agenttesla | f7fb8b6e095481be00834aafa1bc60d64e3d781e857c4c9f5b27dea5953d6ad4

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 01:09

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General

Target

DSFRT987600000.exe
Size

812KB
MD5

ca698d84fc93036b8e8269a173380448
SHA1

233c29bb87c7ee1d252854dc90a8dbbf9f6e5d76
SHA256

6a31f54219ee0ddbfcb2aa841f922d48a849b1b047b8693ff8c2faad2ab8fac4
SHA512

e1cd052c2d442437eab1fd57d5b357c915669f18d5b4cc04bc49543301990f2bb955673c4ef97e746e7b2cab9faa9ac10930043918a8c1a420141de989427bec
SSDEEP

24576:WTCBK8jt7SS2KlHSSpKycXXb7xJFIun8LuUWPLy:WslXKp7nd8iJLy

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
2032	powershell.exe
2700	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 2 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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 2440	2376	DSFRT987600000.exe	40

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2376	DSFRT987600000.exe
2376	DSFRT987600000.exe
2376	DSFRT987600000.exe
2376	DSFRT987600000.exe
2376	DSFRT987600000.exe
2376	DSFRT987600000.exe
2376	DSFRT987600000.exe
2376	DSFRT987600000.exe
2440	DSFRT987600000.exe
2440	DSFRT987600000.exe
2700	powershell.exe
2032	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	DSFRT987600000.exe
Token: SeDebugPrivilege	2440	DSFRT987600000.exe
Token: SeDebugPrivilege	2700	powershell.exe
Token: SeDebugPrivilege	2032	powershell.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2032	2376	DSFRT987600000.exe	30
PID 2376 wrote to memory of 2032	2376	DSFRT987600000.exe	30
PID 2376 wrote to memory of 2032	2376	DSFRT987600000.exe	30
PID 2376 wrote to memory of 2032	2376	DSFRT987600000.exe	30
PID 2376 wrote to memory of 2700	2376	DSFRT987600000.exe	32
PID 2376 wrote to memory of 2700	2376	DSFRT987600000.exe	32
PID 2376 wrote to memory of 2700	2376	DSFRT987600000.exe	32
PID 2376 wrote to memory of 2700	2376	DSFRT987600000.exe	32
PID 2376 wrote to memory of 2712	2376	DSFRT987600000.exe	33
PID 2376 wrote to memory of 2712	2376	DSFRT987600000.exe	33
PID 2376 wrote to memory of 2712	2376	DSFRT987600000.exe	33
PID 2376 wrote to memory of 2712	2376	DSFRT987600000.exe	33
PID 2376 wrote to memory of 2860	2376	DSFRT987600000.exe	36
PID 2376 wrote to memory of 2860	2376	DSFRT987600000.exe	36
PID 2376 wrote to memory of 2860	2376	DSFRT987600000.exe	36
PID 2376 wrote to memory of 2860	2376	DSFRT987600000.exe	36
PID 2376 wrote to memory of 2520	2376	DSFRT987600000.exe	37
PID 2376 wrote to memory of 2520	2376	DSFRT987600000.exe	37
PID 2376 wrote to memory of 2520	2376	DSFRT987600000.exe	37
PID 2376 wrote to memory of 2520	2376	DSFRT987600000.exe	37
PID 2376 wrote to memory of 3012	2376	DSFRT987600000.exe	38
PID 2376 wrote to memory of 3012	2376	DSFRT987600000.exe	38
PID 2376 wrote to memory of 3012	2376	DSFRT987600000.exe	38
PID 2376 wrote to memory of 3012	2376	DSFRT987600000.exe	38
PID 2376 wrote to memory of 2656	2376	DSFRT987600000.exe	39
PID 2376 wrote to memory of 2656	2376	DSFRT987600000.exe	39
PID 2376 wrote to memory of 2656	2376	DSFRT987600000.exe	39
PID 2376 wrote to memory of 2656	2376	DSFRT987600000.exe	39
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40
PID 2376 wrote to memory of 2440	2376	DSFRT987600000.exe	40

C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
"C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376
- 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\DSFRT987600000.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DJtbLbV.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2700
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DJtbLbV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64CB.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
  "C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
  2⤵
  PID:2860
- C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
  "C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
  2⤵
  PID:2520
- C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
  "C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
  2⤵
  PID:3012
- C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
  "C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
  2⤵
  PID:2656
- C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
  "C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp64CB.tmp

Filesize
1KB

MD5
3fbddae494eaca5d3811db08609126e6

SHA1
ba3a640841a0c6b25c25343a2c0beda04d4929e3

SHA256
0d476726049932df68fcae0e72b6f51d82818a417a12f444da3b37fc00ee0780

SHA512
9538fa1adc3ec86045d2eda2206156fea7341e1c77ca5e5139ec4eab11d34d880db52024c51ff9c5fc9d409b6a118c14dda0c8b1462aa6f6dd8d9c118fb6f670

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

Filesize
7KB

MD5
6e632d95a103eb1785795c7c7bb57f6c

SHA1
95a5d1d2a0db18bdbd56e1f23fd13066fc2d01be

SHA256
d0f5f7d21d18fc1c676097d2ec0fc23e69b4b1fe06ab4f967e823cb397b11ec5

SHA512
2d924ada9d41c5fcd5a55e10639df80265a71e7f21e7bc321eb3075637b76c8dcd65c741d7d23ad3ccc2ae5e673841fbeff7893fb07e7bde26a513a450650d03

Download Submit
memory/2376-4-0x0000000000710000-0x0000000000718000-memory.dmp

Filesize
32KB

Download
memory/2376-31-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2376-0-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

Filesize
4KB

Download
memory/2376-5-0x0000000000720000-0x000000000072E000-memory.dmp

Filesize
56KB

Download
memory/2376-6-0x00000000050E0000-0x0000000005164000-memory.dmp

Filesize
528KB

Download
memory/2376-2-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2376-1-0x0000000000190000-0x0000000000260000-memory.dmp

Filesize
832KB

Download
memory/2376-3-0x00000000004A0000-0x00000000004B2000-memory.dmp

Filesize
72KB

Download
memory/2440-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2440-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2440-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2440-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2440-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2440-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2440-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download