5420345c6a5da348bee8e8e9d57caafeeab4a9006aaaf6e1aa9e5782e7a79d04

General

Target

5420345c6a5da348bee8e8e9d57caafeeab4a9006aaaf6e1aa9e5782e7a79d04.xls
Size

95KB
MD5

725349f37f5da6d767b0dbeea355836c
SHA1

0c28b7a1fdbcec0ce59c63431667851863d4b011
SHA256

5420345c6a5da348bee8e8e9d57caafeeab4a9006aaaf6e1aa9e5782e7a79d04
SHA512

f4e551f26ee23eec81dc61e1a735a49c9d5038ec0fd5ced5e004d869644d31d4b43b06d470fcdc786b0732e806a72b5e242b4153fe900a616a09c3dea9ea13bf

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	5088	484	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4636	484	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4820	484	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4540	484	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

484 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
484 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 484 wrote to memory of 5088	484	EXCEL.EXE	regsvr32.exe
PID 484 wrote to memory of 5088	484	EXCEL.EXE	regsvr32.exe
PID 484 wrote to memory of 4636	484	EXCEL.EXE	regsvr32.exe
PID 484 wrote to memory of 4636	484	EXCEL.EXE	regsvr32.exe
PID 484 wrote to memory of 4820	484	EXCEL.EXE	regsvr32.exe
PID 484 wrote to memory of 4820	484	EXCEL.EXE	regsvr32.exe
PID 484 wrote to memory of 4540	484	EXCEL.EXE	regsvr32.exe
PID 484 wrote to memory of 4540	484	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\5420345c6a5da348bee8e8e9d57caafeeab4a9006aaaf6e1aa9e5782e7a79d04.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:484
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5088
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4636
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4820
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/484-297-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/484-120-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/484-121-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/484-122-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/484-131-0x00007FFE77010000-0x00007FFE77020000-memory.dmp

Filesize
64KB

Download
memory/484-132-0x00007FFE77010000-0x00007FFE77020000-memory.dmp

Filesize
64KB

Download
memory/484-300-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/484-299-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/484-298-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/484-119-0x00007FFE79C10000-0x00007FFE79C20000-memory.dmp

Filesize
64KB

Download
memory/4540-258-0x0000000000000000-mapping.dmp

Download
memory/4636-254-0x0000000000000000-mapping.dmp

Download
memory/4820-255-0x0000000000000000-mapping.dmp

Download
memory/5088-253-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads