f65d63d34801ef0fdbd2b204a27cfaacca7e36dd9373553e2d6d901d493354d2

General

Target

Booking Confirmation.docx
Size

10KB
MD5

719d1eb8a4794b7e58802a43a1241e9c
SHA1

944fd5deccb84a8a810958ce45a105beaaf11b1f
SHA256

f65d63d34801ef0fdbd2b204a27cfaacca7e36dd9373553e2d6d901d493354d2
SHA512

95f2cde4dcda16134b04ed6489c026205a972b0f3060146c016223b0bb914f76ab62d89197d05ba1b8a06a284bfd0dd18da76b9b45e7b2cc91378601438032ef

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

12 652 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

760 vbc.exe

flow	pid	process
12	652	EQNEDT32.EXE

pid	process
760	vbc.exe

Abuses OpenXML format to download file from external location 2 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key opened	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\Common\Offline\Files\http://bit.do/fQZmn	WINWORD.EXE

Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXE

pid process

652 EQNEDT32.EXE
652 EQNEDT32.EXE
652 EQNEDT32.EXE
652 EQNEDT32.EXE
652 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
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
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

652 EQNEDT32.EXE

pid	process
652	EQNEDT32.EXE
652	EQNEDT32.EXE
652	EQNEDT32.EXE
652	EQNEDT32.EXE
652	EQNEDT32.EXE

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

pid	process
652	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

604 WINWORD.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEvbc.exe

pid process

604 WINWORD.EXE
604 WINWORD.EXE
760 vbc.exe

pid	process
604	WINWORD.EXE

pid	process
604	WINWORD.EXE
604	WINWORD.EXE
760	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXE

description	pid	process	target process
PID 652 wrote to memory of 760	652	EQNEDT32.EXE	vbc.exe
PID 652 wrote to memory of 760	652	EQNEDT32.EXE	vbc.exe
PID 652 wrote to memory of 760	652	EQNEDT32.EXE	vbc.exe
PID 652 wrote to memory of 760	652	EQNEDT32.EXE	vbc.exe
PID 604 wrote to memory of 1756	604	WINWORD.EXE	splwow64.exe
PID 604 wrote to memory of 1756	604	WINWORD.EXE	splwow64.exe
PID 604 wrote to memory of 1756	604	WINWORD.EXE	splwow64.exe
PID 604 wrote to memory of 1756	604	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\Booking Confirmation.docx"
1⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1756

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:652

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
788016c9072423914b96f0d15a61812d

SHA1
040f85b4ef512bb74990becfa1a5029f92eb65c7

SHA256
df34f3d4030a5ea484108271f749ca5fbc3af0f415051e98b342a505c88971e4

SHA512
c9a75e6b54113d3d02c32d314ff76cc82b9bd4b88d07fec6b7636417e49184ebb691ecf63db3aac8dd4a96e49392959638c70ab20412f1c4454ac7963266c2c4

Download Submit
\Users\Public\vbc.exe
MD5
788016c9072423914b96f0d15a61812d

SHA1
040f85b4ef512bb74990becfa1a5029f92eb65c7

SHA256
df34f3d4030a5ea484108271f749ca5fbc3af0f415051e98b342a505c88971e4

SHA512
c9a75e6b54113d3d02c32d314ff76cc82b9bd4b88d07fec6b7636417e49184ebb691ecf63db3aac8dd4a96e49392959638c70ab20412f1c4454ac7963266c2c4

Download Submit
\Users\Public\vbc.exe
MD5
788016c9072423914b96f0d15a61812d

SHA1
040f85b4ef512bb74990becfa1a5029f92eb65c7

SHA256
df34f3d4030a5ea484108271f749ca5fbc3af0f415051e98b342a505c88971e4

SHA512
c9a75e6b54113d3d02c32d314ff76cc82b9bd4b88d07fec6b7636417e49184ebb691ecf63db3aac8dd4a96e49392959638c70ab20412f1c4454ac7963266c2c4

Download Submit
\Users\Public\vbc.exe
MD5
788016c9072423914b96f0d15a61812d

SHA1
040f85b4ef512bb74990becfa1a5029f92eb65c7

SHA256
df34f3d4030a5ea484108271f749ca5fbc3af0f415051e98b342a505c88971e4

SHA512
c9a75e6b54113d3d02c32d314ff76cc82b9bd4b88d07fec6b7636417e49184ebb691ecf63db3aac8dd4a96e49392959638c70ab20412f1c4454ac7963266c2c4

Download Submit
\Users\Public\vbc.exe
MD5
788016c9072423914b96f0d15a61812d

SHA1
040f85b4ef512bb74990becfa1a5029f92eb65c7

SHA256
df34f3d4030a5ea484108271f749ca5fbc3af0f415051e98b342a505c88971e4

SHA512
c9a75e6b54113d3d02c32d314ff76cc82b9bd4b88d07fec6b7636417e49184ebb691ecf63db3aac8dd4a96e49392959638c70ab20412f1c4454ac7963266c2c4

Download Submit
\Users\Public\vbc.exe
MD5
788016c9072423914b96f0d15a61812d

SHA1
040f85b4ef512bb74990becfa1a5029f92eb65c7

SHA256
df34f3d4030a5ea484108271f749ca5fbc3af0f415051e98b342a505c88971e4

SHA512
c9a75e6b54113d3d02c32d314ff76cc82b9bd4b88d07fec6b7636417e49184ebb691ecf63db3aac8dd4a96e49392959638c70ab20412f1c4454ac7963266c2c4

Download Submit
memory/604-60-0x000000006FEC1000-0x000000006FEC3000-memory.dmp

Filesize
8KB

Download
memory/604-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/604-59-0x0000000072441000-0x0000000072444000-memory.dmp

Filesize
12KB

Download
memory/652-62-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download
memory/760-68-0x0000000000000000-mapping.dmp

Download
memory/760-74-0x0000000000310000-0x0000000000321000-memory.dmp

Filesize
68KB

Download
memory/1756-72-0x0000000000000000-mapping.dmp

Download
memory/1756-73-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads