e0d4a9af527ac3b89a736a37466c4e57feb477ec4dbb7141bbba368eece254ce

General

Target

e0d4a9af527ac3b89a736a37466c4e57feb477ec4dbb7141bbba368eece254ce.xls
Size

95KB
MD5

166696d71db35d4a69e4fe110e54a746
SHA1

8b143846cd39c2df0f0217031045a912c7369d04
SHA256

e0d4a9af527ac3b89a736a37466c4e57feb477ec4dbb7141bbba368eece254ce
SHA512

cc4c6f22b25ee8308763448a5da0da12ad960bb9616d3d8bb57984eaca6ae8780538c03c0dcf4af7c8cbd7bcb7ad72390080886e7198b9c9a8c2ed8bed9de8b7

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	4752	2736	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3376	2736	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3964	2736	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1696	2736	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

2736 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2736 EXCEL.EXE
2736 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2736 wrote to memory of 4752	2736	EXCEL.EXE	regsvr32.exe
PID 2736 wrote to memory of 4752	2736	EXCEL.EXE	regsvr32.exe
PID 2736 wrote to memory of 3376	2736	EXCEL.EXE	regsvr32.exe
PID 2736 wrote to memory of 3376	2736	EXCEL.EXE	regsvr32.exe
PID 2736 wrote to memory of 3964	2736	EXCEL.EXE	regsvr32.exe
PID 2736 wrote to memory of 3964	2736	EXCEL.EXE	regsvr32.exe
PID 2736 wrote to memory of 1696	2736	EXCEL.EXE	regsvr32.exe
PID 2736 wrote to memory of 1696	2736	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\e0d4a9af527ac3b89a736a37466c4e57feb477ec4dbb7141bbba368eece254ce.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:2736

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4752

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3376

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3964

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1696

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/1696-271-0x0000000000000000-mapping.dmp

Download
memory/2736-119-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/2736-118-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/2736-116-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/2736-128-0x00007FFB5A630000-0x00007FFB5A640000-memory.dmp

Filesize
64KB

Download
memory/2736-129-0x00007FFB5A630000-0x00007FFB5A640000-memory.dmp

Filesize
64KB

Download
memory/2736-117-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/2736-307-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/2736-308-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/2736-309-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/2736-310-0x00007FFB5D3C0000-0x00007FFB5D3D0000-memory.dmp

Filesize
64KB

Download
memory/3376-267-0x0000000000000000-mapping.dmp

Download
memory/3964-268-0x0000000000000000-mapping.dmp

Download
memory/4752-266-0x0000000000000000-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