f125251f2624649b623a1552ed04b0965335b815a24c9d5ce0c782cb4e86cffc

General

Target

f125251f2624649b623a1552ed04b0965335b815a24c9d5ce0c782cb4e86cffc.xls
Size

95KB
MD5

472a0f9d4d9238b4b4adb4b480bac096
SHA1

ef34131c508e8852989840d1dff811ab5f5c50e2
SHA256

f125251f2624649b623a1552ed04b0965335b815a24c9d5ce0c782cb4e86cffc
SHA512

69e258bba8226f8afda68aca228b37c0215f47dad9a141e7b0d70256773e4c96e21596010cc26d8edc40ff718f4c8464fca286a93603f0c6a74b9d32664e6dfa

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	5016	2292	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5092	2292	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3320	2292	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4440	2292	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2292 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE
2292	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2292 wrote to memory of 5016	2292	EXCEL.EXE	regsvr32.exe
PID 2292 wrote to memory of 5016	2292	EXCEL.EXE	regsvr32.exe
PID 2292 wrote to memory of 5092	2292	EXCEL.EXE	regsvr32.exe
PID 2292 wrote to memory of 5092	2292	EXCEL.EXE	regsvr32.exe
PID 2292 wrote to memory of 3320	2292	EXCEL.EXE	regsvr32.exe
PID 2292 wrote to memory of 3320	2292	EXCEL.EXE	regsvr32.exe
PID 2292 wrote to memory of 4440	2292	EXCEL.EXE	regsvr32.exe
PID 2292 wrote to memory of 4440	2292	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\f125251f2624649b623a1552ed04b0965335b815a24c9d5ce0c782cb4e86cffc.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:5016

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:5092

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3320

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:4440

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/2292-117-0x00007FF7CFDA0000-0x00007FF7CFDB0000-memory.dmp

Filesize
64KB

Download
memory/2292-118-0x00007FF7CFDA0000-0x00007FF7CFDB0000-memory.dmp

Filesize
64KB

Download
memory/2292-119-0x00007FF7CFDA0000-0x00007FF7CFDB0000-memory.dmp

Filesize
64KB

Download
memory/2292-120-0x00007FF7CFDA0000-0x00007FF7CFDB0000-memory.dmp

Filesize
64KB

Download
memory/2292-129-0x00007FF7CC230000-0x00007FF7CC240000-memory.dmp

Filesize
64KB

Download
memory/2292-130-0x00007FF7CC230000-0x00007FF7CC240000-memory.dmp

Filesize
64KB

Download
memory/3320-261-0x0000000000000000-mapping.dmp

Download
memory/4440-268-0x0000000000000000-mapping.dmp

Download
memory/5016-259-0x0000000000000000-mapping.dmp

Download
memory/5092-260-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads