e60c99f569166b
SHA512 44563d4f5ec5263bf7dd02f534a70e15d6a3e0b55290e0f7ec8af42cad3e5e0c55d2dae1ed4342d5adf40c21cd23602de547e2172605efe85034b99b650ed7d4
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	1228	640	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1708	640	regsvr32.exe	66

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
640	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3128	640	EXCEL.EXE	76
PID 640 wrote to memory of 3128	640	EXCEL.EXE	76
PID 640 wrote to memory of 1228	640	EXCEL.EXE	81
PID 640 wrote to memory of 1228	640	EXCEL.EXE	81
PID 640 wrote to memory of 1708	640	EXCEL.EXE	82
PID 640 wrote to memory of 1708	640	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.75982.24413.21962.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3128
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:1228
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:1708

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/640-114-0x00007FF6F8100000-0x00007FF6FB6B6000-memory.dmp

Download

memory/640-115-0x00007FFD9F860000-0x00007FFD9F870000-memory.dmp

Download

memory/640-116-0x00007FFD9F860000-0x00007FFD9F870000-memory.dmp

Download

memory/640-117-0x00007FFD9F860000-0x00007FFD9F870000-memory.dmp

Download

memory/640-118-0x00007FFD9F860000-0x00007FFD9F870000-memory.dmp

Download

memory/640-121-0x00007FFD9F860000-0x00007FFD9F870000-memory.dmp

Download

memory/640-122-0x00007FFDBFCB0000-0x00007FFDC0D9E000-memory.dmp

Download

memory/640-123-0x00000179C3CA0000-0x00000179C5B95000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads