977e9ab4d104d4084a4b13ca30086b332849c7e2cec0cf1d375dc5a3565a931d

General

Target
7.xlsb
Size 81KB
Sample210226-ldtkfcxymj
SHA256 977e9ab4d104d4084a4b13ca30086b332849c7e2cec0cf1d375dc5a3565a931d
MD5 aa61ea06018203f7e5bf93dd8d6e6286
SHA1 36331f5d14b5a612e06e1381a39c6b5309e1a7ee
SHA512 3f8574a5ddfa7019bfec4cb76814d9d44a6b484f8ba0e636be599d94a16965fb2c97d4bd0bfbc574c1265e0f9057a1b483f39feea37520867f764f12782e4e11
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://195.123.220.249/campo/t2/t2

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1180	1740	rundll32.exe	24

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1740	EXCEL.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1180	1740	EXCEL.EXE	31
PID 1740 wrote to memory of 1180	1740	EXCEL.EXE	31
PID 1740 wrote to memory of 1180	1740	EXCEL.EXE	31
PID 1740 wrote to memory of 1180	1740	EXCEL.EXE	31
PID 1740 wrote to memory of 1180	1740	EXCEL.EXE	31
PID 1740 wrote to memory of 1180	1740	EXCEL.EXE	31
PID 1740 wrote to memory of 1180	1740	EXCEL.EXE	31

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\7.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\ProgramData\qoqw\4040.dll,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1180

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

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Downloads

memory/1180-7-0x00000000766F1000-0x00000000766F3000-memory.dmp

Download

memory/1632-5-0x000007FEF63D0000-0x000007FEF664A000-memory.dmp

Download

memory/1740-2-0x000000002FD61000-0x000000002FD64000-memory.dmp

Download

memory/1740-3-0x00000000715E1000-0x00000000715E3000-memory.dmp

Download

memory/1740-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads