agenttesla | 3363388b66cef6f3af92a059120e6c35d9ad7c3405c6ba75f830f14ce573fefe

General

Target

e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe
Size

1.5MB
MD5

e7a4adfd262491d1e7671220dc41e458
SHA1

eb7b3196e464da03710db5230cf51e61a653d2e6
SHA256

3363388b66cef6f3af92a059120e6c35d9ad7c3405c6ba75f830f14ce573fefe
SHA512

62ed8bdf17d3c6b67f26343061ff1b84bf556f6271e6c8881498a32167354e19c0cdba3481a43a0ef451b8975dec7d0928fda3bf4edb6bcf0f7d6c4533021402
SSDEEP

24576:mu6J33O0c+JY5UZ+XC0kGso6Fa9lvYD9yqGEbuv4RhdQPh8WY:ou0c++OCvkGs9Fa9XY

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral1/memory/2520-10-0x0000000000400000-0x0000000000456000-memory.dmp	family_agenttesla
behavioral1/memory/2520-11-0x0000000000400000-0x0000000000456000-memory.dmp	family_agenttesla
behavioral1/memory/2520-3-0x0000000000400000-0x0000000000456000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\win32 = "C:\\Users\\Admin\\AppData\\Roaming\\win32\\win32.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 2520	2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	MSBuild.exe
2520	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe
2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe
2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe
2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe
2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2520	2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2520	2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2520	2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2520	2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2520	2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2520	2120	e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e7a4adfd262491d1e7671220dc41e458_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.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
  - outlook_office_path
  - outlook_win_path
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2120-0-0x00000000005F0000-0x000000000063F000-memory.dmp

Filesize
316KB

Download
memory/2120-1-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

Download
memory/2520-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2520-10-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2520-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2520-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2520-12-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/2520-13-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-14-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/2520-15-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-17-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-18-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads