6ac451d8bd20cbc954688deda6d9b4f54167a8231ee8a1e4e2db825c93c94fab

General

Target

6ac451d8bd20cbc954688deda6d9b4f54167a8231ee8a1e4e2db825c93c94fab.xls
Size

95KB
MD5

c550c3b224260123f507cf0d8889682f
SHA1

5ae1d185b0b1e12c1b5585c7b2678f40892e64a5
SHA256

6ac451d8bd20cbc954688deda6d9b4f54167a8231ee8a1e4e2db825c93c94fab
SHA512

1e991f592a7daf3ef73f7aab73406c4d842f1b6ce19a25a51349f82946718e3fc41ab1b050292dd4ef4ca0096ab0f458c2b175ea63d1537b0007c294e9e959bc

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	2008	2548	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3872	2548	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3928	2548	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3908	2548	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

2548 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2548 EXCEL.EXE
2548 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE
2548	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2548 wrote to memory of 2008	2548	EXCEL.EXE	regsvr32.exe
PID 2548 wrote to memory of 2008	2548	EXCEL.EXE	regsvr32.exe
PID 2548 wrote to memory of 3872	2548	EXCEL.EXE	regsvr32.exe
PID 2548 wrote to memory of 3872	2548	EXCEL.EXE	regsvr32.exe
PID 2548 wrote to memory of 3928	2548	EXCEL.EXE	regsvr32.exe
PID 2548 wrote to memory of 3928	2548	EXCEL.EXE	regsvr32.exe
PID 2548 wrote to memory of 3908	2548	EXCEL.EXE	regsvr32.exe
PID 2548 wrote to memory of 3908	2548	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\6ac451d8bd20cbc954688deda6d9b4f54167a8231ee8a1e4e2db825c93c94fab.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2008

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3872

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3928

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3908

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/2008-252-0x0000000000000000-mapping.dmp

Download
memory/2548-118-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/2548-119-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/2548-120-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/2548-121-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/2548-130-0x00007FFE88BE0000-0x00007FFE88BF0000-memory.dmp

Filesize
64KB

Download
memory/2548-131-0x00007FFE88BE0000-0x00007FFE88BF0000-memory.dmp

Filesize
64KB

Download
memory/3872-253-0x0000000000000000-mapping.dmp

Download
memory/3908-257-0x0000000000000000-mapping.dmp

Download
memory/3928-254-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads