1650fa7dfd5cc553776b130e27195d407ab18a356773e0c4b471102764ef25dd

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2022 05:22

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General

Target

smes.exe
Size

1.1MB
MD5

2c9f626447ae964cea8cc43daf078e70
SHA1

e6f9fed713f822348c289ab37e1e559f6738865e
SHA256

1650fa7dfd5cc553776b130e27195d407ab18a356773e0c4b471102764ef25dd
SHA512

65ccfa2a7ad4167aa157ece29906411dc2a4dd45027520e89f1a29c3a4ef6315b404c8ecf3a54f7b7ab348635b813f0a96f762ba2633d4499f9a56eb53978449

Score

10^/10

collection

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
bhavnatutor.com
Port:
587
Username:
[email protected]
Password:
Onyeoba111

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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

18 ifconfig.me
Suspicious use of SetThreadContext 1 IoCs

Processes:

smes.exe

description pid process target process

PID 60 set thread context of 5012 60 smes.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

MSBuild.exe

pid process

5012 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 5012 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

smes.exe

pid process

60 smes.exe
60 smes.exe
60 smes.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

smes.exe

pid process

60 smes.exe
60 smes.exe
60 smes.exe

flow	ioc
18	ifconfig.me

description	pid	process	target process
PID 60 set thread context of 5012	60	smes.exe	MSBuild.exe

pid	process
5012	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	5012	MSBuild.exe

pid	process
60	smes.exe
60	smes.exe
60	smes.exe

pid	process
60	smes.exe
60	smes.exe
60	smes.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

smes.exe

description	pid	process	target process
PID 60 wrote to memory of 5012	60	smes.exe	MSBuild.exe
PID 60 wrote to memory of 5012	60	smes.exe	MSBuild.exe
PID 60 wrote to memory of 5012	60	smes.exe	MSBuild.exe
PID 60 wrote to memory of 5012	60	smes.exe	MSBuild.exe
PID 60 wrote to memory of 5012	60	smes.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\smes.exe
"C:\Users\Admin\AppData\Local\Temp\smes.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:60
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/60-135-0x0000000003390000-0x00000000033AF000-memory.dmp

Filesize
124KB

Download
memory/5012-131-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5012-130-0x0000000000000000-mapping.dmp

Download
memory/5012-136-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/5012-137-0x00000000056E0000-0x000000000577C000-memory.dmp

Filesize
624KB

Download
memory/5012-138-0x0000000006260000-0x00000000062C6000-memory.dmp

Filesize
408KB

Download
memory/5012-139-0x00000000069D0000-0x0000000006A62000-memory.dmp

Filesize
584KB

Download
memory/5012-140-0x0000000006990000-0x000000000699A000-memory.dmp

Filesize
40KB

Download