7e0b4b26bafd471703fac1db25b24936230aecad95732e66420184d717a111ee

Target

Invoice-5959498320211004.xlsb
Size

132KB
MD5

887bc475305003bdc34e671a2f3bd080
SHA1

7625f787be7479bf54addeff0ce7107cf0f59f23
SHA256

7e0b4b26bafd471703fac1db25b24936230aecad95732e66420184d717a111ee
SHA512

efb52e8c1fdf6e7cbc80b951220e25c78be0aad5c24b732696784b9b4d5d2c7a284df11fb0f524f64fa3f39a887069599c91f5233062d2aa8c01617104dd9ccd

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 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	3492	2544	wmic.exe	67
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2824	3628	mshta.exe	75
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3948	3628	rundll32.exe	75

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2544	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Invoice-5959498320211004.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2544
- C:\Windows\System32\Wbem\wmic.exe
  wmic process call create 'mshta C:\ProgramData\vlEUL.rtf'
  2⤵
  - Process spawned unexpected child process
  PID:3492

C:\Windows\system32\mshta.exe
mshta C:\ProgramData\vlEUL.rtf
1⤵
- Process spawned unexpected child process
PID:2824
- C:\Windows\system32\mshta.exe
  mshta C:\\ProgramData\penchs.rtf
  2⤵
  PID:612
- - C:\Windows\System32\Wbem\wmic.exe
    wmic process call create "rundll32.exe C:\\ProgramData\penchs.png HalGetVectorInput"
    3⤵
    PID:1152

C:\Windows\system32\rundll32.exe
rundll32.exe C:\\ProgramData\penchs.png HalGetVectorInput
1⤵
- Process spawned unexpected child process
PID:3948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2544-119-0x00000220E99A0000-0x00000220E99A2000-memory.dmp

Filesize
8KB

Download
memory/2544-121-0x00007FF9EE7F0000-0x00007FF9EE800000-memory.dmp

Filesize
64KB

Download
memory/2544-122-0x00000220E99A0000-0x00000220E99A2000-memory.dmp

Filesize
8KB

Download
memory/2544-128-0x00007FF9EB050000-0x00007FF9EB060000-memory.dmp

Filesize
64KB

Download
memory/2544-129-0x00007FF9EB050000-0x00007FF9EB060000-memory.dmp

Filesize
64KB

Download
memory/2544-120-0x00000220E99A0000-0x00000220E99A2000-memory.dmp

Filesize
8KB

Download
memory/2544-115-0x00007FF9EE7F0000-0x00007FF9EE800000-memory.dmp

Filesize
64KB

Download
memory/2544-118-0x00007FF9EE7F0000-0x00007FF9EE800000-memory.dmp

Filesize
64KB

Download
memory/2544-117-0x00007FF9EE7F0000-0x00007FF9EE800000-memory.dmp

Filesize
64KB

Download
memory/2544-116-0x00007FF9EE7F0000-0x00007FF9EE800000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads