0fdebd51c10306d56bd1555cc2467ae166b662318767f4913f57c930dfb4be05

General

Target

0fdebd51c10306d56bd1555cc2467ae166b662318767f4913f57c930dfb4be05.xlsm
Size

84KB
MD5

07b04849e0e6e2eac4d82ddace0ff848
SHA1

7e9d3eeb8e71916eb8bae191df937bca616e0291
SHA256

0fdebd51c10306d56bd1555cc2467ae166b662318767f4913f57c930dfb4be05
SHA512

22a8c86f3f7db54c5eba2a292645f50efe658963ac896dd70d34b3e7864b0b10f7ade28c1d37ecc16dcd80900ea68b618369c36ad370f6bb9d022491e3b22e43

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://auto.lambolero.com/f1nygync/J18Keqh/

Signatures

Process spawned unexpected child process 1 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	1444	1120	rundll32.exe	68

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
1444	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3780	1444	WerFault.exe	72

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
1120	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe
3780	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	3780	WerFault.exe
Token: SeBackupPrivilege	3780	WerFault.exe
Token: SeDebugPrivilege	3780	WerFault.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1444	1120	EXCEL.EXE	72
PID 1120 wrote to memory of 1444	1120	EXCEL.EXE	72
PID 1120 wrote to memory of 1444	1120	EXCEL.EXE	72

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0fdebd51c10306d56bd1555cc2467ae166b662318767f4913f57c930dfb4be05.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\einl.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  PID:1444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 616
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3780

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/1120-115-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Filesize
64KB

Download
memory/1120-116-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Filesize
64KB

Download
memory/1120-117-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Filesize
64KB

Download
memory/1120-118-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Filesize
64KB

Download
memory/1120-119-0x00007FFDEE7B0000-0x00007FFDEE7C0000-memory.dmp

Filesize
64KB

Download
memory/1120-120-0x000001A9FFB10000-0x000001A9FFB12000-memory.dmp

Filesize
8KB

Download
memory/1120-121-0x000001A9FFB10000-0x000001A9FFB12000-memory.dmp

Filesize
8KB

Download
memory/1120-122-0x000001A9FFB10000-0x000001A9FFB12000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads