f00699658a4929bd23fd7e459e249eae42776c751df1305ff3bed4a32573bf6c

General

Target

f00699658a4929bd23fd7e459e249eae42776c751df1305ff3bed4a32573bf6c.xls
Size

95KB
MD5

239b578910db2f75976b1bd437a9a26a
SHA1

27f54e41c8f00c0249e82cfd938b8c39c40caacd
SHA256

f00699658a4929bd23fd7e459e249eae42776c751df1305ff3bed4a32573bf6c
SHA512

0b07d7f4f1bb6dcaa9f5064b1e19f8aa73e7b55f30a0740224a3acf9e0a9d53638b3af54d500563d4fcf196ee519180ed6744fcadff86eceaa6abf149bceff67

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	1980	2152	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2676	2152	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3152	2152	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3848	2152	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

2152 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2152 wrote to memory of 1980	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 1980	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 2676	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 2676	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 3152	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 3152	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 3848	2152	EXCEL.EXE	regsvr32.exe
PID 2152 wrote to memory of 3848	2152	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\f00699658a4929bd23fd7e459e249eae42776c751df1305ff3bed4a32573bf6c.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2152

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:1980

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2676

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3152

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3848

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/1980-260-0x0000000000000000-mapping.dmp

Download
memory/2152-118-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-119-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-120-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-121-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/2152-130-0x00007FFDCA480000-0x00007FFDCA490000-memory.dmp

Filesize
64KB

Download
memory/2152-131-0x00007FFDCA480000-0x00007FFDCA490000-memory.dmp

Filesize
64KB

Download
memory/2676-261-0x0000000000000000-mapping.dmp

Download
memory/3152-262-0x0000000000000000-mapping.dmp

Download
memory/3848-265-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads