cc5dd01b35f4f0f65b682c348ed7d0499e439068c23afcf52498626b5c76e7d9

General

Target

cc5dd01b35f4f0f65b682c348ed7d0499e439068c23afcf52498626b5c76e7d9.xls
Size

95KB
MD5

9cf4af414105940363cfaad01a392cb2
SHA1

327356907088f67572a9d1fee57e3270925e6496
SHA256

cc5dd01b35f4f0f65b682c348ed7d0499e439068c23afcf52498626b5c76e7d9
SHA512

7cf040fef23eb45375e1085decfc265e67d48eb4e15505dcc455f98c2e1f0aa3b6a21fbcf486edca2b379da4777000615e858d45854ee708d2237e9ed111549a

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	3380	1952	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3704	1952	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2556	1952	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1220	1952	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

1952 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1952 EXCEL.EXE
1952 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE
1952	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1952 wrote to memory of 3380	1952	EXCEL.EXE	regsvr32.exe
PID 1952 wrote to memory of 3380	1952	EXCEL.EXE	regsvr32.exe
PID 1952 wrote to memory of 3704	1952	EXCEL.EXE	regsvr32.exe
PID 1952 wrote to memory of 3704	1952	EXCEL.EXE	regsvr32.exe
PID 1952 wrote to memory of 2556	1952	EXCEL.EXE	regsvr32.exe
PID 1952 wrote to memory of 2556	1952	EXCEL.EXE	regsvr32.exe
PID 1952 wrote to memory of 1220	1952	EXCEL.EXE	regsvr32.exe
PID 1952 wrote to memory of 1220	1952	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\cc5dd01b35f4f0f65b682c348ed7d0499e439068c23afcf52498626b5c76e7d9.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:1952

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3380

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3704

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:2556

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1220

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/1220-274-0x0000000000000000-mapping.dmp

Download
memory/1952-122-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/1952-121-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/1952-119-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/1952-131-0x00007FF93E820000-0x00007FF93E830000-memory.dmp

Filesize
64KB

Download
memory/1952-132-0x00007FF93E820000-0x00007FF93E830000-memory.dmp

Filesize
64KB

Download
memory/1952-120-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/1952-313-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/1952-314-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/1952-315-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/1952-316-0x00007FF941370000-0x00007FF941380000-memory.dmp

Filesize
64KB

Download
memory/2556-271-0x0000000000000000-mapping.dmp

Download
memory/3380-269-0x0000000000000000-mapping.dmp

Download
memory/3704-270-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads