agenttesla | 756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 11:34

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General

Target

fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
Size

537KB
MD5

fa548af33ac073be63464186b33198aa
SHA1

6a49f366a9e962fca0f33d4fbd9a7bab9b076306
SHA256

756feeaec24bcada5d473a53931ac665c2a159083f408d41e7fe1c8fcb0b9a6b
SHA512

47378048c422c793cffb091c782739ae34fd39788820c73c49215a6e859768c9e89d0e73f7aa7284ad5f6254add180d57c95b2a8a0b72b5f60524663eac7b962
SSDEEP

12288:esd0O4v8zUmO7UoWVCa6Y8VRlDwMnAm3U8yoewrAjNZE8u:Tb4v2UmOFWWpTlD99y9wMjXc

Score

10^/10

agenttesla collection credential_access discovery evasion keylogger persistence privilege_escalation rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2632-18-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2632-23-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2632-20-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2632-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2632-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

resource	yara_rule
behavioral1/memory/2692-4-0x0000000004370000-0x00000000043C8000-memory.dmp	rezer0

Disables Task Manager via registry modification
evasion

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe

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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 5 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	REG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa548af33ac073be63464186b33198aa_JaffaCakes118.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
2972	netsh.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3000	REG.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
Token: SeDebugPrivilege	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2700	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	28
PID 2692 wrote to memory of 2700	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	28
PID 2692 wrote to memory of 2700	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	28
PID 2692 wrote to memory of 2700	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	28
PID 2692 wrote to memory of 2652	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2652	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2652	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2652	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2920	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2920	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2920	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2920	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2692 wrote to memory of 2632	2692	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	32
PID 2632 wrote to memory of 3000	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	34
PID 2632 wrote to memory of 3000	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	34
PID 2632 wrote to memory of 3000	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	34
PID 2632 wrote to memory of 3000	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	34
PID 2632 wrote to memory of 2972	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	38
PID 2632 wrote to memory of 2972	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	38
PID 2632 wrote to memory of 2972	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	38
PID 2632 wrote to memory of 2972	2632	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe	38

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa548af33ac073be63464186b33198aa_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa548af33ac073be63464186b33198aa_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IFaysgfEOJsfZd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5BC6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2700
- C:\Users\Admin\AppData\Local\Temp\fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:2920
- C:\Users\Admin\AppData\Local\Temp\fa548af33ac073be63464186b33198aa_JaffaCakes118.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2632
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:3000
- - 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:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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 Information Discovery

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5BC6.tmp

Filesize
1KB

MD5
ab626dbda634bbb64346213f534b6afd

SHA1
be8ea78c45c25dd062076ca4c4ceff7decd8524a

SHA256
dec2939cf19f04ffb558029d8d2417376a5774b7d6bc13f45734156a2e44b08b

SHA512
8c4951c17afb07f712238f2c47d451ceb79e03441840bac062ef0b2060b4f6ffc1fdac0c2f3aaf3fc04187f5319025b3ed6330dd644a77f7796cdb58a8e2ee5d

Download Submit
memory/2632-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2632-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2632-27-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-25-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2632-20-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2632-18-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2632-10-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2632-23-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2632-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2632-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-1-0x0000000000260000-0x00000000002EC000-memory.dmp

Filesize
560KB

Download
memory/2692-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/2692-2-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-24-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-4-0x0000000004370000-0x00000000043C8000-memory.dmp

Filesize
352KB

Download
memory/2692-3-0x00000000002F0000-0x00000000002F8000-memory.dmp

Filesize
32KB

Download