25a6ae3e79df898ae93b89cdb259e3c6c62478bdc52993801de055d2f72d1cd2

General

Target

25a6ae3e79df898ae93b89cdb259e3c6c62478bdc52993801de055d2f72d1cd2.xls
Size

95KB
MD5

d60f104f3c8c65659165b9b0340a1ff1
SHA1

f6307034ab7a96733a3079ae2a8eea05cfbee227
SHA256

25a6ae3e79df898ae93b89cdb259e3c6c62478bdc52993801de055d2f72d1cd2
SHA512

7958a9e208552b27a60761a728b7b8bbe44b0516e0ac3721bfa3340c742cd52b051607b0ba63251f86e78689ce2c5abfdab76c53f1e9f76987775d4b2eb3d22b

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	4888	1056	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4452	1056	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4436	1056	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4936	1056	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

1056 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE
1056 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1056 wrote to memory of 4888	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 4888	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 4452	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 4452	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 4436	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 4436	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 4936	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 4936	1056	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\25a6ae3e79df898ae93b89cdb259e3c6c62478bdc52993801de055d2f72d1cd2.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:1056

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4888

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:4452

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4436

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4936

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/1056-118-0x00007FFE7A3C0000-0x00007FFE7A3D0000-memory.dmp

Filesize
64KB

Download
memory/1056-119-0x00007FFE7A3C0000-0x00007FFE7A3D0000-memory.dmp

Filesize
64KB

Download
memory/1056-120-0x00007FFE7A3C0000-0x00007FFE7A3D0000-memory.dmp

Filesize
64KB

Download
memory/1056-121-0x00007FFE7A3C0000-0x00007FFE7A3D0000-memory.dmp

Filesize
64KB

Download
memory/1056-130-0x00007FFE768A0000-0x00007FFE768B0000-memory.dmp

Filesize
64KB

Download
memory/1056-131-0x00007FFE768A0000-0x00007FFE768B0000-memory.dmp

Filesize
64KB

Download
memory/4436-254-0x0000000000000000-mapping.dmp

Download
memory/4452-253-0x0000000000000000-mapping.dmp

Download
memory/4888-252-0x0000000000000000-mapping.dmp

Download
memory/4936-257-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads