760f80c2a24a90923619b26ef371f029e14a34a783499333c13f3e4da997108f

General

Target

760f80c2a24a90923619b26ef371f029e14a34a783499333c13f3e4da997108f.xls
Size

95KB
MD5

96acb61158e6230604b9579169970595
SHA1

a0ac1584cca884177583072d9ac6e26b55d14667
SHA256

760f80c2a24a90923619b26ef371f029e14a34a783499333c13f3e4da997108f
SHA512

03ae08997568d9a122cffcf827c5cedb28cf4961a3b49d1e431fd43b37cc864997b99a6123a26017276d6e95be335f0122ec859309b6387d9fc03e8b8da2f68b

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	4972	2720	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4992	2720	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5012	2720	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5088	2720	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 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

Processes:

EXCEL.EXE

pid process

2720 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2720 wrote to memory of 4972	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 4972	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 4992	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 4992	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5012	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5012	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5088	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5088	2720	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\760f80c2a24a90923619b26ef371f029e14a34a783499333c13f3e4da997108f.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4972

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4992

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:5012

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:5088

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/2720-118-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-119-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-120-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-121-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-130-0x00007FF9E1EA0000-0x00007FF9E1EB0000-memory.dmp

Filesize
64KB

Download
memory/2720-131-0x00007FF9E1EA0000-0x00007FF9E1EB0000-memory.dmp

Filesize
64KB

Download
memory/4972-274-0x0000000000000000-mapping.dmp

Download
memory/4992-275-0x0000000000000000-mapping.dmp

Download
memory/5012-276-0x0000000000000000-mapping.dmp

Download
memory/5088-279-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads