a54be2c6c2bc406bdfc6c0aa255ce5e9162ea104c20093ef228cefbde186df11

General

Target

a54be2c6c2bc406bdfc6c0aa255ce5e9162ea104c20093ef228cefbde186df11.xls
Size

95KB
MD5

7ae229980e5faf36b0c829f42bf96657
SHA1

4d3cf5c7ac6d25dd4724ab6a9e7c7ad7f53a7abe
SHA256

a54be2c6c2bc406bdfc6c0aa255ce5e9162ea104c20093ef228cefbde186df11
SHA512

cb021dd6bef8d6a3cfa7ce054c5c6df8889931ed9b550d053ee68b132a51fd7d3edee4db2a6d77a183682c4df4521a65d86c78cb921ae84873757e905a14d5cb

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	4960	2720	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5028	2720	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5084	2720	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5072	2720	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

2720 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2720 wrote to memory of 4960	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 4960	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5028	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5028	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5084	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5084	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5072	2720	EXCEL.EXE	regsvr32.exe
PID 2720 wrote to memory of 5072	2720	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\a54be2c6c2bc406bdfc6c0aa255ce5e9162ea104c20093ef228cefbde186df11.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:4960

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:5028

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:5084

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:5072

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/2720-118-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-119-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-120-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-121-0x00007FF9E54B0000-0x00007FF9E54C0000-memory.dmp

Filesize
64KB

Download
memory/2720-130-0x00007FF9E1EA0000-0x00007FF9E1EB0000-memory.dmp

Filesize
64KB

Download
memory/2720-131-0x00007FF9E1EA0000-0x00007FF9E1EB0000-memory.dmp

Filesize
64KB

Download
memory/4960-278-0x0000000000000000-mapping.dmp

Download
memory/5028-280-0x0000000000000000-mapping.dmp

Download
memory/5072-282-0x0000000000000000-mapping.dmp

Download
memory/5084-281-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads