agenttesla | 4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a

General

Target

JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
Size

731KB
MD5

e1aaa1e3dec10d718e4e84910551a653
SHA1

7dd70ebbe1edcb54243f7121078b1d830d2c0037
SHA256

4b262f1bd085b52cf50d807380725e06f3728f34ca554c1b364cc88a58f55d8a
SHA512

a3628f9dbe9feaf7bbf1aae4a38798ebf811bbe9657c6df2866d1e355fa3200c3f6a69ebeb316ec65109b14e1a77d4967a83904fd168334e2f7d626410257616
SSDEEP

12288:jQKlh08OGQuZLvqJFTP8TQ/8SfwH5ADOfW3jCaFUmMKWOTevZHQxtnAZTrBhe43:4nGQYTqD/DwiKfW3j9UVvZHQTE

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.msjfurniturewll.com
Port:
587
Username:
[email protected]
Password:
abc@1234!5
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/2748-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2748-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2748-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2748-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2748-13-0x0000000000400000-0x000000000043C000-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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\jNnIJrO = "C:\\Users\\Admin\\AppData\\Roaming\\jNnIJrO\\jNnIJrO.exe"	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2312 set thread context of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.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	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.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
2660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
2748	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
2748	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2748	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
Token: SeDebugPrivilege	2748	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2748	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2660	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	31
PID 2312 wrote to memory of 2660	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	31
PID 2312 wrote to memory of 2660	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	31
PID 2312 wrote to memory of 2660	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	31
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33
PID 2312 wrote to memory of 2748	2312	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RdkbDKRksCKjc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9DB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2660
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1aaa1e3dec10d718e4e84910551a653.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2748

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\Local\Temp\tmpD9DB.tmp

Filesize
1KB

MD5
e3e23baead9b2c00d5fc54830c0d6a02

SHA1
c2f030c404060b8e342f676e5bb4d7ebe031b86e

SHA256
180393b724b506c93deba7ac61da1d77bdd942c87d884e814951b497037b7980

SHA512
9257eba16752509e2e0ef5957a54fd00a64dce0ed641967fd0344ec83597966a54452d13eba39ec45f7a1cacecb53d1b8f408d5a7bc7f9826e078cfcafda4e75

Download Submit
memory/2312-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2312-1-0x0000000000900000-0x00000000009BE000-memory.dmp

Filesize
760KB

Download
memory/2312-2-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-3-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/2312-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2312-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-6-0x0000000005BE0000-0x0000000005C62000-memory.dmp

Filesize
520KB

Download
memory/2312-7-0x0000000000430000-0x000000000046C000-memory.dmp

Filesize
240KB

Download
memory/2312-27-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-26-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-25-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-28-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-29-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads