1a6e57f7dc712c132d9a816baa7e47a73512aee73bba1a2809ddafee812a1789

General

Target

1a6e57f7dc712c132d9a816baa7e47a73512aee73bba1a2809ddafee812a1789.xls
Size

95KB
MD5

061374122e90b8ff215077e51c0fabc4
SHA1

5f6ff4788f34c3eca604197fc35f1d10f1bfedb5
SHA256

1a6e57f7dc712c132d9a816baa7e47a73512aee73bba1a2809ddafee812a1789
SHA512

a1d4bbb26374a2f9bdc02b3db0ae7a97a9936598569ab216ab07acd2399cbf60fe4ec3d440624f53f8b4dbd1614bd9527629c383b55406102fee6be4e911836d

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

Signatures

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	696	2356	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4392	2356	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1896	2356	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5108	2356	regsvr32.exe	EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

2356 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2356 wrote to memory of 696	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 696	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 4392	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 4392	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 1896	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 1896	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 5108	2356	EXCEL.EXE	regsvr32.exe
PID 2356 wrote to memory of 5108	2356	EXCEL.EXE	regsvr32.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\1a6e57f7dc712c132d9a816baa7e47a73512aee73bba1a2809ddafee812a1789.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2356

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:696

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4392

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:1896

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:5108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/696-263-0x0000000000000000-mapping.dmp

Download
memory/1896-265-0x0000000000000000-mapping.dmp

Download
memory/2356-117-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-118-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-119-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-120-0x00007FF7CABB0000-0x00007FF7CABC0000-memory.dmp

Filesize
64KB

Download
memory/2356-129-0x00007FF7C7040000-0x00007FF7C7050000-memory.dmp

Filesize
64KB

Download
memory/2356-130-0x00007FF7C7040000-0x00007FF7C7050000-memory.dmp

Filesize
64KB

Download
memory/4392-264-0x0000000000000000-mapping.dmp

Download
memory/5108-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads