f7fe0b64c09f0dc6a63f5fe3ea0ebf9e3329c06283a6a5843acae5c8ce5d51d2

General

Target
SecuriteInfo.com.Trojan.GenericKDZ.75982.2192.12096.xlsm
Size 158KB
Sample210902-xel6zaedhp
SHA256 f7fe0b64c09f0dc6a63f5fe3ea0ebf9e3329c06283a6a5843acae5c8ce5d51d2
MD5 5538c334e1930b981a0dd1ce22daca63
SHA1 49521d350ad5302f36905c73c9afbe90bfd80cea
SHA512 b8b2f8afc13e839eefa39224007cade750d08306b1a68def48e1cb571528b50aede2d7856175bd38a65f93ae1ffac13b46f8f3ccc3772e3418cf27b898b018f3
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	992	808	regsvr32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3396	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 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
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 3884	808	EXCEL.EXE	79
PID 808 wrote to memory of 3884	808	EXCEL.EXE	79
PID 808 wrote to memory of 992	808	EXCEL.EXE	83
PID 808 wrote to memory of 992	808	EXCEL.EXE	83
PID 808 wrote to memory of 3396	808	EXCEL.EXE	84
PID 808 wrote to memory of 3396	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.75982.2192.12096.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:3884
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz1.dll
  2⤵
  - Process spawned unexpected child process
  PID:992
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 ..\cexyz2.dll
  2⤵
  - Process spawned unexpected child process
  PID:3396

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/808-114-0x00007FF602780000-0x00007FF605D36000-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/808-121-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Download

memory/808-122-0x00007FF90C210000-0x00007FF90D2FE000-memory.dmp

Download

memory/808-123-0x00007FF90A260000-0x00007FF90C155000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads