agenttesla | 3a424e7e6289079d5cd9b836d7444c5924733cd5581b57189fa88af2b750e644

General

Target

12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Size

622KB
MD5

12f8c645d60e20bf6ad00823d83b13d6
SHA1

c5f129679e967ed6c99db62a64ff54f53613fd16
SHA256

3a424e7e6289079d5cd9b836d7444c5924733cd5581b57189fa88af2b750e644
SHA512

22734175e621f6df01ed84d14c86cef1acb5196e596fcf44d5370f6dc8714b229bc5e68ec260c63861e7a53c9d0562fa0aec3a3e7c0a9a22a656007fa6688465
SSDEEP

12288:Wcdn9Pox2engU3L9iCXCQUy+NLBreWNAMg+MMMMMMMMMMMuMMMMMMMMMMMMMMMMx:WG+9cCStVreKg+MMMMMMMMMMMuMMMMMe

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
s1.20mb.nl
Port:
587
Username:
[email protected]
Password:
fgd436-=/eVNM!!@#)mmnb
Email To:
[email protected]

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/2808-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-29-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-31-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-30-0x0000000000400000-0x000000000043C000-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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1796 set thread context of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38

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 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2464	powershell.exe
3000	powershell.exe
2740	powershell.exe
1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
2808	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
2808	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
Token: SeDebugPrivilege	2464	powershell.exe
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	2808	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2464	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	32
PID 1796 wrote to memory of 2464	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	32
PID 1796 wrote to memory of 2464	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	32
PID 1796 wrote to memory of 2464	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	32
PID 1796 wrote to memory of 3000	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	34
PID 1796 wrote to memory of 3000	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	34
PID 1796 wrote to memory of 3000	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	34
PID 1796 wrote to memory of 3000	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	34
PID 1796 wrote to memory of 2740	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	36
PID 1796 wrote to memory of 2740	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	36
PID 1796 wrote to memory of 2740	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	36
PID 1796 wrote to memory of 2740	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	36
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38
PID 1796 wrote to memory of 2808	1796	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe	38

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	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.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	12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_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:1796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2464
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\12f8c645d60e20bf6ad00823d83b13d6_JaffaCakes118.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
8b3ee58196551cfdf61257a46ae1b188

SHA1
9e8064f0282f7ad233f24ab16f198b3abb40ca8d

SHA256
e7afc199f81e17f29f1a5d62535436e4cd4da6edd2ca039078568888b6117bd4

SHA512
333da0ef7666f34594226e8846ead22eb2ddcb8844d4f483b7f8b954bf5d64012910f82aa55290d1676fc41bfd7f77c685ca4ae38bd1d18cd5f4d7754cde69e2

Download Submit
memory/1796-19-0x00000000047E0000-0x0000000004808000-memory.dmp

Filesize
160KB

Download
memory/1796-11-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1796-32-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1796-1-0x0000000000A80000-0x0000000000B20000-memory.dmp

Filesize
640KB

Download
memory/1796-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1796-12-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1796-18-0x00000000043B0000-0x00000000043F8000-memory.dmp

Filesize
288KB

Download
memory/1796-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2464-5-0x00000000025C0000-0x0000000002600000-memory.dmp

Filesize
256KB

Download
memory/2808-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-29-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-31-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-30-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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