e31c1ef794df4e997ed02315de8f9252fe45bfd7dad9dcf55f80e2b54ed474c0

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
21-07-2023 16:15

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General

Target

1.xls
Size

172KB
MD5

61cb38716a87e273057cb9b4bc753ec4
SHA1

42e387d0019c0750fd50b98e9768439dc82b95c3
SHA256

e31c1ef794df4e997ed02315de8f9252fe45bfd7dad9dcf55f80e2b54ed474c0
SHA512

2914f27cfa7964057dcfe3402c7efc81f40784b9d81ac68e811828fd461c21d4aa9cb5e2a1f9678aaff4fc3a4e7a428637f2bf9a83b145ee5a55d1c081870b32
SSDEEP

3072:3fk1o6PVrasJt6vyYlZecMVCD7tpYxcZLLbsFjB2b1QSlRSfdYO5D91lN2T0:3fk1n9rasJOyYacMVCEalLbsBB2VvS++

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	2644	EQNEDT32.EXE
7	2644	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
2644	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2320	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2320	EXCEL.EXE
2320	EXCEL.EXE
2320	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\1.xls
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2320

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:2644

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2320-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2320-55-0x0000000073D7D000-0x0000000073D88000-memory.dmp

Filesize
44KB

Download
memory/2320-62-0x0000000073D7D000-0x0000000073D88000-memory.dmp

Filesize
44KB

Download