80ff62063bef52ec3a86435d0fb839c2d049e1b36422e82df257d98c8798bd2d

General

Target

80ff62063bef52ec3a86435d0fb839c2d049e1b36422e82df257d98c8798bd2d.xls
Size

95KB
MD5

deabac9d5be1223f340377d3b7e21ea7
SHA1

31860bfe9f5a2a05d78d62abb5c647784247370d
SHA256

80ff62063bef52ec3a86435d0fb839c2d049e1b36422e82df257d98c8798bd2d
SHA512

5bed2fc5ecc35aea13b4cc6e8fe80bfc34de373b90d20b0e2e3c1a251d5feb5a2e7d4333584f52b54f0242c591edf64ffe43133907fac13dee67b787d139533d

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	2832	1584	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2236	1584	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4024	1584	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3152	1584	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

1584 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1584 EXCEL.EXE
1584 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1584 wrote to memory of 2832	1584	EXCEL.EXE	regsvr32.exe
PID 1584 wrote to memory of 2832	1584	EXCEL.EXE	regsvr32.exe
PID 1584 wrote to memory of 2236	1584	EXCEL.EXE	regsvr32.exe
PID 1584 wrote to memory of 2236	1584	EXCEL.EXE	regsvr32.exe
PID 1584 wrote to memory of 4024	1584	EXCEL.EXE	regsvr32.exe
PID 1584 wrote to memory of 4024	1584	EXCEL.EXE	regsvr32.exe
PID 1584 wrote to memory of 3152	1584	EXCEL.EXE	regsvr32.exe
PID 1584 wrote to memory of 3152	1584	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\80ff62063bef52ec3a86435d0fb839c2d049e1b36422e82df257d98c8798bd2d.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:1584

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
2⤵
- Process spawned unexpected child process
PID:2832

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
2⤵
- Process spawned unexpected child process
PID:2236

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
2⤵
- Process spawned unexpected child process
PID:4024

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
2⤵
- Process spawned unexpected child process
PID:3152

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/1584-118-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/1584-119-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/1584-120-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/1584-121-0x00007FFDCD4E0000-0x00007FFDCD4F0000-memory.dmp

Filesize
64KB

Download
memory/1584-130-0x00007FFDCA480000-0x00007FFDCA490000-memory.dmp

Filesize
64KB

Download
memory/1584-131-0x00007FFDCA480000-0x00007FFDCA490000-memory.dmp

Filesize
64KB

Download
memory/2236-255-0x0000000000000000-mapping.dmp

Download
memory/2832-254-0x0000000000000000-mapping.dmp

Download
memory/3152-257-0x0000000000000000-mapping.dmp

Download
memory/4024-256-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads