agenttesla | 84606acc239f65763ce8240a0ec64287fdb6d153dbf89d01fcff63ba77586d18

General

Target

d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
Size

686KB
MD5

d19f55865ee42ec0fa3ab6c877045c71
SHA1

e25651844182ffc6efaf131b539db57dfaf66acf
SHA256

84606acc239f65763ce8240a0ec64287fdb6d153dbf89d01fcff63ba77586d18
SHA512

e5298352f3df55ba42313733fb7a91033d9eb4f599a2e3d509289f1fda1f2948fee93e9257740c1d045068201e14e1b39539951af9d7415914f035e7e1f8973e
SSDEEP

12288:TyqIXBP6wXR62mLtzLIpks6GK7mFnBXpQE9fVL6J05zg4F:uVXBPHh/Etg+lb7m1BZxV

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
AFtermath1123

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/4312-8-0x0000000000400000-0x000000000043C000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4720 set thread context of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97

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 3 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	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4520	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
4312	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
4312	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
Token: SeDebugPrivilege	4312	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4312	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 4520	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	94
PID 4720 wrote to memory of 4520	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	94
PID 4720 wrote to memory of 4520	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	94
PID 4720 wrote to memory of 4064	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	96
PID 4720 wrote to memory of 4064	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	96
PID 4720 wrote to memory of 4064	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	96
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97
PID 4720 wrote to memory of 4312	4720	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BxAbQPkiizW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14CB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4520
- C:\Users\Admin\AppData\Local\Temp\d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:4064
- C:\Users\Admin\AppData\Local\Temp\d19f55865ee42ec0fa3ab6c877045c71_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Query Registry

1

T1012

System Information Discovery

2

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp14CB.tmp

Filesize
1KB

MD5
fac12b089cbdb15da0d582751dd9d978

SHA1
dc8e97efd878f683d6159b29fe7d0682793308a6

SHA256
f313e861a45755f8c99ef98382aa95bb1a73086b17d81c0ef2beb4a76a51de92

SHA512
9c73ea1a2e8505a194d7aa26dad74a28715d7671f3b6fca4e1e52bdb4022e6e40f61563f91cb5a09171801273ce22d3a077363bec92642fd8177a6d3097dc75b

Download Submit
memory/4312-13-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4312-17-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4312-16-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4312-15-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4312-14-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4312-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4312-10-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4312-12-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4720-3-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/4720-11-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4720-4-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4720-0-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/4720-2-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4720-1-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads