8092fe2059fb713e621a31c116ebab42e58940198ea046999416930973bb40c1

General

Target

8092fe2059fb713e621a31c116ebab42e58940198ea046999416930973bb40c1.xls
Size

95KB
MD5

98c0a3178a3715c0d23719a3a9805ef4
SHA1

a20854dd3196bbc592f3461168d391384f08c934
SHA256

8092fe2059fb713e621a31c116ebab42e58940198ea046999416930973bb40c1
SHA512

dc66f3a984d165a2ca2e6bc183c523947bd0d7a64ea1d8fc6253142d978f61f138278aa6fec6cd103b14c9e7defb7b3303ce2cc19affe60ab7f8bf7c7dd7db48

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	4856	4652	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3500	4652	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3532	4652	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4960	4652	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

4652 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4652 EXCEL.EXE
4652 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE
4652	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4652 wrote to memory of 4856	4652	EXCEL.EXE	regsvr32.exe
PID 4652 wrote to memory of 4856	4652	EXCEL.EXE	regsvr32.exe
PID 4652 wrote to memory of 3500	4652	EXCEL.EXE	regsvr32.exe
PID 4652 wrote to memory of 3500	4652	EXCEL.EXE	regsvr32.exe
PID 4652 wrote to memory of 3532	4652	EXCEL.EXE	regsvr32.exe
PID 4652 wrote to memory of 3532	4652	EXCEL.EXE	regsvr32.exe
PID 4652 wrote to memory of 4960	4652	EXCEL.EXE	regsvr32.exe
PID 4652 wrote to memory of 4960	4652	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\8092fe2059fb713e621a31c116ebab42e58940198ea046999416930973bb40c1.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:4652

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4856

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3500

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3532

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4960

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/3500-249-0x0000000000000000-mapping.dmp

Download
memory/3532-250-0x0000000000000000-mapping.dmp

Download
memory/4652-114-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/4652-115-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/4652-116-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/4652-117-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmp

Filesize
64KB

Download
memory/4652-126-0x00007FFE684F0000-0x00007FFE68500000-memory.dmp

Filesize
64KB

Download
memory/4652-127-0x00007FFE684F0000-0x00007FFE68500000-memory.dmp

Filesize
64KB

Download
memory/4856-248-0x0000000000000000-mapping.dmp

Download
memory/4960-253-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads