1cf4d4852822a36a9c57c64e0a4a7c14c27751b448910f841e0733f586239814

Analysis

max time kernel
27s
max time network
26s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11-05-2024 09:52

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General

Target

m2zen.exe
Size

210KB
MD5

3ae919d27d1e034cdcd8825e6f439397
SHA1

e35e951c0e892e3213088766c80050f5ce4c88b2
SHA256

f227037997a514d0b16dfc8e02dfc522ba409768f3c2c5faba127762851a77ca
SHA512

f5a1969770c79f8c5abb313e11c445e5d135b8667a75aa407ccbbff69d02a22c9ac47db0d3e4f7238f4ba3fe1c0d57290904464802e4ee571c594e6075bb2921
SSDEEP

6144:2vyF8JOSSS/jEuVKmRo8J7RoxkAugtddd/uU2Nkyb5ZgFgvcjXCb:2w8J9LvWddmUaZzvcjW

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 2 IoCs

Processes:

m2zen.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\m2zen.lnk	m2zen.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\m2zen.lnk	m2zen.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

m2zen.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\m2zen = "C:\\Users\\Admin\\AppData\\Local\\m2zen.exe"	m2zen.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2672 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

m2zen.exe

description pid process

Token: SeDebugPrivilege 2344 m2zen.exe

flow	ioc
4	ip-api.com

pid	process
2672	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2344	m2zen.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

m2zen.exe

description	pid	process	target process
PID 2344 wrote to memory of 2672	2344	m2zen.exe	schtasks.exe
PID 2344 wrote to memory of 2672	2344	m2zen.exe	schtasks.exe
PID 2344 wrote to memory of 2672	2344	m2zen.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\m2zen.exe
"C:\Users\Admin\AppData\Local\Temp\m2zen.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "m2zen" /tr "C:\Users\Admin\AppData\Local\m2zen.exe"
2⤵
- Creates scheduled task(s)
PID:2672

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\m2zen.exe
Filesize
210KB

MD5
3ae919d27d1e034cdcd8825e6f439397

SHA1
e35e951c0e892e3213088766c80050f5ce4c88b2

SHA256
f227037997a514d0b16dfc8e02dfc522ba409768f3c2c5faba127762851a77ca

SHA512
f5a1969770c79f8c5abb313e11c445e5d135b8667a75aa407ccbbff69d02a22c9ac47db0d3e4f7238f4ba3fe1c0d57290904464802e4ee571c594e6075bb2921

Download Submit
memory/2344-0-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x0000000001100000-0x000000000113E000-memory.dmp

Filesize
248KB

Download
memory/2344-2-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download
memory/2344-11-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

Filesize
4KB

Download
memory/2344-12-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download