32a1f6000760b5eaa73ccfcbb44b2e26a575130cffdb2bb0ba5d0562e7e720c3

General

Target

Fischfangstatistik.doc
Size

824KB
MD5

ba5cc4d279e4b036a4f49a6582bf1e54
SHA1

6c3b3a4e09f7b8c2f5907968084f71cbdde357ce
SHA256

32a1f6000760b5eaa73ccfcbb44b2e26a575130cffdb2bb0ba5d0562e7e720c3
SHA512

4587c2b85983e7bafcb0a11bee14eee347d40d8d736771e9584785af1c5cbade9dee21977ed562fd1ebe247df40e1462a53c002bb609faf5caf8320ea13862dc

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
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
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.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:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1724 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

EXCEL.EXE

description pid process

Token: SeDebugPrivilege 1960 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEEXCEL.EXE

pid process

1724 WINWORD.EXE
1724 WINWORD.EXE
1960 EXCEL.EXE

pid	process
1724	WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1960	EXCEL.EXE

pid	process
1724	WINWORD.EXE
1724	WINWORD.EXE
1960	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1724 wrote to memory of 1480	1724	WINWORD.EXE	splwow64.exe
PID 1724 wrote to memory of 1480	1724	WINWORD.EXE	splwow64.exe
PID 1724 wrote to memory of 1480	1724	WINWORD.EXE	splwow64.exe
PID 1724 wrote to memory of 1480	1724	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Fischfangstatistik.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1480

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
1⤵
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1960

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

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Downloads

memory/1480-5-0x0000000000000000-mapping.dmp

Download
memory/1480-6-0x000007FEFC601000-0x000007FEFC603000-memory.dmp

Filesize
8KB

Download
memory/1724-2-0x0000000072F61000-0x0000000072F64000-memory.dmp

Filesize
12KB

Download
memory/1724-3-0x00000000709E1000-0x00000000709E3000-memory.dmp

Filesize
8KB

Download
memory/1724-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1960-11-0x00000000052D0000-0x00000000052DB000-memory.dmp

Filesize
44KB

Download
memory/1960-7-0x000000002F181000-0x000000002F184000-memory.dmp

Filesize
12KB

Download
memory/1960-10-0x000000006B230000-0x000000006B91E000-memory.dmp

Filesize
6.9MB

Download
memory/1960-12-0x0000000005540000-0x0000000005543000-memory.dmp

Filesize
12KB

Download
memory/1960-14-0x0000000005401000-0x0000000005402000-memory.dmp

Filesize
4KB

Download
memory/1960-15-0x0000000005402000-0x0000000005403000-memory.dmp

Filesize
4KB

Download
memory/1960-17-0x0000000005404000-0x0000000005405000-memory.dmp

Filesize
4KB

Download
memory/1960-16-0x0000000005403000-0x0000000005404000-memory.dmp

Filesize
4KB

Download

Analysis

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