e2a4320528f9332872848340b5d6a5cffadca8596567e245eb5a401c8ef918b6

General

Target

intelligence 12.20.doc
Size

80KB
MD5

2eac8507ab396c2e9476ae91a2bf92af
SHA1

fbbf0822676e29969047b1e0d0ba85704183445e
SHA256

e2a4320528f9332872848340b5d6a5cffadca8596567e245eb5a401c8ef918b6
SHA512

baa5d0d27031999ee4c8f4f8424807f2f9e1645a2ee455bfe31a559b9821ad519f942ada5225b54a459bdc6422837065ae88a41caa907a7865d8891624cdcbfe

Score

10^/10

ransomware

Malware Config

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:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 676 1756 rundll32.exe
Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

6 1632 mshta.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
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

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	676	1756	rundll32.exe

flow	pid	process
6	1632	mshta.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXEmshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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
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	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
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\Main	mshta.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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1336 WINWORD.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE
1336	WINWORD.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exeWINWORD.EXEmshta.exe

description	pid	process	target process
PID 676 wrote to memory of 1632	676	rundll32.exe	mshta.exe
PID 676 wrote to memory of 1632	676	rundll32.exe	mshta.exe
PID 676 wrote to memory of 1632	676	rundll32.exe	mshta.exe
PID 676 wrote to memory of 1632	676	rundll32.exe	mshta.exe
PID 1336 wrote to memory of 1108	1336	WINWORD.EXE	splwow64.exe
PID 1336 wrote to memory of 1108	1336	WINWORD.EXE	splwow64.exe
PID 1336 wrote to memory of 1108	1336	WINWORD.EXE	splwow64.exe
PID 1336 wrote to memory of 1108	1336	WINWORD.EXE	splwow64.exe
PID 1632 wrote to memory of 1564	1632	mshta.exe	rundll32.exe
PID 1632 wrote to memory of 1564	1632	mshta.exe	rundll32.exe
PID 1632 wrote to memory of 1564	1632	mshta.exe	rundll32.exe
PID 1632 wrote to memory of 1564	1632	mshta.exe	rundll32.exe
PID 1632 wrote to memory of 1564	1632	mshta.exe	rundll32.exe
PID 1632 wrote to memory of 1564	1632	mshta.exe	rundll32.exe
PID 1632 wrote to memory of 1564	1632	mshta.exe	rundll32.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\intelligence 12.20.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1108

C:\Windows\system32\rundll32.exe
rundll32.exe url.dll,OpenURL c:\users\public\index.hta
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:676

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\index.hta"
2⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\programdata\aEUo7.pdf,ShowDialogA -r
3⤵
PID:1564

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\users\public\index.hta
MD5
1a3f1ff5f6815debe76570808d97dbfb

SHA1
918ff79b132e91b4653c3fd2c02ce4a478a8a584

SHA256
c454f855e42ed6e19c84dd20f22fc1d3e7494546327d0f61fed28bf3c386df5d

SHA512
e63902aabc1b2038c526d6b6bfbc8a0ed76dbe51e4afb11cb257c2c21785f10cea76c314d647f0f22b0c8bd3fe470bc59004c1829ed4270aa9e78c9c9481a349

Download Submit
\??\c:\programdata\aEUo7.pdf
MD5
5d30a56fa6b8bf8bf7bd359ccc48dac7

SHA1
705f41d37a25b6b1104a7895386af11307d7e036

SHA256
34ba901d2bf1c03d430e4a5223099792de9ad5cc3a3812d45a3408714c978385

SHA512
f9372b6ad25175b14f3d620c14e1fcbcb0f64e62d5b0af7cdd396b89e5709f294d2f6f956002298b09a65b28433e8a2f157a1d6a270a7add8b87747c5f591b04

Download Submit
memory/520-10-0x000007FEF7020000-0x000007FEF729A000-memory.dmp

Filesize
2.5MB

Download
memory/676-5-0x000007FEFB6D1000-0x000007FEFB6D3000-memory.dmp

Filesize
8KB

Download
memory/1108-8-0x0000000000000000-mapping.dmp

Download
memory/1336-2-0x00000000721D1000-0x00000000721D4000-memory.dmp

Filesize
12KB

Download
memory/1336-3-0x000000006FC51000-0x000000006FC53000-memory.dmp

Filesize
8KB

Download
memory/1336-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1564-11-0x0000000000000000-mapping.dmp

Download
memory/1564-12-0x0000000075DE1000-0x0000000075DE3000-memory.dmp

Filesize
8KB

Download
memory/1632-7-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads