c29d6836008d2d611979333d19f873b367715ad21041e32530b287908b30fb60

General

Target

c29d6836008d2d611979333d19f873b367715ad21041e32530b287908b30fb60.xls
Size

95KB
MD5

7542f0e5362b001c791769c33257587e
SHA1

356ab69febf9e6b0d809e39ff5bb97860982b629
SHA256

c29d6836008d2d611979333d19f873b367715ad21041e32530b287908b30fb60
SHA512

d20d32992c50492caa89e1289a9a4c6709c8c491e7cd474f5f073a8c40ec5458f00e6e028001e5a4dded7edbbc8fedcd60f7696dc537551558a0d3ab62ed9c6e

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	3496	2628	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4956	2628	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4296	2628	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4880	2628	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

2628 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE
2628	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2628 wrote to memory of 3496	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 3496	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4956	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4956	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4296	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4296	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4880	2628	EXCEL.EXE	regsvr32.exe
PID 2628 wrote to memory of 4880	2628	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\c29d6836008d2d611979333d19f873b367715ad21041e32530b287908b30fb60.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3496

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4956

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4296

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4880

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/2628-117-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-118-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-119-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-120-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-121-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmp

Filesize
64KB

Download
memory/2628-130-0x00007FFF9F980000-0x00007FFF9F990000-memory.dmp

Filesize
64KB

Download
memory/2628-131-0x00007FFF9F980000-0x00007FFF9F990000-memory.dmp

Filesize
64KB

Download
memory/3496-264-0x0000000000000000-mapping.dmp

Download
memory/4296-266-0x0000000000000000-mapping.dmp

Download
memory/4880-269-0x0000000000000000-mapping.dmp

Download
memory/4956-265-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads