64f64eac19ee3b52e945b88c3c65e8eb77a0f3300e1edc3671bba239f99658d1

General

Target

64f64eac19ee3b52e945b88c3c65e8eb77a0f3300e1edc3671bba239f99658d1.xls
Size

95KB
MD5

4b36c309911e14f751d8e414cda67a1a
SHA1

353f3fb98e324f58377f0769677154d33e23be06
SHA256

64f64eac19ee3b52e945b88c3c65e8eb77a0f3300e1edc3671bba239f99658d1
SHA512

2a5107a92046faa7ae9a18ac675ac26cef68269f2d4511f62f70c9b1c2ea05b831344ee165bb1d707bf0a7b6a94df1cb57c294855155ea20dd5a532b89608cfd

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	2476	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3592	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4376	2664	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4988	2664	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

2664 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2664 EXCEL.EXE
2664 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2664 wrote to memory of 2476	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 2476	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 3592	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 3592	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4376	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4376	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4988	2664	EXCEL.EXE	regsvr32.exe
PID 2664 wrote to memory of 4988	2664	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\64f64eac19ee3b52e945b88c3c65e8eb77a0f3300e1edc3671bba239f99658d1.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:2664

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2476

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3592

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4376

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4988

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

Replay Monitor

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Downloads

memory/2476-252-0x0000000000000000-mapping.dmp

Download
memory/2664-118-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-119-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-120-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-121-0x00007FFD9FAC0000-0x00007FFD9FAD0000-memory.dmp

Filesize
64KB

Download
memory/2664-130-0x00007FFD9C190000-0x00007FFD9C1A0000-memory.dmp

Filesize
64KB

Download
memory/2664-131-0x00007FFD9C190000-0x00007FFD9C1A0000-memory.dmp

Filesize
64KB

Download
memory/3592-253-0x0000000000000000-mapping.dmp

Download
memory/4376-254-0x0000000000000000-mapping.dmp

Download
memory/4988-257-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads