2f62e412ac2ae33d849803b2c6116bdbc964ab89d652070e8243ce65c4aec2c7

General

Target

2f62e412ac2ae33d849803b2c6116bdbc964ab89d652070e8243ce65c4aec2c7.xls
Size

95KB
MD5

ff23e064840e8a65b88234e4026f58a5
SHA1

0712c4c8abc60fdf13e92224c95a7ddb9af35bcc
SHA256

2f62e412ac2ae33d849803b2c6116bdbc964ab89d652070e8243ce65c4aec2c7
SHA512

4d001971350fd64470fa5504b9b29094ccba0d334a71adafea1d600fd2edfc4e41ec5acf4442e4b9b8cbfb58b5d4320ff1206112c110270d77e6cc321215ab08

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	4436	4612	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3184	4612	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3152	4612	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4492	4612	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

4612 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4612 EXCEL.EXE
4612 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4612 wrote to memory of 4436	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 4436	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3184	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3184	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3152	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 3152	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 4492	4612	EXCEL.EXE	regsvr32.exe
PID 4612 wrote to memory of 4492	4612	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\2f62e412ac2ae33d849803b2c6116bdbc964ab89d652070e8243ce65c4aec2c7.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:4612

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4436

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3184

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:4492

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/3152-266-0x0000000000000000-mapping.dmp

Download
memory/3184-265-0x0000000000000000-mapping.dmp

Download
memory/4436-264-0x0000000000000000-mapping.dmp

Download
memory/4492-269-0x0000000000000000-mapping.dmp

Download
memory/4612-114-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-115-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-116-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-117-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp

Filesize
64KB

Download
memory/4612-126-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp

Filesize
64KB

Download
memory/4612-127-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads