agenttesla | 192fa183bca99cd364f6f65f7f93f18d2c350168be7d66458048af5b232e4223

Analysis

max time kernel
111s
max time network
143s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 14:24

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General

Target

QUOTATION No.2400228341.pdf.exe
Size

608KB
MD5

690c1b65a6267d6d0b201ba46089aabc
SHA1

9eb6859bae82bcf8b9df7cf4fc061cd9155fdc39
SHA256

244f3a2fad1afa232909355901f33cca18ea95444c5d142c7aa308170db5294f
SHA512

cc540851386a3b98227822b2c952a57caf15db4563f9c246b8be5bca0989aaff70e64191d010738db86598d76dd8ad4e59a50965224db9f623edb64f2f8b3e2a
SSDEEP

12288:foQyRAt8qF72zz4a5wbpkTPVNI8mQdd1lzRB6nC8OziDjmRkR:qm8qF7Gzp5waTPVNuIdnYC8OyCM

Score

10^/10

agenttesla asyncrat 2 money credential_access discovery execution keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

2 MONEY

twart.myfirewall.org:14143

Mutex

udn3BZ1Fqt3jtiZx

Attributes

delay
30
install
true
install_file
svchost.exe
install_folder
%Temp%

aes.plain

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
@#Qwerty12345
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 4 IoCs

pid	Process
2432	svchost.exe
2880	svchost.exe
2520	kxpzvj.exe
1988	kxpzvj.exe

Loads dropped DLL 6 IoCs

pid	Process
2172	cmd.exe
2172	cmd.exe
2432	svchost.exe
2360	powershell.exe
2360	powershell.exe
2520	kxpzvj.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 2 IoCs

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

flow	ioc
10	api.ipify.org
11	api.ipify.org

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
2360	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1772 set thread context of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 2432 set thread context of 2880	2432	svchost.exe	38
PID 2520 set thread context of 1988	2520	kxpzvj.exe	43

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 12 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION No.2400228341.pdf.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kxpzvj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kxpzvj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION No.2400228341.pdf.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2996	timeout.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
3032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1728	QUOTATION No.2400228341.pdf.exe
2360	powershell.exe
2360	powershell.exe
2360	powershell.exe
2880	svchost.exe
1988	kxpzvj.exe
1988	kxpzvj.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	QUOTATION No.2400228341.pdf.exe
Token: SeDebugPrivilege	2880	svchost.exe
Token: SeDebugPrivilege	2360	powershell.exe
Token: SeDebugPrivilege	1988	kxpzvj.exe

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1772 wrote to memory of 1728	1772	QUOTATION No.2400228341.pdf.exe	29
PID 1728 wrote to memory of 2640	1728	QUOTATION No.2400228341.pdf.exe	31
PID 1728 wrote to memory of 2640	1728	QUOTATION No.2400228341.pdf.exe	31
PID 1728 wrote to memory of 2640	1728	QUOTATION No.2400228341.pdf.exe	31
PID 1728 wrote to memory of 2640	1728	QUOTATION No.2400228341.pdf.exe	31
PID 1728 wrote to memory of 2172	1728	QUOTATION No.2400228341.pdf.exe	33
PID 1728 wrote to memory of 2172	1728	QUOTATION No.2400228341.pdf.exe	33
PID 1728 wrote to memory of 2172	1728	QUOTATION No.2400228341.pdf.exe	33
PID 1728 wrote to memory of 2172	1728	QUOTATION No.2400228341.pdf.exe	33
PID 2172 wrote to memory of 2996	2172	cmd.exe	36
PID 2172 wrote to memory of 2996	2172	cmd.exe	36
PID 2172 wrote to memory of 2996	2172	cmd.exe	36
PID 2172 wrote to memory of 2996	2172	cmd.exe	36
PID 2640 wrote to memory of 3032	2640	cmd.exe	35
PID 2640 wrote to memory of 3032	2640	cmd.exe	35
PID 2640 wrote to memory of 3032	2640	cmd.exe	35
PID 2640 wrote to memory of 3032	2640	cmd.exe	35
PID 2172 wrote to memory of 2432	2172	cmd.exe	37
PID 2172 wrote to memory of 2432	2172	cmd.exe	37
PID 2172 wrote to memory of 2432	2172	cmd.exe	37
PID 2172 wrote to memory of 2432	2172	cmd.exe	37
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2432 wrote to memory of 2880	2432	svchost.exe	38
PID 2880 wrote to memory of 1480	2880	svchost.exe	39
PID 2880 wrote to memory of 1480	2880	svchost.exe	39
PID 2880 wrote to memory of 1480	2880	svchost.exe	39
PID 2880 wrote to memory of 1480	2880	svchost.exe	39
PID 1480 wrote to memory of 2360	1480	cmd.exe	41
PID 1480 wrote to memory of 2360	1480	cmd.exe	41
PID 1480 wrote to memory of 2360	1480	cmd.exe	41
PID 1480 wrote to memory of 2360	1480	cmd.exe	41
PID 2360 wrote to memory of 2520	2360	powershell.exe	42
PID 2360 wrote to memory of 2520	2360	powershell.exe	42
PID 2360 wrote to memory of 2520	2360	powershell.exe	42
PID 2360 wrote to memory of 2520	2360	powershell.exe	42
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43
PID 2520 wrote to memory of 1988	2520	kxpzvj.exe	43

