a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e

General

Target

a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e.xls
Size

95KB
MD5

2fe3e3ee8a482e8d50dadd62b9e76489
SHA1

ca0e50979240b40ecf7cd914b894e9ae776ab82d
SHA256

a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e
SHA512

87d0d4f4f8b57254bdce3753ed33058fdf30d2fb5aad41ae82d60964d86e127ffb2afa46701d21fd06b62148f456148cd2f68e07f0972d187b607d606928dfec

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	1020	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3280	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3460	2864	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3692	2864	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

2864 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2864 EXCEL.EXE
2864 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2864 wrote to memory of 1020	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 1020	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3280	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3280	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3460	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3460	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3692	2864	EXCEL.EXE	regsvr32.exe
PID 2864 wrote to memory of 3692	2864	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\a0a7049c53b71e753aa58c7e659ee8e08a2da3c6e67a6f710a3844284effc52e.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:2864

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:1020

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3280

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3460

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3692

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/1020-264-0x0000000000000000-mapping.dmp

Download
memory/2864-114-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-115-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-116-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-117-0x00007FFA3E5B0000-0x00007FFA3E5C0000-memory.dmp

Filesize
64KB

Download
memory/2864-126-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/2864-127-0x00007FFA3B300000-0x00007FFA3B310000-memory.dmp

Filesize
64KB

Download
memory/3280-265-0x0000000000000000-mapping.dmp

Download
memory/3460-266-0x0000000000000000-mapping.dmp

Download
memory/3692-269-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads