7168e0f8151f5778ad9c36a810085018ac38782eb5ba543bdf2c49a298b15a51

General

Target

7168e0f8151f5778ad9c36a810085018ac38782eb5ba543bdf2c49a298b15a51.xls
Size

95KB
MD5

85b3f0c6ef7ef4b2b8136fd77682cd00
SHA1

a0003fda878b76e90304953f3084bf00fa24ae1c
SHA256

7168e0f8151f5778ad9c36a810085018ac38782eb5ba543bdf2c49a298b15a51
SHA512

a18056d2052ecf5eb3476b81adf4696d854d60a6f67576ca8091de5d977e8d24af66270b11ec2130285b932935367a7ee07cb810d525982c026cd41d1ed0d1bb

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	4892	2532	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3392	2532	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2656	2532	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4628	2532	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2532 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2532 EXCEL.EXE
2532 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2532 wrote to memory of 4892	2532	EXCEL.EXE	regsvr32.exe
PID 2532 wrote to memory of 4892	2532	EXCEL.EXE	regsvr32.exe
PID 2532 wrote to memory of 3392	2532	EXCEL.EXE	regsvr32.exe
PID 2532 wrote to memory of 3392	2532	EXCEL.EXE	regsvr32.exe
PID 2532 wrote to memory of 2656	2532	EXCEL.EXE	regsvr32.exe
PID 2532 wrote to memory of 2656	2532	EXCEL.EXE	regsvr32.exe
PID 2532 wrote to memory of 4628	2532	EXCEL.EXE	regsvr32.exe
PID 2532 wrote to memory of 4628	2532	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\7168e0f8151f5778ad9c36a810085018ac38782eb5ba543bdf2c49a298b15a51.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:2532

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4892

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3392

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2656

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4628

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2532-118-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2532-119-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2532-120-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2532-121-0x00007FFC601A0000-0x00007FFC601B0000-memory.dmp

Filesize
64KB

Download
memory/2532-130-0x00007FFC5CA30000-0x00007FFC5CA40000-memory.dmp

Filesize
64KB

Download
memory/2532-131-0x00007FFC5CA30000-0x00007FFC5CA40000-memory.dmp

Filesize
64KB

Download
memory/2656-254-0x0000000000000000-mapping.dmp

Download
memory/3392-253-0x0000000000000000-mapping.dmp

Download
memory/4628-257-0x0000000000000000-mapping.dmp

Download
memory/4892-252-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads