13af3ad92eb86c2c95c816ac526b97c78e0aaed46535c61bf363d768bb2cb0c9

Analysis

max time kernel
61s
max time network
26s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:05

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General

Target

IoC/PO.xlsx
Size

673KB
MD5

916e97845046785cd1cecd13eb9066cb
SHA1

10482433036f11039984f19c754bb75118fee761
SHA256

4746681c92d6308c66e76d7ffc022d7fd91b91e364c3909875555dc13c13f28f
SHA512

9e9b992540e71970b3f64195e34bcbb4447f2dee690aea11a8ae4636a69e9ad16c27f43a927b5cd8b1178b9201dd460569882ee7ddf192fdb45cc3edcc8e38be
SSDEEP

12288:4HukDNlkQ4jffozcmljqcp25wqI/FMhVRCByJb0vpFP2srFVc7B2YCeNtRi5:Kv4j7TWQwqwF4IFb/c7BaUi5

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	2588	EQNEDT32.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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

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
2588	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1824	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1824	EXCEL.EXE
1824	EXCEL.EXE
1824	EXCEL.EXE

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\IoC\PO.xlsx
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1824

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:2588

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

Query Registry

T1012

System Information Discovery

T1082

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/1824-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1824-1-0x0000000073D7D000-0x0000000073D88000-memory.dmp

Filesize
44KB

Download
memory/1824-2-0x0000000073D7D000-0x0000000073D88000-memory.dmp

Filesize
44KB

Download