agenttesla | 4bc2729e5b788a1bcd5a448554a95f0cac8ade152b6afb4b4a62d9ecbba3610c

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 17:46

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General

Target

c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
Size

771KB
MD5

c7580bf5a887e8c31c50eaa13824a8a4
SHA1

4ebc4eec2c42364cff827c98ca5c31429a27b8f2
SHA256

4bc2729e5b788a1bcd5a448554a95f0cac8ade152b6afb4b4a62d9ecbba3610c
SHA512

fa40cce471b26740816f129db1903ef14199af500f68f4d6670cdb390bc5d0f0718c66acbdefbedf7753dfd101f54342ea6672f8ab644ce9d762147fae8cfccf
SSDEEP

12288:Hi8qmDnPyX8ylwhz8n4l7OUrYqYwYTtlNdUJIP0v/SQmZQawSvqr6yr6t/uNPT:CBeyXKx8n4IUrWtVQlyQOQR6yrw/ab

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.greenslr.com
Port:
587
Username:
[email protected]
Password:
LL$fdJK6

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral1/memory/1624-12-0x0000000001CD0000-0x0000000001D22000-memory.dmp	family_agenttesla
behavioral1/memory/1624-11-0x0000000001CD0000-0x0000000001D22000-memory.dmp	family_agenttesla
behavioral1/memory/1624-9-0x0000000000400000-0x00000000004B0000-memory.dmp	family_agenttesla
behavioral1/memory/1624-7-0x0000000000400000-0x00000000004B0000-memory.dmp	family_agenttesla
behavioral1/memory/1624-24-0x0000000000400000-0x00000000004B0000-memory.dmp	family_agenttesla
behavioral1/memory/1624-23-0x0000000000400000-0x00000000004B0000-memory.dmp	family_agenttesla
behavioral1/memory/1624-25-0x0000000000400000-0x00000000004B0000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1624-6-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/1624-9-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/1624-8-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/1624-7-0x0000000000400000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/1624-3-0x0000000000400000-0x00000000004B0000-memory.dmp	upx

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 1624	2556	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	30

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
2628	netsh.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2556	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
1624	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
1624	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2556	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1624	2556	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	30
PID 2556 wrote to memory of 1624	2556	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	30
PID 2556 wrote to memory of 1624	2556	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	30
PID 2556 wrote to memory of 1624	2556	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	30
PID 1624 wrote to memory of 2628	1624	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	33
PID 1624 wrote to memory of 2628	1624	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	33
PID 1624 wrote to memory of 2628	1624	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	33
PID 1624 wrote to memory of 2628	1624	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Users\Admin\AppData\Local\Temp\c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c7580bf5a887e8c31c50eaa13824a8a4_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1624
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1624-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1624-6-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1624-12-0x0000000001CD0000-0x0000000001D22000-memory.dmp

Filesize
328KB

Download
memory/1624-11-0x0000000001CD0000-0x0000000001D22000-memory.dmp

Filesize
328KB

Download
memory/1624-9-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1624-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1624-3-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1624-24-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1624-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1624-25-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2556-1-0x0000000000468000-0x0000000000472000-memory.dmp

Filesize
40KB

Download
memory/2556-0-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2556-2-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download