agenttesla | a81200d737976732a4c155049efb44ab89fab597c6a444aac67237a79e34a02f

General

Target

2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
Size

1022KB
MD5

2686e9df6cfb96c1365c7dbe357a77b7
SHA1

399f00bb293a7fa89443f6b984d3f4ac4cadd366
SHA256

a81200d737976732a4c155049efb44ab89fab597c6a444aac67237a79e34a02f
SHA512

bbcce922d8e05e660e0edde059f87039b8375e6ddb1d623294b3fad70d553395e7d445aefeae0633780b5d17aabe3756dd8694bc67f71d21f93a873ec05d11b9
SSDEEP

24576:IfFOnPYu5LW7opbWqAuaFDHMIKQlv0LKH2/hOri3pZN7/SjmCZc:IffWaVHMIKQlvkF/DWjmm

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 payload 5 IoCs

resource	yara_rule
behavioral1/memory/2676-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2676-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2676-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2676-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2676-17-0x0000000000400000-0x000000000043C000-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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe"	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_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	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2686e9df6cfb96c1365c7dbe357a77b7_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
2588	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
2676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
2676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
Token: SeDebugPrivilege	2676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2588	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	30
PID 1444 wrote to memory of 2588	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	30
PID 1444 wrote to memory of 2588	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	30
PID 1444 wrote to memory of 2588	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	30
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32
PID 1444 wrote to memory of 2676	1444	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2686e9df6cfb96c1365c7dbe357a77b7_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:1444
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AAvcpBnmI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA12F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2588
- C:\Users\Admin\AppData\Local\Temp\2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2686e9df6cfb96c1365c7dbe357a77b7_JaffaCakes118.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:2676

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\tmpA12F.tmp

Filesize
1KB

MD5
20619489374e871e39c73138d7631eff

SHA1
a445c8858349838c4f84a783d6fdd6868dd9b137

SHA256
53e71f021670a19ce04993fe1119fd6d7cf32375ba23520bd241325936dfa9bb

SHA512
6b56d5406cf778efa76d1af9baf155152e293684fb10d7a636a025d3049361e4f997a4379e90197089860be0240efa2fe6d099ddc8aa625fb58af6da94b0b54e

Download Submit
C:\Users\Admin\AppData\Roaming\MLdAu\MLdAu.exe

Filesize
1022KB

MD5
2686e9df6cfb96c1365c7dbe357a77b7

SHA1
399f00bb293a7fa89443f6b984d3f4ac4cadd366

SHA256
a81200d737976732a4c155049efb44ab89fab597c6a444aac67237a79e34a02f

SHA512
bbcce922d8e05e660e0edde059f87039b8375e6ddb1d623294b3fad70d553395e7d445aefeae0633780b5d17aabe3756dd8694bc67f71d21f93a873ec05d11b9

Download Submit
memory/1444-28-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1444-1-0x00000000011F0000-0x00000000012F4000-memory.dmp

Filesize
1.0MB

Download
memory/1444-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1444-3-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/1444-4-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/1444-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1444-6-0x00000000073F0000-0x000000000748E000-memory.dmp

Filesize
632KB

Download
memory/1444-7-0x0000000000CE0000-0x0000000000D1C000-memory.dmp

Filesize
240KB

Download
memory/1444-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2676-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-26-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-27-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-29-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-30-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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