7b88ed5cba5dd03d9541a72b0a94c14ad73621c164ddade4c9b065de03a4df48

General

Target

SecuriteInfo.com.Trojan.Win32.Macro40.11000280.5135.4519.xlsm
Size

149KB
MD5

1279c603a4e9536e23c3de5986105b62
SHA1

0d116a02ce3c69aaade6e158983cd179943f35ef
SHA256

7b88ed5cba5dd03d9541a72b0a94c14ad73621c164ddade4c9b065de03a4df48
SHA512

77094082b3fa6233f558fa37034d4622be9231e0754e9eb20e4e278250366df0170ce4bdf3659b20b387566df332366fb98ac21752183623fefe2f65425c2034

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.ceder-invest.be/sass/capital.php

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	944	1064	rundll32.exe	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1064 EXCEL.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

1064 EXCEL.EXE
1064 EXCEL.EXE
1064 EXCEL.EXE
1064 EXCEL.EXE
1064 EXCEL.EXE
1064 EXCEL.EXE
1064 EXCEL.EXE

pid	process
1064	EXCEL.EXE

pid	process
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE
1064	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1064 wrote to memory of 944	1064	EXCEL.EXE	rundll32.exe
PID 1064 wrote to memory of 944	1064	EXCEL.EXE	rundll32.exe
PID 1064 wrote to memory of 944	1064	EXCEL.EXE	rundll32.exe
PID 1064 wrote to memory of 944	1064	EXCEL.EXE	rundll32.exe
PID 1064 wrote to memory of 944	1064	EXCEL.EXE	rundll32.exe
PID 1064 wrote to memory of 944	1064	EXCEL.EXE	rundll32.exe
PID 1064 wrote to memory of 944	1064	EXCEL.EXE	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Macro40.11000280.5135.4519.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Krock.KOD,StartW
2⤵
- Process spawned unexpected child process
PID:944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/944-6-0x0000000000000000-mapping.dmp

Download
memory/944-7-0x0000000076101000-0x0000000076103000-memory.dmp

Filesize
8KB

Download
memory/1064-2-0x000000002FB91000-0x000000002FB94000-memory.dmp

Filesize
12KB

Download
memory/1064-3-0x0000000071001000-0x0000000071003000-memory.dmp

Filesize
8KB

Download
memory/1064-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1512-5-0x000007FEF7140000-0x000007FEF73BA000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads