2c99d1da11bf3b9a534dbddbb27fc8128911cdcfb13cd8014cb84573819bd05c

Resubmissions

02/08/2023, 20:07

230802-ywfwyshf77 8

02/08/2023, 20:04

230802-ytmxgshf65 8

Analysis

max time kernel
61s
max time network
32s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
02/08/2023, 20:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cm9292000000000000000###########rr000000000000000000###448900000.rtf
Size

21KB
MD5

e26f05916ee04b50b7e98416f0905b8c
SHA1

052de0ebe2859f981c00dd74de5737f284a8298e
SHA256

2c99d1da11bf3b9a534dbddbb27fc8128911cdcfb13cd8014cb84573819bd05c
SHA512

36150370365f32e0f1cc07be1ca426ad0283375239c0909f7ae1bdf27daeac44dedc2224d408e62c7dc1e14668a4c8aabcd63e1feb5cc73a94bb64c930df89a9
SSDEEP

384:tNP4e6T0IV352UbSTTFQSlIYidbvx+JKLvFFI+PK:T6THV3YmSTTFQSa5JvxfLvFFxK

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2236	EQNEDT32.EXE
7	2236	EQNEDT32.EXE

Downloads MZ/PE file

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
2236	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1632	WINWORD.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1632	WINWORD.EXE
1632	WINWORD.EXE
1632	WINWORD.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\cm9292000000000000000###########rr000000000000000000###448900000.rtf"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1632

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
- Launches Equation Editor
PID:2236

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1632-53-0x000000002F740000-0x000000002F89D000-memory.dmp

Filesize
1.4MB

Download
memory/1632-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1632-55-0x0000000070ADD000-0x0000000070AE8000-memory.dmp

Filesize
44KB

Download
memory/1632-58-0x000000002F740000-0x000000002F89D000-memory.dmp

Filesize
1.4MB

Download
memory/1632-59-0x0000000070ADD000-0x0000000070AE8000-memory.dmp

Filesize
44KB

Download