agenttesla | 4eda994af83780901593c506a4d6779f1bdb16c07d60ffd9658df0e61b5e9c45

General

Target

JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
Size

451KB
MD5

7f99a07d78dd903374974a0fcd9438c1
SHA1

ec89bbaaec8eba6155229c4d4c36713dbacb9659
SHA256

4eda994af83780901593c506a4d6779f1bdb16c07d60ffd9658df0e61b5e9c45
SHA512

5207c6bd88983caf46b7de510112a0160f9eef2040440232fec3f7ee193dd454e36519deb75cb8be1ab97ae7d50c2486b2ef827ce973bb68c4f17caa32fa7314
SSDEEP

6144:+Xb/28eTEyK1HRRsZ/h+Sr6zclRrJmyi2xSFE7I2yZor1hVEMb5qWJATMkhBx:+tAEts/h+6lrJhxSFh2yiRbYWmISBx

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.spamora.net
Port:
587
Username:
[email protected]
Password:
Emotion22

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/2820-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2820-15-0x0000000000400000-0x000000000043C000-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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe"	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35

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	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
2820	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
2820	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
Token: SeDebugPrivilege	2820	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2820	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2740	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	31
PID 2528 wrote to memory of 2740	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	31
PID 2528 wrote to memory of 2740	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	31
PID 2528 wrote to memory of 2740	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	31
PID 2528 wrote to memory of 2884	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	33
PID 2528 wrote to memory of 2884	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	33
PID 2528 wrote to memory of 2884	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	33
PID 2528 wrote to memory of 2884	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	33
PID 2528 wrote to memory of 2828	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	34
PID 2528 wrote to memory of 2828	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	34
PID 2528 wrote to memory of 2828	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	34
PID 2528 wrote to memory of 2828	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	34
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35
PID 2528 wrote to memory of 2820	2528	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe	35

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	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.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	JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pzjxjuaONrkaVQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DA3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2740
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe"
  2⤵
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe"
  2⤵
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f99a07d78dd903374974a0fcd9438c1.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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\Roaming\MLdAu\MLdAu.exe

Filesize
451KB

MD5
7f99a07d78dd903374974a0fcd9438c1

SHA1
ec89bbaaec8eba6155229c4d4c36713dbacb9659

SHA256
4eda994af83780901593c506a4d6779f1bdb16c07d60ffd9658df0e61b5e9c45

SHA512
5207c6bd88983caf46b7de510112a0160f9eef2040440232fec3f7ee193dd454e36519deb75cb8be1ab97ae7d50c2486b2ef827ce973bb68c4f17caa32fa7314

Download Submit
memory/2528-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/2528-1-0x0000000000100000-0x0000000000176000-memory.dmp

Filesize
472KB

Download
memory/2528-2-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-3-0x0000000000310000-0x000000000031A000-memory.dmp

Filesize
40KB

Download
memory/2528-4-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-5-0x00000000047B0000-0x0000000004810000-memory.dmp

Filesize
384KB

Download
memory/2528-25-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-26-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-24-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-27-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads