agenttesla | 6a60a4591be2d9e721c3280d36b7594c93799bd695b45091b8db96b0b50d3b56

General

Target

cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
Size

896KB
MD5

cf2e53eead99c4e7921b768bd649b7c3
SHA1

7ab8f464e6945d87b6377d48a02f82da856009b3
SHA256

6a60a4591be2d9e721c3280d36b7594c93799bd695b45091b8db96b0b50d3b56
SHA512

eed3fad2795df0731242a22a3ef7c5af11d1ad137148c9b59a3ca44ad7f4e2c32c1e8cb1198571ebd3fa40c65af2086cbdc78e2ee7c1d4ad08d4b6422662a248
SSDEEP

12288:SwGWFlnztZi9709q7G13E3b6CsNTkdSAXuH342Wtg2pDJUL3g8RJB9sngma31CJp:SQHztZuHr6+WuDJAnugfA2

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
moni@2419

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/4044-11-0x0000000000400000-0x000000000043C000-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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96

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	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
4044	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
4044	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4044	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
Token: SeDebugPrivilege	4044	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1680	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	95
PID 632 wrote to memory of 1680	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	95
PID 632 wrote to memory of 1680	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	95
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96
PID 632 wrote to memory of 4044	632	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cf2e53eead99c4e7921b768bd649b7c3_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:632
- C:\Users\Admin\AppData\Local\Temp\cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:1680
- C:\Users\Admin\AppData\Local\Temp\cf2e53eead99c4e7921b768bd649b7c3_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4044

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/632-10-0x000000000A280000-0x000000000A31C000-memory.dmp

Filesize
624KB

Download
memory/632-9-0x000000000A140000-0x000000000A1DE000-memory.dmp

Filesize
632KB

Download
memory/632-2-0x0000000007A80000-0x0000000008024000-memory.dmp

Filesize
5.6MB

Download
memory/632-3-0x00000000074D0000-0x0000000007562000-memory.dmp

Filesize
584KB

Download
memory/632-4-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/632-5-0x0000000002A30000-0x0000000002A3A000-memory.dmp

Filesize
40KB

Download
memory/632-6-0x0000000007930000-0x000000000793A000-memory.dmp

Filesize
40KB

Download
memory/632-7-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/632-8-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/632-14-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/632-1-0x0000000000580000-0x0000000000666000-memory.dmp

Filesize
920KB

Download
memory/632-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/4044-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4044-13-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4044-15-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4044-16-0x0000000004EA0000-0x0000000004EB8000-memory.dmp

Filesize
96KB

Download
memory/4044-17-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/4044-18-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4044-19-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4044-20-0x0000000005F50000-0x0000000005FA0000-memory.dmp

Filesize
320KB

Download
memory/4044-21-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4044-22-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download

Analysis

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