14f915c06337e4e5a46a3b76e50e7b11df28307517e4a4bf2d93ab2e6f5a4ca3

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.10180.25951.xlsm
Size 158KB
Sample210902-xd3sbsbda8
SHA256 14f915c06337e4e5a46a3b76e50e7b11df28307517e4a4bf2d93ab2e6f5a4ca3
MD5 bb10fd32347ca99fa212d70e2ef31f02
SHA1 6e5186aca4d11744690754ad58da31b55ae9d846
SHA512 08c0f822a6196fa5de4d2335c8c9820f2f29bc839a9686e2383e2263d5ad768097811f8266233f997dd989ef2fdf85feb5a97625fc6b9b2f9efc31a1dd3f069a
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	3932	3776	regsvr32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3224	3776	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\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
3776	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE
3776	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 1156	3776	EXCEL.EXE	76
PID 3776 wrote to memory of 1156	3776	EXCEL.EXE	76
PID 3776 wrote to memory of 3932	3776	EXCEL.EXE	82
PID 3776 wrote to memory of 3932	3776	EXCEL.EXE	82
PID 3776 wrote to memory of 3224	3776	EXCEL.EXE	83
PID 3776 wrote to memory of 3224	3776	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.75982.10180.25951.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1156
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:3932
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:3224

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/3776-115-0x00007FF68D720000-0x00007FF690CD6000-memory.dmp

Download

memory/3776-116-0x00007FFF16690000-0x00007FFF166A0000-memory.dmp

Download

memory/3776-117-0x00007FFF16690000-0x00007FFF166A0000-memory.dmp

Download

memory/3776-118-0x00007FFF16690000-0x00007FFF166A0000-memory.dmp

Download

memory/3776-119-0x00007FFF16690000-0x00007FFF166A0000-memory.dmp

Download

memory/3776-122-0x00007FFF16690000-0x00007FFF166A0000-memory.dmp

Download

memory/3776-123-0x00007FFF36CF0000-0x00007FFF37DDE000-memory.dmp

Download

memory/3776-124-0x00007FFF34DF0000-0x00007FFF36CE5000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads