cfa0fe012f82f993ed70fa3ddc9ff1e31501686b723107d4e3cd1de5794722ee

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.20814.32565.xlsm
Size 158KB
Sample210902-xd334abdb5
SHA256 cfa0fe012f82f993ed70fa3ddc9ff1e31501686b723107d4e3cd1de5794722ee
MD5 3577e6a16514d58409f6756fff740332
SHA1 7369118f653a2ee4aacf6d8bc88b42d82946279f
SHA512 e70d32a4af8cb6fd83f610712ce49542f3fe8382fc97594bbee9250cd2aa2145f1e33146174165bee3ad1f01ba492b9788d23b94dbe3c649926593cc81d7d355
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	3580	4560	regsvr32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4152	4560	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 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
4560	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE
4560	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 1004	4560	EXCEL.EXE	76
PID 4560 wrote to memory of 1004	4560	EXCEL.EXE	76
PID 4560 wrote to memory of 3580	4560	EXCEL.EXE	81
PID 4560 wrote to memory of 3580	4560	EXCEL.EXE	81
PID 4560 wrote to memory of 4152	4560	EXCEL.EXE	82
PID 4560 wrote to memory of 4152	4560	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.75982.20814.32565.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1004
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:3580
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:4152

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/4560-115-0x00007FF7DA390000-0x00007FF7DD946000-memory.dmp

Download

memory/4560-116-0x00007FFB85C40000-0x00007FFB85C50000-memory.dmp

Download

memory/4560-117-0x00007FFB85C40000-0x00007FFB85C50000-memory.dmp

Download

memory/4560-118-0x00007FFB85C40000-0x00007FFB85C50000-memory.dmp

Download

memory/4560-119-0x00007FFB85C40000-0x00007FFB85C50000-memory.dmp

Download

memory/4560-122-0x00007FFB85C40000-0x00007FFB85C50000-memory.dmp

Download

memory/4560-123-0x00007FFBA61F0000-0x00007FFBA72DE000-memory.dmp

Download

memory/4560-124-0x0000020210F80000-0x0000020212E75000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads