5eddfcfbde12dfd59c1ddd866546c9604f392d350ebc83a0ef58f5026e4fea4d

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:18

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General

Target

967059c927f066a79905cf5a2f99562ca72409238322098e8ac93c905e75a1af.rtf
Size

4KB
MD5

2d6060a66195cf2a68d79606b5eae8f8
SHA1

426a17bf4ec7f5eb61ca038032fdea22ec401379
SHA256

967059c927f066a79905cf5a2f99562ca72409238322098e8ac93c905e75a1af
SHA512

55f0c46bd8fa99604238b06e5bd8737574d69f12b6e52adc3b253805952616f3e7da0a7aa179c1a8bd1d3b07fcab1a49ddd4bbd057c34ca8fb957c78b8269754
SSDEEP

96:QLl3HYpkWq2Ngv+yp5UglURVkFvHADrseco7VLo6EEGrvJAt5PbANI:iloisN6p59loSFCsA7VREEGrRQ5PbAu

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
4	2884	EQNEDT32.EXE
5	2884	EQNEDT32.EXE
7	2884	EQNEDT32.EXE
8	2884	EQNEDT32.EXE
9	2884	EQNEDT32.EXE

Drops file in Windows directory 1 IoCs

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

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

pid	Process
2884	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2472	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2472	WINWORD.EXE
2472	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2304	2472	WINWORD.EXE	32
PID 2472 wrote to memory of 2304	2472	WINWORD.EXE	32
PID 2472 wrote to memory of 2304	2472	WINWORD.EXE	32
PID 2472 wrote to memory of 2304	2472	WINWORD.EXE	32

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\967059c927f066a79905cf5a2f99562ca72409238322098e8ac93c905e75a1af.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:2472
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2304

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:2884

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

Replay Monitor

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Downloads

memory/2472-0-0x000000002F1F1000-0x000000002F1F2000-memory.dmp

Filesize
4KB

Download
memory/2472-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2472-2-0x0000000070EFD000-0x0000000070F08000-memory.dmp

Filesize
44KB

Download
memory/2472-6-0x0000000070EFD000-0x0000000070F08000-memory.dmp

Filesize
44KB

Download