112181241c7cb66758507fdce08e40069efa3e82bedb39eb98c833e5291109d3

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30-07-2024 14:41

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General

Target

112181241c7cb66758507fdce08e40069efa3e82bedb39eb98c833e5291109d3.rtf
Size

94KB
MD5

f7c34c11bb5d9cdcece78edae0beff42
SHA1

96f2510fbb5c6203e21ead4dd55daaab59a86f4e
SHA256

112181241c7cb66758507fdce08e40069efa3e82bedb39eb98c833e5291109d3
SHA512

9b733c0d88c98adfe48e45079276ff7e059540445aa576b9eb637ac5c6881586336740384d71ab8a98e24b6f13c76d2ad88dd4437077dabd6a8d7829cd037164
SSDEEP

768:GS6MQ5k2WKcczrYFUoNVEbHfwFclPY49Ug+:tSWKccXYtclPYaA

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 2756 EQNEDT32.EXE
5 2756 EQNEDT32.EXE
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

flow	pid	process
3	2756	EQNEDT32.EXE
5	2756	EQNEDT32.EXE

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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

EQNEDT32.EXEWINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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

2756 EQNEDT32.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2632 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2632 WINWORD.EXE
2632 WINWORD.EXE

pid	process
2756	EQNEDT32.EXE

pid	process
2632	WINWORD.EXE

pid	process
2632	WINWORD.EXE
2632	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2632 wrote to memory of 2852	2632	WINWORD.EXE	splwow64.exe
PID 2632 wrote to memory of 2852	2632	WINWORD.EXE	splwow64.exe
PID 2632 wrote to memory of 2852	2632	WINWORD.EXE	splwow64.exe
PID 2632 wrote to memory of 2852	2632	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\112181241c7cb66758507fdce08e40069efa3e82bedb39eb98c833e5291109d3.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2852

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
- System Location Discovery: System Language Discovery
- Launches Equation Editor
PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

Filesize
19KB

MD5
7c73038670c0f237b3ca20dfcc3fda94

SHA1
952c8fda4ddc6f3a1719ac6c5e185377829159c3

SHA256
a9ffa1170e285416189f2de645cb160372d7f58b50ceb313686afb47be567bad

SHA512
bd58c813014da011a9bd17411628e10d1c2d338600090f50c754f13dd585943a58f8915b52ac90b127cffae0c335e9d49bd4add1a5341d53930af89b8d292197

Download Submit
memory/2632-2-0x000000007122D000-0x0000000071238000-memory.dmp

Filesize
44KB

Download
memory/2632-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2632-0-0x000000002F831000-0x000000002F832000-memory.dmp

Filesize
4KB

Download
memory/2632-26-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2632-27-0x000000007122D000-0x0000000071238000-memory.dmp

Filesize
44KB

Download