C:\Users\Admin\AppData\Local\Temp\QUOTATION No.2400228341.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION No.2400228341.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Users\Admin\AppData\Local\Temp\QUOTATION No.2400228341.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTATION No.2400228341.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"' & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\svchost.exe"'
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3032
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA209.tmp.bat""
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2172
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2996
  - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2432
    - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
        
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2880
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\kxpzvj.exe"' & exit
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1480
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\kxpzvj.exe"'
        7⤵
        Loads dropped DLL
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2360
        
        C:\Users\Admin\AppData\Local\Temp\kxpzvj.exe
        
        "C:\Users\Admin\AppData\Local\Temp\kxpzvj.exe"
        8⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2520
        
        C:\Users\Admin\AppData\Local\Temp\kxpzvj.exe
        
        "C:\Users\Admin\AppData\Local\Temp\kxpzvj.exe"
        9⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1988

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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\Cab515D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7380.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\kxpzvj.exe

Filesize
787KB

MD5
65024845cc98cd27fe6fd1cde0b90e13

SHA1
548a9f43848255a76b96d9617fce46216ce7cac2

SHA256
3ea082cbf550dcc1c297441b6859a65c1a47587a9eec61121d6799984e679c2f

SHA512
a41f91fdf28d3a46663a5ee29c2cff030876fbe458bb6f84c012fdc02641f5c21208beba17ff6e541ea48592ea53a7f4e62fe0f4de13442bf20c2ad1b4fa20a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA209.tmp.bat

Filesize
154B

MD5
0cf64b3a3ae1e96a83e599864d109aef

SHA1
54affe5fd186dab0f924f4c1bda412a24ee33865

SHA256
f811900494e4d3a51db13c654217ed929dbf388f332ce009c17cd9221ca58970

SHA512
7a1266fb5ebcbf3ffddf2088bd843a39eb4b96f9aee2f4f2a78ab467716f4ec82b586a098713bf00cd822154327277447fe8532546414ccd33d4e8062d5bf040

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
608KB

MD5
690c1b65a6267d6d0b201ba46089aabc

SHA1
9eb6859bae82bcf8b9df7cf4fc061cd9155fdc39

SHA256
244f3a2fad1afa232909355901f33cca18ea95444c5d142c7aa308170db5294f

SHA512
cc540851386a3b98227822b2c952a57caf15db4563f9c246b8be5bca0989aaff70e64191d010738db86598d76dd8ad4e59a50965224db9f623edb64f2f8b3e2a

Download Submit
memory/1728-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-35-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-25-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-24-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1728-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-22-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-23-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-0-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/1772-7-0x0000000000B40000-0x0000000000B94000-memory.dmp

Filesize
336KB

Download
memory/1772-5-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-3-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/1772-4-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/1772-6-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download
memory/1772-1-0x0000000000300000-0x000000000039A000-memory.dmp

Filesize
616KB

Download
memory/1772-2-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1988-114-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1988-104-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1988-106-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1988-108-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1988-110-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1988-111-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1988-113-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1988-102-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2432-40-0x00000000010C0000-0x000000000115A000-memory.dmp

Filesize
616KB

Download
memory/2432-41-0x0000000000550000-0x0000000000566000-memory.dmp

Filesize
88KB

Download
memory/2520-100-0x0000000005BC0000-0x0000000005C42000-memory.dmp

Filesize
520KB

Download
memory/2520-99-0x0000000000410000-0x0000000000426000-memory.dmp

Filesize
88KB

Download
memory/2520-98-0x00000000012B0000-0x000000000137A000-memory.dmp

Filesize
808KB

Download
memory/2880-72-0x0000000006420000-0x0000000006482000-memory.dmp

Filesize
392KB

Download
memory/2880-55-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2880-54-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2880-51-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-115-0x0000000006A10000-0x0000000006AAC000-memory.dmp

Filesize
624KB

Download
memory/2880-134-0x0000000004900000-0x0000000004908000-memory.dmp

Filesize
32KB

Download
memory/2880-135-0x0000000005430000-0x0000000005470000-memory.dmp

Filesize
256KB

Download
memory/2880-136-0x0000000004A10000-0x0000000004A1A000-memory.dmp

Filesize
40KB

Download