agenttesla | 6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b

General

Target

6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe
Size

779KB
MD5

10a2684aae3f75a984dc63506e8ed8dc
SHA1

99a1ef344d13f5b44f3b0526f44072154e30641b
SHA256

6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b
SHA512

4d001589415898b61f52f01a652a268e3919bc6ced17b12abfbdcc71c64e49f3bf92b00e0f89ed64f120600b95a79fec23406afa3f7b8587552bd270424b1526
SSDEEP

12288:/bdhloJNhQ/cWS7stavkg+t7di+u6VNPD0xvUPoCsTDW4nlpVOWN6fc/WwBZfvo:fiJN+UVsCkgOkQNPQ2oCsWys0xpBZfA

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.stilbo.eu
Port:
587
Username:
[email protected]
Password:
StilBO_#1
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2988	powershell.exe
2740	powershell.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 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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37

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 5 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	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2908	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe
2908	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe
2740	powershell.exe
2988	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	2988	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2908	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2988	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	31
PID 2528 wrote to memory of 2988	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	31
PID 2528 wrote to memory of 2988	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	31
PID 2528 wrote to memory of 2988	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	31
PID 2528 wrote to memory of 2740	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	33
PID 2528 wrote to memory of 2740	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	33
PID 2528 wrote to memory of 2740	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	33
PID 2528 wrote to memory of 2740	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	33
PID 2528 wrote to memory of 2832	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	35
PID 2528 wrote to memory of 2832	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	35
PID 2528 wrote to memory of 2832	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	35
PID 2528 wrote to memory of 2832	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	35
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37
PID 2528 wrote to memory of 2908	2528	6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe	37

C:\Users\Admin\AppData\Local\Temp\6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe
"C:\Users\Admin\AppData\Local\Temp\6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2988
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RvUJzKx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RvUJzKx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D70.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe
  "C:\Users\Admin\AppData\Local\Temp\6f094aa75a8322555241fae3063c17075a6ed5166bfb41c9055c390278178d6b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

4

T1552

Credentials In Files

3

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

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1D70.tmp

Filesize
1KB

MD5
3d28336ed2008d696abd528f06301d18

SHA1
3a90b43cfdba138036445e0e5ba8914d6ff90277

SHA256
55c1cf2916b94d279fc1606ec69346f79b94b9348b8dde6455b8b9ebc50e3088

SHA512
4a74de9a5da6e1cc007c5105d269e86f181a3c9fe0d185c5c187ef759a807d3155719c68602bdf236ebfbad1e826a1ca6ca65392427852fa4136f3ecf61add07

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
7b9b86d250519acb93fe61a12fec3e8e

SHA1
e30e6c24f8d0ac899b960a534b6b4ed7b530dc79

SHA256
a0f4c0e299437ea20b0e0956e6075bf31bb3cc59dc79d93a6179aa87b4c85b51

SHA512
86b24b5643867c912d4a6cf6bdaa13a01a1ebdaad041ea451ca8686aed9b549bd64428cbb555315b2ecd5013d64198daa8916e3ebede4f49a34a320e419c7879

Download Submit
memory/2528-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2528-32-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2528-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-6-0x00000000004B0000-0x0000000000536000-memory.dmp

Filesize
536KB

Download
memory/2528-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-1-0x0000000000FE0000-0x00000000010AA000-memory.dmp

Filesize
808KB

Download
memory/2528-3-0x0000000000550000-0x0000000000576000-memory.dmp

Filesize
152KB

Download
memory/2908-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2908-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2908-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2908-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2908-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2908-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2908-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads