92754416b67e07eb0bab8843158b451259bc31418cef835de4c82735a9f0f854

General

Target

92754416b67e07eb0bab8843158b451259bc31418cef835de4c82735a9f0f854.xls
Size

95KB
MD5

b0af7193708474a117f297b18ed80b8a
SHA1

6d70c057fe65ef0325494aaf14d4156f5a6c29ec
SHA256

92754416b67e07eb0bab8843158b451259bc31418cef835de4c82735a9f0f854
SHA512

5db1d490b45d9199a35feefe94cbfa67e9c13a946d14c4c68065fd66563bbea981a36cf4075fa2d1f227ef0204ddeba367e2ef50823b911376b8bf308c76d57c

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	4544	2044	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3852	2044	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2104	2044	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3328	2044	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

2044 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE
2044	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2044 wrote to memory of 4544	2044	EXCEL.EXE	regsvr32.exe
PID 2044 wrote to memory of 4544	2044	EXCEL.EXE	regsvr32.exe
PID 2044 wrote to memory of 3852	2044	EXCEL.EXE	regsvr32.exe
PID 2044 wrote to memory of 3852	2044	EXCEL.EXE	regsvr32.exe
PID 2044 wrote to memory of 2104	2044	EXCEL.EXE	regsvr32.exe
PID 2044 wrote to memory of 2104	2044	EXCEL.EXE	regsvr32.exe
PID 2044 wrote to memory of 3328	2044	EXCEL.EXE	regsvr32.exe
PID 2044 wrote to memory of 3328	2044	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\92754416b67e07eb0bab8843158b451259bc31418cef835de4c82735a9f0f854.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4544

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3852

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2104

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3328

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/2044-318-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2044-120-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2044-121-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2044-122-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2044-131-0x00007FFE77010000-0x00007FFE77020000-memory.dmp

Filesize
64KB

Download
memory/2044-132-0x00007FFE77010000-0x00007FFE77020000-memory.dmp

Filesize
64KB

Download
memory/2044-320-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2044-319-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2044-119-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2044-317-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/2104-277-0x0000000000000000-mapping.dmp

Download
memory/3328-280-0x0000000000000000-mapping.dmp

Download
memory/3852-276-0x0000000000000000-mapping.dmp

Download
memory/4544-275-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads