agenttesla | 39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287

General

Target

JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
Size

496KB
MD5

6285ae9a1953232716b7817c6bce1ba6
SHA1

8ea818cd4c61b6c53a5eea7f5ff19cdd9e60a8fb
SHA256

39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287
SHA512

2dbdebc96f92dfda7a146f3ade91af8b4ac66ab9dd9d51b5efb72a0b5cd789086b49cdb435e837a013d7a29e9a4a9c148ad5ece84e2129fad84c5944b9485581
SSDEEP

12288:fPVEdXo7/apwbQB6R751Hlie+XhTalWP6lTcNeH1ug2nMnMqDXWxbnN:3VKu/jbp3lihmUiKwHs

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1944842353:AAF4AUZAlM1Eseaom3hr9cg9ol6hzIat_qw/sendDocument

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/988-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/988-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/988-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/988-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/988-16-0x0000000000400000-0x000000000043C000-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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 944 set thread context of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33

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	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
988	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
988	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
Token: SeDebugPrivilege	988	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
988	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2720	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	31
PID 944 wrote to memory of 2720	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	31
PID 944 wrote to memory of 2720	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	31
PID 944 wrote to memory of 2720	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	31
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33
PID 944 wrote to memory of 988	944	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aIsPxrpSE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC330.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2720
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6285ae9a1953232716b7817c6bce1ba6.exe"
  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:988

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

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

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Downloads

memory/944-0-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/944-1-0x0000000000F70000-0x0000000000FF2000-memory.dmp

Filesize
520KB

Download
memory/944-2-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/944-4-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/944-3-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/944-5-0x0000000000980000-0x000000000098E000-memory.dmp

Filesize
56KB

Download
memory/944-6-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/944-7-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/944-8-0x0000000004AF0000-0x0000000004B50000-memory.dmp

Filesize
384KB

Download
memory/944-26-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/988-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/988-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-27-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/988-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-25-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/988-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-28-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/988-29-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads