e108ffcc8819ab60770be0d03404033e61cf906ec7706dd32946e680f0529cc8

General

Target

e108ffcc8819ab60770be0d03404033e61cf906ec7706dd32946e680f0529cc8.xls
Size

95KB
MD5

ee69306521debbe298d6a514e0d1a925
SHA1

88fabcefdf946096e1178eab7bb4cccbb850d41e
SHA256

e108ffcc8819ab60770be0d03404033e61cf906ec7706dd32946e680f0529cc8
SHA512

bc468296ddf82925dc620eff9baa6de0ba66edd076f242ccfe72e6b7bf545f82099d582d0cf4cd5d6038a16940b499ffba6fe5cfb9cf8edb49b8ed57be6d3985

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	4592	1976	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3472	1976	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4660	1976	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3888	1976	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

1976 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1976 EXCEL.EXE
1976 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1976 wrote to memory of 4592	1976	EXCEL.EXE	regsvr32.exe
PID 1976 wrote to memory of 4592	1976	EXCEL.EXE	regsvr32.exe
PID 1976 wrote to memory of 3472	1976	EXCEL.EXE	regsvr32.exe
PID 1976 wrote to memory of 3472	1976	EXCEL.EXE	regsvr32.exe
PID 1976 wrote to memory of 4660	1976	EXCEL.EXE	regsvr32.exe
PID 1976 wrote to memory of 4660	1976	EXCEL.EXE	regsvr32.exe
PID 1976 wrote to memory of 3888	1976	EXCEL.EXE	regsvr32.exe
PID 1976 wrote to memory of 3888	1976	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\e108ffcc8819ab60770be0d03404033e61cf906ec7706dd32946e680f0529cc8.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:1976

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4592

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3472

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4660

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3888

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/1976-117-0x00007FFDF6F50000-0x00007FFDF6F60000-memory.dmp

Filesize
64KB

Download
memory/1976-118-0x00007FFDF6F50000-0x00007FFDF6F60000-memory.dmp

Filesize
64KB

Download
memory/1976-119-0x00007FFDF6F50000-0x00007FFDF6F60000-memory.dmp

Filesize
64KB

Download
memory/1976-120-0x00007FFDF6F50000-0x00007FFDF6F60000-memory.dmp

Filesize
64KB

Download
memory/1976-129-0x00007FFDF4120000-0x00007FFDF4130000-memory.dmp

Filesize
64KB

Download
memory/1976-130-0x00007FFDF4120000-0x00007FFDF4130000-memory.dmp

Filesize
64KB

Download
memory/3472-268-0x0000000000000000-mapping.dmp

Download
memory/3888-272-0x0000000000000000-mapping.dmp

Download
memory/4592-267-0x0000000000000000-mapping.dmp

Download
memory/4660-269-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads