dc958d438947c61a16c1bc40a6145cccb8012ed9e79a0f42ce3c0264ad4c6d7b

General

Target

dc958d438947c61a16c1bc40a6145cccb8012ed9e79a0f42ce3c0264ad4c6d7b.xls
Size

95KB
MD5

642cfe92110e458a564fadf989813cde
SHA1

57e580ca453375b69938a885b763234589c50c2d
SHA256

dc958d438947c61a16c1bc40a6145cccb8012ed9e79a0f42ce3c0264ad4c6d7b
SHA512

4cbf8c5de296a6154b16bb607b4b4dd5c5888cb7b971d00928a6fb5eb222f75f8b6e1c72a38c8a83bc6256ade396356b2a0104fbe0e40906b2e38965fb154b21

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	3972	3220	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3644	3220	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3776	3220	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3372	3220	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

3220 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE
3220	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3220 wrote to memory of 3972	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3972	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3644	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3644	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3776	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3776	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3372	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3372	3220	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\dc958d438947c61a16c1bc40a6145cccb8012ed9e79a0f42ce3c0264ad4c6d7b.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3220

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3972

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3644

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3776

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3372

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/3220-117-0x00007FF7F6370000-0x00007FF7F6380000-memory.dmp

Filesize
64KB

Download
memory/3220-118-0x00007FF7F6370000-0x00007FF7F6380000-memory.dmp

Filesize
64KB

Download
memory/3220-119-0x00007FF7F6370000-0x00007FF7F6380000-memory.dmp

Filesize
64KB

Download
memory/3220-120-0x00007FF7F6370000-0x00007FF7F6380000-memory.dmp

Filesize
64KB

Download
memory/3220-129-0x00007FF7F3380000-0x00007FF7F3390000-memory.dmp

Filesize
64KB

Download
memory/3220-130-0x00007FF7F3380000-0x00007FF7F3390000-memory.dmp

Filesize
64KB

Download
memory/3372-269-0x0000000000000000-mapping.dmp

Download
memory/3644-265-0x0000000000000000-mapping.dmp

Download
memory/3776-266-0x0000000000000000-mapping.dmp

Download
memory/3972-264-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads