f68c09e320004f91bd5041923e32ce42f25710782e02e2c3ce7c90819bdc98c8

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.2788.15413.xlsm
Size 158KB
Sample210902-xd334abdb7
SHA256 f68c09e320004f91bd5041923e32ce42f25710782e02e2c3ce7c90819bdc98c8
MD5 1f30e3307152a738009666a6f3db4730
SHA1 2ea868294d024ca94059e5f5fa10d1a793fa4d3a
SHA512 9da1c8778434b87e889872420ef304b93cc09b370965644429bcd9f5d2102d1fb313f61cad702405d019086f1430d49b87ddc5a4cffb38670c370f2b3e42bcc6
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	2284	808	regsvr32.exe	66
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3476	808	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 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
808	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 3032	808	EXCEL.EXE	75
PID 808 wrote to memory of 3032	808	EXCEL.EXE	75
PID 808 wrote to memory of 2284	808	EXCEL.EXE	82
PID 808 wrote to memory of 2284	808	EXCEL.EXE	82
PID 808 wrote to memory of 3476	808	EXCEL.EXE	83
PID 808 wrote to memory of 3476	808	EXCEL.EXE	83

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.75982.2788.15413.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3032
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:2284
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:3476

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/808-114-0x00007FF76A4E0000-0x00007FF76DA96000-memory.dmp

Download

memory/808-115-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Download

memory/808-116-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Download

memory/808-117-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Download

memory/808-118-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Download

memory/808-121-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Download

memory/808-122-0x00007FF9FD870000-0x00007FF9FE95E000-memory.dmp

Download

memory/808-123-0x00007FF9FB970000-0x00007FF9FD865000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads