04e2781824c3d087ef66a412fd338bebdef578835006f17be1757767a2f3a3de

General

Target

04e2781824c3d087ef66a412fd338bebdef578835006f17be1757767a2f3a3de.xls
Size

95KB
MD5

fa376982a68f5680632619e253c470ff
SHA1

a9d51cb0d8cc75db2bd9a96dcae65114f1dbfbc8
SHA256

04e2781824c3d087ef66a412fd338bebdef578835006f17be1757767a2f3a3de
SHA512

4dd72b93286923439e70a114abc371ab92574efa3e28be8f947f2bebd82f7202c09afaba93f259f537a46d7a7af4b32450a1d5db273deca6d551cb6372f8c9e1

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	3900	3972	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1080	3972	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1632	3972	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3288	3972	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

3972 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3972 wrote to memory of 3900	3972	EXCEL.EXE	regsvr32.exe
PID 3972 wrote to memory of 3900	3972	EXCEL.EXE	regsvr32.exe
PID 3972 wrote to memory of 1080	3972	EXCEL.EXE	regsvr32.exe
PID 3972 wrote to memory of 1080	3972	EXCEL.EXE	regsvr32.exe
PID 3972 wrote to memory of 1632	3972	EXCEL.EXE	regsvr32.exe
PID 3972 wrote to memory of 1632	3972	EXCEL.EXE	regsvr32.exe
PID 3972 wrote to memory of 3288	3972	EXCEL.EXE	regsvr32.exe
PID 3972 wrote to memory of 3288	3972	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\04e2781824c3d087ef66a412fd338bebdef578835006f17be1757767a2f3a3de.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3972

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3900

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:1080

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:1632

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3288

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/1080-263-0x0000000000000000-mapping.dmp

Download
memory/1632-264-0x0000000000000000-mapping.dmp

Download
memory/3288-267-0x0000000000000000-mapping.dmp

Download
memory/3900-262-0x0000000000000000-mapping.dmp

Download
memory/3972-114-0x00007FF9CF430000-0x00007FF9CF440000-memory.dmp

Filesize
64KB

Download
memory/3972-115-0x00007FF9CF430000-0x00007FF9CF440000-memory.dmp

Filesize
64KB

Download
memory/3972-116-0x00007FF9CF430000-0x00007FF9CF440000-memory.dmp

Filesize
64KB

Download
memory/3972-117-0x00007FF9CF430000-0x00007FF9CF440000-memory.dmp

Filesize
64KB

Download
memory/3972-126-0x00007FF9CC870000-0x00007FF9CC880000-memory.dmp

Filesize
64KB

Download
memory/3972-127-0x00007FF9CC870000-0x00007FF9CC880000-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