agenttesla | 657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360

General

Target

50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Size

724KB
MD5

50854edd7d0b76d8934d27c093656f32
SHA1

02034f7e9c9d63ff0c689491d88800507947fac4
SHA256

657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360
SHA512

0efeb85d28f80966ed57dcff8233d25e325e1d4b7139d9c6328ebbc4c9292ed22c3ca4de79be074b270d382d8154e779c13788c4ba1187ced19731b54debe9bf
SSDEEP

12288:2dLEYstm9C86PWvo123x6IJYy0gL/+mHmq1z8H0HK7zwv5iTuj83n8gyu1UOntEH:YwUx6dgTuzyYRFWOnpl3zuoUP7p

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
22june1969

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/580-27-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/580-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/580-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/580-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/580-19-0x0000000000400000-0x000000000043C000-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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\OBjSdZX = "C:\\Users\\Admin\\AppData\\Roaming\\OBjSdZX\\OBjSdZX.exe"	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34

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	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.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
592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
580	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
580	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Token: SeDebugPrivilege	580	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 592	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	31
PID 2824 wrote to memory of 592	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	31
PID 2824 wrote to memory of 592	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	31
PID 2824 wrote to memory of 592	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	31
PID 2824 wrote to memory of 1404	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	33
PID 2824 wrote to memory of 1404	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	33
PID 2824 wrote to memory of 1404	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	33
PID 2824 wrote to memory of 1404	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	33
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34
PID 2824 wrote to memory of 580	2824	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_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:2824
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GCgThaGvGC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E79.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:592
- C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe"
  2⤵
  PID:1404
- C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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

C:\Users\Admin\AppData\Local\Temp\tmp1E79.tmp

Filesize
1KB

MD5
4a29d1df48652f39ca0f6ffa7032e6cc

SHA1
c59d50603d09488c458859db1cadbf6e0b6616d2

SHA256
0bb9a8f806a81e3ad1a2cafac3abb6858fad84d8ed9a7687b30681722aca2f0a

SHA512
c26f324cae475bf263e12f612c592466cfd028fa06067812580e11aa1760fcc0f32469f100941f40f670177212281d033451e42bee27e46823571b902cee7077

Download Submit
memory/580-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/580-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/580-32-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/580-31-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/580-30-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/580-28-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/580-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/580-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/580-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/580-27-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/580-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/580-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2824-7-0x0000000000D10000-0x0000000000D4C000-memory.dmp

Filesize
240KB

Download
memory/2824-2-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2824-1-0x0000000001330000-0x00000000013EA000-memory.dmp

Filesize
744KB

Download
memory/2824-29-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-6-0x00000000081D0000-0x000000000826E000-memory.dmp

Filesize
632KB

Download
memory/2824-5-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-4-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2824-3-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads