agenttesla | 138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 07:05

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General

Target

JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Size

770KB
MD5

545eaa55c962df648708bb0bb01bcb28
SHA1

39e0c699f9bd668dc65561aef01451deeb41b073
SHA256

138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef
SHA512

4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb
SSDEEP

12288:ccboBmYWu1Qr5U7k9mWSZSdM+r1RVIuggUJS:uWjrQwmfUvfOS

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 5 IoCs

resource	yara_rule
behavioral1/memory/2088-7-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2088-6-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2088-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2088-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2088-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Executes dropped EXE 4 IoCs

pid	Process
1156	rb57.exe
1596	rb57.exe
2960	rb57.exe
1200	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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2468 set thread context of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 1156 set thread context of 1596	1156	rb57.exe	40
PID 2960 set thread context of 1200	2960	rb57.exe	48

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 15 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_545eaa55c962df648708bb0bb01bcb28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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	rb57.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	rb57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3056	schtasks.exe
2680	schtasks.exe
1648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2088	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
2088	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
1596	rb57.exe
1596	rb57.exe
1200	rb57.exe
1200	rb57.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Token: SeDebugPrivilege	2088	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
Token: SeDebugPrivilege	1156	rb57.exe
Token: SeDebugPrivilege	1596	rb57.exe
Token: SeDebugPrivilege	2960	rb57.exe
Token: SeDebugPrivilege	1200	rb57.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2088	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	31
PID 2468 wrote to memory of 2636	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	32
PID 2468 wrote to memory of 2636	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	32
PID 2468 wrote to memory of 2636	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	32
PID 2468 wrote to memory of 2636	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	32
PID 2468 wrote to memory of 2792	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	34
PID 2468 wrote to memory of 2792	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	34
PID 2468 wrote to memory of 2792	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	34
PID 2468 wrote to memory of 2792	2468	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe	34
PID 2636 wrote to memory of 2680	2636	cmd.exe	36
PID 2636 wrote to memory of 2680	2636	cmd.exe	36
PID 2636 wrote to memory of 2680	2636	cmd.exe	36
PID 2636 wrote to memory of 2680	2636	cmd.exe	36
PID 1384 wrote to memory of 1156	1384	taskeng.exe	39
PID 1384 wrote to memory of 1156	1384	taskeng.exe	39
PID 1384 wrote to memory of 1156	1384	taskeng.exe	39
PID 1384 wrote to memory of 1156	1384	taskeng.exe	39
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 1596	1156	rb57.exe	40
PID 1156 wrote to memory of 2288	1156	rb57.exe	41
PID 1156 wrote to memory of 2288	1156	rb57.exe	41
PID 1156 wrote to memory of 2288	1156	rb57.exe	41
PID 1156 wrote to memory of 2288	1156	rb57.exe	41
PID 1156 wrote to memory of 1604	1156	rb57.exe	42
PID 1156 wrote to memory of 1604	1156	rb57.exe	42
PID 1156 wrote to memory of 1604	1156	rb57.exe	42
PID 1156 wrote to memory of 1604	1156	rb57.exe	42
PID 2288 wrote to memory of 1648	2288	cmd.exe	45
PID 2288 wrote to memory of 1648	2288	cmd.exe	45
PID 2288 wrote to memory of 1648	2288	cmd.exe	45
PID 2288 wrote to memory of 1648	2288	cmd.exe	45
PID 1384 wrote to memory of 2960	1384	taskeng.exe	47
PID 1384 wrote to memory of 2960	1384	taskeng.exe	47
PID 1384 wrote to memory of 2960	1384	taskeng.exe	47
PID 1384 wrote to memory of 2960	1384	taskeng.exe	47
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1200	2960	rb57.exe	48
PID 2960 wrote to memory of 1376	2960	rb57.exe	49
PID 2960 wrote to memory of 1376	2960	rb57.exe	49
PID 2960 wrote to memory of 1376	2960	rb57.exe	49
PID 2960 wrote to memory of 1376	2960	rb57.exe	49
PID 2960 wrote to memory of 3048	2960	rb57.exe	51

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.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:2088
- 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:2636
- - 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:2680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_545eaa55c962df648708bb0bb01bcb28.exe" "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792

C:\Windows\system32\taskeng.exe
taskeng.exe {F47297D1-AE24-4BF7-AB2C-D4DC233AC6F2} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1384
- 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:1156
- - 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:1596
- - 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:2288
  - - 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:1648
- - 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:1604
- 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:2960
- - 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:1200
- - 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
    PID:1376
  - - 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:3056
- - 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:3048

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
545eaa55c962df648708bb0bb01bcb28

SHA1
39e0c699f9bd668dc65561aef01451deeb41b073

SHA256
138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

SHA512
4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

Download Submit
memory/1156-25-0x0000000000330000-0x00000000003F6000-memory.dmp

Filesize
792KB

Download
memory/1200-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1596-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2088-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2088-22-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2088-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2088-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2088-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2088-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2088-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2088-16-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2088-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2088-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2088-19-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2088-21-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2468-20-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2468-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2468-10-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2468-3-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/2468-2-0x0000000074E90000-0x000000007557E000-memory.dmp

Filesize
6.9MB

Download
memory/2468-1-0x0000000000A60000-0x0000000000B26000-memory.dmp

Filesize
792KB

Download