7dd062bb77a2a6a3c5d38c2a078faa8b06c1b31b90874472b53b9b27f931a81e

General

Target

7dd062bb77a2a6a3c5d38c2a078faa8b06c1b31b90874472b53b9b27f931a81e.xls
Size

95KB
MD5

1888a5cfb2293aec9c29872dc1e62239
SHA1

06dbffbcd6136fe406a84c14646d4a9200b0b9ea
SHA256

7dd062bb77a2a6a3c5d38c2a078faa8b06c1b31b90874472b53b9b27f931a81e
SHA512

5dd6ea157219040c5459ffe5a370057d6c915fa5ff098a7e4e8217128cdb32da6b4e85b8c904117835dd328f6e10bd1bb2845dde8dbb775dd30518d9a8b3a5db

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	3672	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3708	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3596	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4740	2864	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

2864 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2864 wrote to memory of 3672	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3672	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3708	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3708	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3596	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3596	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 4740	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 4740	2864	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\7dd062bb77a2a6a3c5d38c2a078faa8b06c1b31b90874472b53b9b27f931a81e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2864

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3672

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3708

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3596

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4740

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/2864-114-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-115-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-116-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-117-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-126-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/2864-127-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/3596-272-0x0000000000000000-mapping.dmp

Download
memory/3672-270-0x0000000000000000-mapping.dmp

Download
memory/3708-271-0x0000000000000000-mapping.dmp

Download
memory/4740-277-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads