42fbaf403585e134900bccdf303bd34e03a37a1475fa81e6d21f04b18fece6d4

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.8659.16357.xlsm
Size 158KB
Sample210902-xd4dvsedgr
SHA256 42fbaf403585e134900bccdf303bd34e03a37a1475fa81e6d21f04b18fece6d4
MD5 c822d7b1051682f416fb8d6b880a61ce
SHA1 e5351e7ad7f046f9d4c670fa977c6bd9e37dec76
SHA512 1a253dee6bf24b5da4581491c7f0453b3debe7b938e1ee5f0833f933ffb4d89c0c943704e8c83bc895d5b787ac5056c711b1890c0b23caae1a709db18681d021
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	2132	900	regsvr32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1176	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 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 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
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 3588	900	EXCEL.EXE	76
PID 900 wrote to memory of 3588	900	EXCEL.EXE	76
PID 900 wrote to memory of 2132	900	EXCEL.EXE	82
PID 900 wrote to memory of 2132	900	EXCEL.EXE	82
PID 900 wrote to memory of 1176	900	EXCEL.EXE	83
PID 900 wrote to memory of 1176	900	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.75982.8659.16357.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:3588
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:2132
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:1176

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/900-115-0x00007FF7399C0000-0x00007FF73CF76000-memory.dmp

Download

memory/900-116-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Download

memory/900-117-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Download

memory/900-118-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Download

memory/900-119-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Download

memory/900-122-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Download

memory/900-123-0x00007FFACD100000-0x00007FFACE1EE000-memory.dmp

Download

memory/900-124-0x00007FFACB200000-0x00007FFACD0F5000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads