a9c933f65d72dfa02fb0b94476c360777cea47f0bcb36c2ec696135ca5ddad9e

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30-07-2024 03:40

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General

Target

692201af11c88bd4609ca5476b5aa8fb.rtf
Size

87KB
MD5

692201af11c88bd4609ca5476b5aa8fb
SHA1

4d40bb5f52dab9183165c75495361eda687fd5e0
SHA256

a9c933f65d72dfa02fb0b94476c360777cea47f0bcb36c2ec696135ca5ddad9e
SHA512

c17e3a5c1efb435fa1abb4800e6026eaee9e088618d327458294e9652c7ceb662589a203c43d224ae2fb254374fde6aaa76cf892412e854c71bf0f306661d32c
SSDEEP

384:1qgLPI5lpTS/GNZV+wrm+iECwgrRQI3YL2jheM:1qgQlFGhwrdurRQjKj

Score

4^/10

discovery

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

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:

WINWORD.EXEEQNEDT32.EXE

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

2440 EQNEDT32.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2296 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2296 WINWORD.EXE
2296 WINWORD.EXE

pid	process
2440	EQNEDT32.EXE

pid	process
2296	WINWORD.EXE

pid	process
2296	WINWORD.EXE
2296	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2296 wrote to memory of 2800	2296	WINWORD.EXE	splwow64.exe
PID 2296 wrote to memory of 2800	2296	WINWORD.EXE	splwow64.exe
PID 2296 wrote to memory of 2800	2296	WINWORD.EXE	splwow64.exe
PID 2296 wrote to memory of 2800	2296	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\692201af11c88bd4609ca5476b5aa8fb.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:2296

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2800

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- System Location Discovery: System Language Discovery
- Launches Equation Editor
PID:2440

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

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

Filesize
19KB

MD5
8f132929b00a5523e29e9dcb3b2db236

SHA1
84727c4b8410ce289a4d27a0183303b2394d7282

SHA256
04ff1c6c35d6c8458b2822c53dc1f7543eb75139ae1110206f57c8283bcde3ba

SHA512
a18c05a851432bf195de6155154d7a0768b3235676622024f040f8655d601b5f24c7b3cae4773ca67caab8d5a245229c8949e2cdf01b5afbfbfd687c73a50eb2

Download Submit
memory/2296-0-0x000000002F0D1000-0x000000002F0D2000-memory.dmp

Filesize
4KB

Download
memory/2296-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2296-2-0x000000007112D000-0x0000000071138000-memory.dmp

Filesize
44KB

Download
memory/2296-9-0x000000007112D000-0x0000000071138000-memory.dmp

Filesize
44KB

Download
memory/2296-27-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download