feeb201d7b282cd4a90dab6c285fa658f0780e5906d5f2e76f96d90768f00aac

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.13819.31690.xlsm
Size 158KB
Sample210902-xd4dvsbdc7
SHA256 feeb201d7b282cd4a90dab6c285fa658f0780e5906d5f2e76f96d90768f00aac
MD5 39e32b9a4ea2c05c6f5aa2f5e3084195
SHA1 7237606738f595e6a9184880308a181a2821d205
SHA512 0ab3495a7ccaacb1e5b66688b6795ccf6cee14c2076f2d850f588d663c9ee38949a3ed95e4a75b05c7b18b5326b5db3829657cebbdcc4184251775afd3a7de6a
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	2288	900	regsvr32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1648	900	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
900	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 2132	900	EXCEL.EXE	78
PID 900 wrote to memory of 2132	900	EXCEL.EXE	78
PID 900 wrote to memory of 2288	900	EXCEL.EXE	83
PID 900 wrote to memory of 2288	900	EXCEL.EXE	83
PID 900 wrote to memory of 1648	900	EXCEL.EXE	84
PID 900 wrote to memory of 1648	900	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.75982.13819.31690.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2132
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:2288
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:1648

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/900-114-0x00007FF788800000-0x00007FF78BDB6000-memory.dmp

Download

memory/900-115-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Download

memory/900-116-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Download

memory/900-117-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Download

memory/900-118-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Download

memory/900-121-0x00007FFB7C310000-0x00007FFB7C320000-memory.dmp

Download

memory/900-122-0x00007FFB9C9A0000-0x00007FFB9DA8E000-memory.dmp

Download

memory/900-123-0x00007FFB9AAA0000-0x00007FFB9C995000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads