agenttesla | 96539b6521bb0e7d64a0dfb6f0adf11ad2789dfe5da37d0dc50aca8db4911c33

General

Target

d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe
Size

515KB
MD5

d0673f0aefa51f422689139dda0d0d77
SHA1

04a830953c15316af8d0d5bcfdcb503b8d8d0b16
SHA256

96539b6521bb0e7d64a0dfb6f0adf11ad2789dfe5da37d0dc50aca8db4911c33
SHA512

9c9427aa1b887776b4de0936513885b0d5d23e3c6300bc59bd8152669863ffdfbfa3bbd60bc74066ad61df2a1fb2fc6b75870ca1b966c6b3fd9a2c3c99fc6bdb
SSDEEP

12288:Tv86WJ91On67RpX/PkJYm1I2I72qJWOZdSKXmPB0Ii:T86g1O67TPkJH9I/J/ZUu

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
mommy2158

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
mommy2158

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1416-13-0x0000000000400000-0x000000000044C000-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
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 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
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-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d0673f0aefa51f422689139dda0d0d77_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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4160 set thread context of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103

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	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1416	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe
1416	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1416	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103
PID 4160 wrote to memory of 1416	4160	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Users\Admin\AppData\Local\Temp\d0673f0aefa51f422689139dda0d0d77_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d0673f0aefa51f422689139dda0d0d77_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
  - outlook_office_path
  - outlook_win_path
  PID:1416

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4360,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
1⤵
PID:4548

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

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

Loading Replay Monitor...

Downloads

memory/1416-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1416-24-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/1416-23-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/1416-22-0x0000000006380000-0x00000000063D0000-memory.dmp

Filesize
320KB

Download
memory/1416-20-0x0000000005BB0000-0x0000000005C16000-memory.dmp

Filesize
408KB

Download
memory/1416-19-0x0000000004F40000-0x0000000004F58000-memory.dmp

Filesize
96KB

Download
memory/1416-18-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/1416-17-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/1416-15-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/4160-10-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/4160-7-0x0000000007E00000-0x0000000007E56000-memory.dmp

Filesize
344KB

Download
memory/4160-11-0x0000000008940000-0x00000000089AE000-memory.dmp

Filesize
440KB

Download
memory/4160-12-0x00000000089B0000-0x00000000089FE000-memory.dmp

Filesize
312KB

Download
memory/4160-9-0x000000007517E000-0x000000007517F000-memory.dmp

Filesize
4KB

Download
memory/4160-8-0x00000000030B0000-0x00000000030BA000-memory.dmp

Filesize
40KB

Download
memory/4160-16-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/4160-0-0x000000007517E000-0x000000007517F000-memory.dmp

Filesize
4KB

Download
memory/4160-6-0x0000000003090000-0x000000000309A000-memory.dmp

Filesize
40KB

Download
memory/4160-5-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/4160-4-0x0000000007C70000-0x0000000007D02000-memory.dmp

Filesize
584KB

Download
memory/4160-3-0x0000000008180000-0x0000000008724000-memory.dmp

Filesize
5.6MB

Download
memory/4160-2-0x0000000007B30000-0x0000000007BCC000-memory.dmp

Filesize
624KB

Download
memory/4160-1-0x0000000000C50000-0x0000000000CD8000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads