agenttesla | 4e44c62d028f35f6f5f5aa53550596b5e3e623fa852982224e7a1bd72d882e21

General

Target

ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Size

702KB
MD5

ce7f33af9bb464f04a223985c12e147a
SHA1

e5b97f6a6ddeda98c3401d50f9a0ee63e43d5cbb
SHA256

4e44c62d028f35f6f5f5aa53550596b5e3e623fa852982224e7a1bd72d882e21
SHA512

eb0de9e73a3f993d4527ee934c42024275ec14d16bf2ad2a548ef7b86509fd530552c46006f31bc03dbddb05bdd19182c4e27af451e74864a325de67f8b36074
SSDEEP

12288:WkHkjtx4+xcP21lJFaQ6VTW/gCZkxz3Jp/dsgbXetvpMFSH79gw6+afWV3art0P1:XHkz4+xkiqQTnGl27f

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.visiontel.co
Port:
587
Username:
[email protected]
Password:
VisionTel@GM001
Email To:
[email protected]

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/2660-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2660-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2660-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2660-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2660-15-0x0000000000400000-0x000000000043C000-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
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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2660	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
2660	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2660	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31
PID 2788 wrote to memory of 2660	2788	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2660-21-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-25-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-23-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-22-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-26-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-24-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2788-8-0x0000000000830000-0x0000000000870000-memory.dmp

Filesize
256KB

Download
memory/2788-7-0x00000000051B0000-0x000000000520E000-memory.dmp

Filesize
376KB

Download
memory/2788-1-0x0000000000100000-0x00000000001B6000-memory.dmp

Filesize
728KB

Download
memory/2788-20-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2788-6-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-5-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2788-4-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download
memory/2788-3-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-2-0x00000000008B0000-0x0000000000912000-memory.dmp

Filesize
392KB

Download

Analysis

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