agenttesla | 6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 10:40

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General

Target

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Size

770KB
MD5

1ebb3bdbff7609fed911a72e3706fe8b
SHA1

66a03f5934d58cf32f5691e5975c4224d722a105
SHA256

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0
SHA512

4ed49c4f92e32cda7eb81b997956dc4f3785fd180104f2d6fbc886d208df8f404e88346c1eedd73600398fceb3d695da3554047431dd455aee8eda72a9d15c90
SSDEEP

12288:ccboBmYWu1Qr5U7k9mWSZSdM+r1RVIuggUJSc:uWjrQwmfUvfOSc

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.penavico--cz.com
Port:
587
Username:
[email protected]
Password:
Fq$L%J((!6

Signatures

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

AgentTesla payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1908-9-0x00000000000F0000-0x000000000012C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-7-0x00000000000F0000-0x000000000012C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-25-0x00000000000F0000-0x000000000012C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-20-0x00000000000F0000-0x000000000012C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-16-0x00000000000F0000-0x000000000012C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-15-0x00000000000F0000-0x000000000012C000-memory.dmp	family_agenttesla
behavioral1/memory/1912-53-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla
behavioral1/memory/1912-50-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla
behavioral1/memory/1912-46-0x0000000000080000-0x00000000000BC000-memory.dmp	family_agenttesla

Executes dropped EXE 3 IoCs

Processes:

rb57.exerb57.exerb57.exe

pid	Process
1900	rb57.exe
1912	rb57.exe
1180	rb57.exe

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

Processes:

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exerb57.exe

description	pid	Process	procid_target
PID 2148 set thread context of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 1900 set thread context of 1912	1900	rb57.exe	40

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 11 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

Processes:

rb57.execmd.execmd.exe6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exeschtasks.execmd.exerb57.exeschtasks.exerb57.exe6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rb57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rb57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rb57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exe

pid	Process
2920	schtasks.exe
3008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exerb57.exe

pid	Process
1908	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
1908	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
1912	rb57.exe
1912	rb57.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exerb57.exerb57.exerb57.exe

description	pid	Process
Token: SeDebugPrivilege	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Token: SeDebugPrivilege	1908	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
Token: SeDebugPrivilege	1900	rb57.exe
Token: SeDebugPrivilege	1912	rb57.exe
Token: SeDebugPrivilege	1180	rb57.exe

Suspicious use of WriteProcessMemory 50 IoCs

Processes:

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.execmd.exetaskeng.exerb57.execmd.exe

description	pid	Process	procid_target
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 1908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	31
PID 2148 wrote to memory of 2884	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	32
PID 2148 wrote to memory of 2884	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	32
PID 2148 wrote to memory of 2884	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	32
PID 2148 wrote to memory of 2884	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	32
PID 2148 wrote to memory of 2908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	33
PID 2148 wrote to memory of 2908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	33
PID 2148 wrote to memory of 2908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	33
PID 2148 wrote to memory of 2908	2148	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe	33
PID 2884 wrote to memory of 2920	2884	cmd.exe	36
PID 2884 wrote to memory of 2920	2884	cmd.exe	36
PID 2884 wrote to memory of 2920	2884	cmd.exe	36
PID 2884 wrote to memory of 2920	2884	cmd.exe	36
PID 1472 wrote to memory of 1900	1472	taskeng.exe	39
PID 1472 wrote to memory of 1900	1472	taskeng.exe	39
PID 1472 wrote to memory of 1900	1472	taskeng.exe	39
PID 1472 wrote to memory of 1900	1472	taskeng.exe	39
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 1912	1900	rb57.exe	40
PID 1900 wrote to memory of 2848	1900	rb57.exe	41
PID 1900 wrote to memory of 2848	1900	rb57.exe	41
PID 1900 wrote to memory of 2848	1900	rb57.exe	41
PID 1900 wrote to memory of 2848	1900	rb57.exe	41
PID 1900 wrote to memory of 2828	1900	rb57.exe	42
PID 1900 wrote to memory of 2828	1900	rb57.exe	42
PID 1900 wrote to memory of 2828	1900	rb57.exe	42
PID 1900 wrote to memory of 2828	1900	rb57.exe	42
PID 2848 wrote to memory of 3008	2848	cmd.exe	45
PID 2848 wrote to memory of 3008	2848	cmd.exe	45
PID 2848 wrote to memory of 3008	2848	cmd.exe	45
PID 2848 wrote to memory of 3008	2848	cmd.exe	45
PID 1472 wrote to memory of 1180	1472	taskeng.exe	46
PID 1472 wrote to memory of 1180	1472	taskeng.exe	46
PID 1472 wrote to memory of 1180	1472	taskeng.exe	46
PID 1472 wrote to memory of 1180	1472	taskeng.exe	46

outlook_office_path 1 IoCs

Processes:

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

outlook_win_path 1 IoCs

Processes:

6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

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	6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe

C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
"C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe
  "C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2920
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0.exe" "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908

C:\Windows\system32\taskeng.exe
taskeng.exe {68E7290C-AE8C-4BE3-892E-EC3A8A08B48C} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
  C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
    "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1912
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2848
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3008
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe" "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2828
- C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
  C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\rb57\rb57.exe

Filesize
770KB

MD5
1ebb3bdbff7609fed911a72e3706fe8b

SHA1
66a03f5934d58cf32f5691e5975c4224d722a105

SHA256
6bebbd381712ce08e4a71764bd09dc1c625725483bf4c55a9896efcbb0bb41a0

SHA512
4ed49c4f92e32cda7eb81b997956dc4f3785fd180104f2d6fbc886d208df8f404e88346c1eedd73600398fceb3d695da3554047431dd455aee8eda72a9d15c90

Download Submit
memory/1900-34-0x0000000000170000-0x0000000000236000-memory.dmp

Filesize
792KB

Download
memory/1908-5-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1908-16-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1908-24-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1908-7-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1908-15-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1908-3-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1908-9-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1908-25-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1908-26-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1908-31-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1908-30-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1908-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1908-20-0x00000000000F0000-0x000000000012C000-memory.dmp

Filesize
240KB

Download
memory/1912-50-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1912-46-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1912-43-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1912-53-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/2148-13-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-1-0x0000000000250000-0x0000000000316000-memory.dmp

Filesize
792KB

Download
memory/2148-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-29-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download