63adedbb0dd28535e6d035ec393ac4f8531aa9bffd4599d6c595bd4520b75444

General

Target

63adedbb0dd28535e6d035ec393ac4f8531aa9bffd4599d6c595bd4520b75444.xls
Size

95KB
MD5

affc5f25ede406b5165eab5998d7bf8d
SHA1

cfbf7ce487aa1d534fbba62f961505bb2025e162
SHA256

63adedbb0dd28535e6d035ec393ac4f8531aa9bffd4599d6c595bd4520b75444
SHA512

af501338e085b0989719beba09593d9a7a0d168c75cfa0555c22ff6b8658d8f3aede173b6a9fa3868c2565e2a2bbecec3cf17c9f4a0618af43ec4b4b303bcca4

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	316	3220	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2996	3220	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3140	3220	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4080	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3220 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3220 EXCEL.EXE
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 316	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 316	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 2996	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 2996	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3140	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 3140	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 4080	3220	EXCEL.EXE	regsvr32.exe
PID 3220 wrote to memory of 4080	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\63adedbb0dd28535e6d035ec393ac4f8531aa9bffd4599d6c595bd4520b75444.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:3220

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:316

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2996

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3140

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4080

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/316-252-0x0000000000000000-mapping.dmp

Download
memory/2996-253-0x0000000000000000-mapping.dmp

Download
memory/3140-254-0x0000000000000000-mapping.dmp

Download
memory/3220-118-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/3220-119-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/3220-120-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/3220-121-0x00007FFE8BB30000-0x00007FFE8BB40000-memory.dmp

Filesize
64KB

Download
memory/3220-130-0x00007FFE88BE0000-0x00007FFE88BF0000-memory.dmp

Filesize
64KB

Download
memory/3220-131-0x00007FFE88BE0000-0x00007FFE88BF0000-memory.dmp

Filesize
64KB

Download
memory/4080-257-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads