c0a0b97b0c41492747ecf90b20836065fee70e2722291ace4f700a44a319f1d9

General

Target

c0a0b97b0c41492747ecf90b20836065fee70e2722291ace4f700a44a319f1d9.xls
Size

95KB
MD5

0ba5a9baee5d79233fd36706b576ba60
SHA1

10f709eaaf9150ea4a8ac67d6a93f5e8ca2173b1
SHA256

c0a0b97b0c41492747ecf90b20836065fee70e2722291ace4f700a44a319f1d9
SHA512

603ea3f3b0222f951a0ad4bde4d614d9ceae1d0d5220f6329aea1d86e566d0055a7b4d0fe3d204873e25e7fcc5253b999b38a638aeaef06cfbefd37306e9ef6c

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

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	3420	2088	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2404	2088	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3808	2088	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3820	2088	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

2088 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2088 EXCEL.EXE
2088 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE
2088	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2088 wrote to memory of 3420	2088	EXCEL.EXE	regsvr32.exe
PID 2088 wrote to memory of 3420	2088	EXCEL.EXE	regsvr32.exe
PID 2088 wrote to memory of 2404	2088	EXCEL.EXE	regsvr32.exe
PID 2088 wrote to memory of 2404	2088	EXCEL.EXE	regsvr32.exe
PID 2088 wrote to memory of 3808	2088	EXCEL.EXE	regsvr32.exe
PID 2088 wrote to memory of 3808	2088	EXCEL.EXE	regsvr32.exe
PID 2088 wrote to memory of 3820	2088	EXCEL.EXE	regsvr32.exe
PID 2088 wrote to memory of 3820	2088	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\c0a0b97b0c41492747ecf90b20836065fee70e2722291ace4f700a44a319f1d9.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:2088

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:3420

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2404

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:3808

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3820

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/2088-309-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2088-117-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2088-118-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2088-119-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2088-128-0x00007FFB70D60000-0x00007FFB70D70000-memory.dmp

Filesize
64KB

Download
memory/2088-129-0x00007FFB70D60000-0x00007FFB70D70000-memory.dmp

Filesize
64KB

Download
memory/2088-116-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2088-311-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2088-310-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2088-308-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmp

Filesize
64KB

Download
memory/2404-269-0x0000000000000000-mapping.dmp

Download
memory/3420-268-0x0000000000000000-mapping.dmp

Download
memory/3808-270-0x0000000000000000-mapping.dmp

Download
memory/3820-271-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads