agenttesla | 52ec9a46714cf3e8d534d75ab78ab85e51a337073bf03ba819937c830fbdfa54

General

Target

JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe
Size

493KB
MD5

7ddd177e688a3e1a4b178b82f66428fe
SHA1

c0019eaeade79c2b1e80762b9bb0e754f15d7b59
SHA256

52ec9a46714cf3e8d534d75ab78ab85e51a337073bf03ba819937c830fbdfa54
SHA512

c7aaf3baff40d7a1d6c11a63be1a5adbd5af6a07af6d79adca72fc9abaaf35df88565d8cd80db6a478252a1dbe417e3b0c22b2b5428063a75fdddbf4b1f34fe5
SSDEEP

12288:RUi2iNQePo/xOoqSW9Dvbk1u/AO1irieZ1QIAptQWMmsxt:RUi1Q/koq5zEO1+dyIAp+Waxt

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.karanex.com
Port:
587
Username:
[email protected]
Password:
zarazita404

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2648-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-9-0x0000000000400000-0x000000000043C000-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	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2312 set thread context of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.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	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2648	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe
2648	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2648	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2648	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe	31
PID 2312 wrote to memory of 2648	2312	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.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	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.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	JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ddd177e688a3e1a4b178b82f66428fe.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - 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:2648

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

Replay Monitor

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Downloads

memory/2312-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2312-1-0x0000000000CF0000-0x0000000000D72000-memory.dmp

Filesize
520KB

Download
memory/2312-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-3-0x0000000000290000-0x000000000029E000-memory.dmp

Filesize
56KB

Download
memory/2312-4-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-5-0x0000000000C90000-0x0000000000CF0000-memory.dmp

Filesize
384KB

Download
memory/2312-18-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-19-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-17-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-20-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-21-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-22-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-23-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download

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