agenttesla | 3908bfd056ef656e963f85ae88687456614af5df3174785fc12864ed0bd5b5fe

General

Target

d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
Size

455KB
MD5

d47f2a878c8df44243db55f77eba4144
SHA1

6c13d2c78c0435bea621d08e40b5bec744cbd062
SHA256

3908bfd056ef656e963f85ae88687456614af5df3174785fc12864ed0bd5b5fe
SHA512

7c2ec2fb6b61ca033e894a675ea596101e40011dd458bc252cbddfa3f5141847bddd262695b39d4a61fd26af11590ae8d186ae750ef686fa1116c2b27ceb2439
SSDEEP

12288:JpnXBbR+DSeYBljju9RpOD/kBwcmNao06DE:bXBfjypnwJ

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
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
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d47f2a878c8df44243db55f77eba4144_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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe"	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1064 set thread context of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90

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	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3652	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
3652	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3652	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
Token: SeDebugPrivilege	3652	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3652	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90
PID 1064 wrote to memory of 3652	1064	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Local\Temp\d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d47f2a878c8df44243db55f77eba4144_JaffaCakes118.exe"
  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:3652

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

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

Replay Monitor

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Downloads

memory/1064-0-0x0000000075472000-0x0000000075473000-memory.dmp

Filesize
4KB

Download
memory/1064-1-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1064-2-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1064-4-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1064-7-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3652-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3652-6-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3652-8-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3652-9-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3652-10-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3652-11-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3652-12-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads