agenttesla | 67cdf9bc2d376442dad975fb8d7f73331c402fcd289cb14b40152091b0bb6cc3

General

Target

eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
Size

1.1MB
MD5

eff15f7dca4c892bca598d69600a7405
SHA1

89d21e51a73e36430f3b563eb923e2be8c727494
SHA256

67cdf9bc2d376442dad975fb8d7f73331c402fcd289cb14b40152091b0bb6cc3
SHA512

363ba5f3a4a969905648fa251b3239416afd9dbdd411f1d7130423426de4aeab5c6c80ca2f7d7fd738f1770043f97e8006eb01329acbdc86c139b690e83350c7
SSDEEP

12288:tn9QcQkDymPbnXHuOXKcbFN0onhJw8YiaZlh66Y82c:t9TryonheiaR6J

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.scriptcopy.org
Port:
587
Username:
[email protected]
Password:
t%K@flX5~T45
Email To:
[email protected]

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1384-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1384-28-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1384-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1384-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1384-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33

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

System Information Discovery
T1082

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	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.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
1868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
1384	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
1384	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
Token: SeDebugPrivilege	1384	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1384	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 1868	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	31
PID 2720 wrote to memory of 1868	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	31
PID 2720 wrote to memory of 1868	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	31
PID 2720 wrote to memory of 1868	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	31
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33
PID 2720 wrote to memory of 1384	2720	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eff15f7dca4c892bca598d69600a7405_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:2720
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ticmHI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD308.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1868
- C:\Users\Admin\AppData\Local\Temp\eff15f7dca4c892bca598d69600a7405_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eff15f7dca4c892bca598d69600a7405_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:1384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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 Information Discovery

1

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD308.tmp

Filesize
1KB

MD5
f38f2649fa525afc486cdb2f284294df

SHA1
f4c3fca45ba3754a83ac54477a5a226e5e9fb77a

SHA256
ad061a977458b94b877f0b2e2d845368b3a680ae7006b5cc28ed9139db966170

SHA512
1d070b4c81dc0fd5f736ac810d781ee820dfb65d8f226cdefdad04b283444b5f0bd8b9f4980e0be68f7d7f0acbd50c2d9378d5587b1d15c51a78904dd02b6a71

Download Submit
memory/1384-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1384-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1384-28-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1384-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1384-29-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/1384-33-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/1384-32-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/1384-30-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/1384-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1384-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1384-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1384-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-7-0x0000000001030000-0x000000000106C000-memory.dmp

Filesize
240KB

Download
memory/2720-4-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/2720-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/2720-5-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-3-0x00000000004A0000-0x00000000004BE000-memory.dmp

Filesize
120KB

Download
memory/2720-1-0x0000000001080000-0x0000000001194000-memory.dmp

Filesize
1.1MB

Download
memory/2720-31-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-2-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-6-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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