2efc154174376d13bd9d6977835328f264be0e876ea5388dabd59037c402699e

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.30298.5886.xlsm
Size 158KB
Sample210902-xd3sbsbda9
SHA256 2efc154174376d13bd9d6977835328f264be0e876ea5388dabd59037c402699e
MD5 67a06da42b36a518b46251cc1e22c77e
SHA1 8a0667e25943d2c347e6ccb56616fa405d4d755b
SHA512 b0aded86dd4506188ae58d190a45504f44bbf2cce0feef941d4fb5ddd3fcd3d529570f143f8a9203efaca14476f2e8408abb09865fd2a5a0f0baa4b8d8010214
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	3180	632	regsvr32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2756	632	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
632	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1004	632	EXCEL.EXE	77
PID 632 wrote to memory of 1004	632	EXCEL.EXE	77
PID 632 wrote to memory of 3180	632	EXCEL.EXE	82
PID 632 wrote to memory of 3180	632	EXCEL.EXE	82
PID 632 wrote to memory of 2756	632	EXCEL.EXE	83
PID 632 wrote to memory of 2756	632	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.75982.30298.5886.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:632
- 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:3180
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:2756

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/632-114-0x00007FF6C1CE0000-0x00007FF6C5296000-memory.dmp

Download

memory/632-115-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Download

memory/632-116-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Download

memory/632-117-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Download

memory/632-118-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Download

memory/632-119-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Download

memory/632-122-0x00007FFAE5560000-0x00007FFAE664E000-memory.dmp

Download

memory/632-123-0x00007FFAE3660000-0x00007FFAE5555000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads