agenttesla | 967a436c612a4bb8d24551b05dec0a18b933033c5ed7a7b7fe883e8234b73a89

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 22:32

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General

Target

d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
Size

723KB
MD5

d094785ecc5bbf49a83e3deac91a04d8
SHA1

a7b5ab11f15d781f5d983043f42ec8b873d1bf19
SHA256

967a436c612a4bb8d24551b05dec0a18b933033c5ed7a7b7fe883e8234b73a89
SHA512

080630d4ed78fa2f595cc0aab60d2127d8b591fa38fd18d0012eb56bbb8d0d9e8e3b5dda8a1ed1df64602e7b7e9ca033bc3fae25ddd259af21958a8aff4402c9
SSDEEP

12288:ncFUncJ54irus265GoqlDX1YH0COI+w7Ror6PpGg+l2K3RYUOk8vjeislQue0:NnYnuRcBIoGblBh8vhsmK

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 8 IoCs

resource	yara_rule
behavioral1/memory/2396-15-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2396-12-0x0000000000340000-0x000000000037C000-memory.dmp	family_agenttesla
behavioral1/memory/2396-11-0x0000000000340000-0x000000000037C000-memory.dmp	family_agenttesla
behavioral1/memory/2396-10-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2396-9-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2396-27-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2396-26-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral1/memory/2396-29-0x0000000000400000-0x0000000000485000-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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sales.vbs	notepad.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 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/2396-15-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/2396-10-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/2396-9-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/2396-8-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral1/memory/2396-6-0x0000000000400000-0x0000000000485000-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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2396	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	31

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	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
2396	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
2396	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2376	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2376	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2376	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2376	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2376	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2376	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2396	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2396	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2396	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2396	2692	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:2376
- C:\Users\Admin\AppData\Local\Temp\d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d094785ecc5bbf49a83e3deac91a04d8_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2376-14-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2376-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2396-11-0x0000000000340000-0x000000000037C000-memory.dmp

Filesize
240KB

Download
memory/2396-6-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2396-29-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2396-15-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2396-26-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2396-12-0x0000000000340000-0x000000000037C000-memory.dmp

Filesize
240KB

Download
memory/2396-27-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2396-10-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2396-9-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2396-8-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2692-3-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2692-1-0x00000000005E0000-0x00000000005F0000-memory.dmp

Filesize
64KB

Download
memory/2692-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2692-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2692-2-0x00000000005E0000-0x00000000005F0000-memory.dmp

Filesize
64KB

Download