64d92f79a2d87571d428b7b19ef4f5c1680c24c8952a2f46b84f217cfba19766

General

Target

?i=1itndulnv.xlsm
Size

46KB
MD5

363495acb4327435709de91edaef8338
SHA1

11ea485cddc9de2db0397f02f00a564a9468f032
SHA256

64d92f79a2d87571d428b7b19ef4f5c1680c24c8952a2f46b84f217cfba19766
SHA512

1502abfa4494c69541cbaf3f00b176f04a45802b35a0818f0a46cd229a99dd675a7b8746efa946ea37efd7305c18a00eaba4a48c251d19d084fcbf4e575cf10e

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://eles-tech.com/css/KzMysMqFMs/

xlm40.dropper

http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/

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	5048	2084	regsvr32.exe	80

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
2084	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE
2084	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 5048	2084	EXCEL.EXE	81
PID 2084 wrote to memory of 5048	2084	EXCEL.EXE	81
PID 2084 wrote to memory of 5048	2084	EXCEL.EXE	81

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\_i=1itndulnv.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
  2⤵
  - Process spawned unexpected child process
  PID:5048

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

C:\Users\Admin\xewn.dll

Filesize
677KB

MD5
e15f117276b3153d5b1dd3901e76931f

SHA1
bb395f34238382e3c441648a94a10f881bf4dc59

SHA256
d742595c4c90aa02771fcab5fb136e00da859386524ac11c301acdecd8f24136

SHA512
bb9c2e4ce067277b66ccd025cf91e074c5035264cd21c86023f6a3c10159d5ce76fba8cc23b5095e18c4d5cbc8b7118d4cb7d380937f1ab5b5344f4e33c14e90

Download Submit
memory/2084-130-0x00007FFA9B690000-0x00007FFA9B6A0000-memory.dmp

Filesize
64KB

Download
memory/2084-131-0x00007FFA9B690000-0x00007FFA9B6A0000-memory.dmp

Filesize
64KB

Download
memory/2084-132-0x00007FFA9B690000-0x00007FFA9B6A0000-memory.dmp

Filesize
64KB

Download
memory/2084-133-0x00007FFA9B690000-0x00007FFA9B6A0000-memory.dmp

Filesize
64KB

Download
memory/2084-134-0x00007FFA9B690000-0x00007FFA9B6A0000-memory.dmp

Filesize
64KB

Download
memory/2084-135-0x00007FFA990C0000-0x00007FFA990D0000-memory.dmp

Filesize
64KB

Download
memory/2084-136-0x00007FFA990C0000-0x00007FFA990D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads