agenttesla | b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4

General

Target

4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Size

1.5MB
MD5

4494b2b76c93a8eaf0c95fb04c7eff70
SHA1

3f851cc1f324d316a341d8113f9ccf8021ee7b4c
SHA256

b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4
SHA512

4053854888f9381edc83ef9b89ff60c8ad878d640ac58a14d2f262abd8d09b16f046beb7b3fd301938fe1de113c236bef1fe43658db9be3511c9f7d95cc67a07
SSDEEP

24576:bZhWmQaCOpzry5nKE1BXLUbwm4EZZS5R0:P4Opffiqwm4E3B

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aninditaeng.net
Port:
587
Username:
[email protected]
Password:
t2weClGi1f~7Elps
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/2584-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2584-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2584-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2584-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2584-15-0x0000000000400000-0x000000000043C000-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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32

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	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4494b2b76c93a8eaf0c95fb04c7eff70_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
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
2584	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
2584	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Token: SeDebugPrivilege	2584	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2584	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2868	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	30
PID 2904 wrote to memory of 2868	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	30
PID 2904 wrote to memory of 2868	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	30
PID 2904 wrote to memory of 2868	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	30
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32
PID 2904 wrote to memory of 2584	2904	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_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:2904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iOWadfFR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB876.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2868
- C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_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:2584

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\tmpB876.tmp

Filesize
1KB

MD5
ada8260021c6cb387073086a6401d664

SHA1
e76d93c4f07c858fbd7b227598adffc7e74dcc09

SHA256
b9f2bdfd671c7add56c1fefb8d14b8a021899580ad134e6e78853307959a3bad

SHA512
5c1fc33c72f803d53c116922e2d736667b3d21be416b227ff521b9d5c0f691ad49d27c54d3d081da2b55cd5b4700b84f2a6d53aef250eb22c909e076362e15e6

Download Submit
memory/2584-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-30-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2584-29-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2584-27-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2584-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2584-26-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-1-0x0000000000CB0000-0x0000000000E3E000-memory.dmp

Filesize
1.6MB

Download
memory/2904-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2904-7-0x0000000000BB0000-0x0000000000BEC000-memory.dmp

Filesize
240KB

Download
memory/2904-6-0x00000000057D0000-0x0000000005872000-memory.dmp

Filesize
648KB

Download
memory/2904-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-28-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2904-3-0x0000000000490000-0x00000000004AE000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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