f93bbad433e1d9c7a871e3186aa7ee41b5e5f9fc793cf1088fc0fb9782a95e57

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.29513.22912.xlsm
Size 158KB
Sample210902-xd334abdb8
SHA256 f93bbad433e1d9c7a871e3186aa7ee41b5e5f9fc793cf1088fc0fb9782a95e57
MD5 bc9133487674ebf1915083a482eea7f5
SHA1 b76bc55c9a13965cc7c27352e45f09e06da5c884
SHA512 ffd16d03cc47384ad25b59fa244c47c314a86d90c358534092d32dab4a6cff1dc8a4f12a678858b7496f6132f59fdffb4f6baf39b2034e21cb8fa3711953e815
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	384	808	regsvr32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	992	808	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 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 2240	808	EXCEL.EXE	78
PID 808 wrote to memory of 2240	808	EXCEL.EXE	78
PID 808 wrote to memory of 384	808	EXCEL.EXE	83
PID 808 wrote to memory of 384	808	EXCEL.EXE	83
PID 808 wrote to memory of 992	808	EXCEL.EXE	84
PID 808 wrote to memory of 992	808	EXCEL.EXE	84

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.75982.29513.22912.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:2240
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:384
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:992

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/808-114-0x00007FF637310000-0x00007FF63A8C6000-memory.dmp

Download

memory/808-115-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Download

memory/808-116-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Download

memory/808-117-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Download

memory/808-118-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Download

memory/808-119-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Download

memory/808-122-0x00007FF90C2D0000-0x00007FF90D3BE000-memory.dmp

Download

memory/808-123-0x00007FF90A3D0000-0x00007FF90C2C5000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads