c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de

General

Target

c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de.xls
Size

95KB
MD5

611a14dea2988c2d129dc3e45132fe34
SHA1

d96b339d5503b0a0039f7b8bd0951e029de07b3f
SHA256

c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de
SHA512

8fb273f77e82a3a4937416b558cc5c36582bf981b634c1d936584e01ffac522300f2c0d37a1df31cdb98ad53bf50d5dbf8bca8ac30ca51db510589142045193b

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	1248	3784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3876	3784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1456	3784	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1300	3784	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

3784 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3784 EXCEL.EXE
3784 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE
3784	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3784 wrote to memory of 1248	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1248	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 3876	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 3876	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1456	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1456	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1300	3784	EXCEL.EXE	regsvr32.exe
PID 3784 wrote to memory of 1300	3784	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\c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de.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:3784

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:1248

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:3876

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:1456

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:1300

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/1248-270-0x0000000000000000-mapping.dmp

Download
memory/1300-273-0x0000000000000000-mapping.dmp

Download
memory/1456-272-0x0000000000000000-mapping.dmp

Download
memory/3784-118-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-119-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-120-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-121-0x00007FFDC9060000-0x00007FFDC9070000-memory.dmp

Filesize
64KB

Download
memory/3784-130-0x00007FFDC5600000-0x00007FFDC5610000-memory.dmp

Filesize
64KB

Download
memory/3784-131-0x00007FFDC5600000-0x00007FFDC5610000-memory.dmp

Filesize
64KB

Download
memory/3876-271-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads