agenttesla | e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4

General

Target

JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
Size

438KB
MD5

40a931986e5bf561e932144f66730a3d
SHA1

5e3f8cfe8b6fb95ed0d9c5737f0bce48be65421a
SHA256

e8309fe398b789d3706ae732c85cdf0aeb1fc7731a478cb60eb4a75b9641d9f4
SHA512

6c2ab098edebbdbd34228d04638ecd18cf703a66d1258b4336d1698f888e73b2f39c733504e54c13e29873224dd71014df0fa1d0d54f5d571dc10cc2b5da5d64
SSDEEP

6144:h5TLNJV+oJbP2SLlyq0FQkh2ruU5Ag6Co3AXvXcj9Tpo2kYw:LbBrepQ+2SUigLfX52Bw

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.securido.my
Port:
587
Username:
[email protected]
Password:
securido2411

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4332-11-0x0000000000400000-0x000000000043C000-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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3096 set thread context of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99

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	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
4332	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
4332	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
Token: SeDebugPrivilege	4332	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99
PID 3096 wrote to memory of 4332	3096	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40a931986e5bf561e932144f66730a3d.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:4332

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 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\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_40a931986e5bf561e932144f66730a3d.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3096-10-0x0000000006440000-0x00000000064A0000-memory.dmp

Filesize
384KB

Download
memory/3096-3-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/3096-1-0x0000000000250000-0x00000000002C4000-memory.dmp

Filesize
464KB

Download
memory/3096-4-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

Filesize
40KB

Download
memory/3096-5-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/3096-6-0x0000000005F70000-0x000000000600C000-memory.dmp

Filesize
624KB

Download
memory/3096-7-0x00000000050D0000-0x00000000050DE000-memory.dmp

Filesize
56KB

Download
memory/3096-8-0x00000000751EE000-0x00000000751EF000-memory.dmp

Filesize
4KB

Download
memory/3096-15-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/3096-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

Filesize
4KB

Download
memory/3096-9-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/3096-2-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/4332-23-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4332-14-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4332-16-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4332-17-0x00000000053C0000-0x00000000053D8000-memory.dmp

Filesize
96KB

Download
memory/4332-18-0x0000000005E90000-0x0000000005EF6000-memory.dmp

Filesize
408KB

Download
memory/4332-19-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4332-20-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4332-21-0x0000000006570000-0x00000000065C0000-memory.dmp

Filesize
320KB

Download
memory/4332-22-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4332-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

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