agenttesla | addb01ee4d8af56ab5d80f68318311d3c4be44e8c55b97fbaa3cc4b792130c33

Analysis

max time kernel
119s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 01:33

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General

Target

Purchase order.exe
Size

1.4MB
MD5

4c363afc82b0757d2723ff1287ab85de
SHA1

eae78234d3125edb5e161641b1c61dfab9456a46
SHA256

0787749d9897612314975e2943139157efcff4dbf604323d3d950c76b7555719
SHA512

c202cb6c3b8bef7cb556c335595c03e7da412e00466491e3bbbec15391bec8250d944ada1eb4b4e5d6215d39c2f28996a025a6de78243570382cf188744d8ac3
SSDEEP

24576:szSWNKs08nmbdXiQsGgJF2B+xaJ/ncPUoN0eaxn7wymHinDVw2iTYYuX0J:gSPGyXi0gbKCikPPN0fxn7NmHinDVw2e

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
Email To:
[email protected]

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 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2612	powershell.exe
3000	powershell.exe
2804	powershell.exe
676	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 2 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 2580	2920	Purchase order.exe	34
PID 2580 set thread context of 1048	2580	Purchase order.exe	41

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 9 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	Purchase order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase order.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

pid	Process
2496	schtasks.exe
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3000	powershell.exe
2612	powershell.exe
2804	powershell.exe
676	powershell.exe
1048	Purchase order.exe
1048	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	676	powershell.exe
Token: SeDebugPrivilege	1048	Purchase order.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2612	2920	Purchase order.exe	28
PID 2920 wrote to memory of 2612	2920	Purchase order.exe	28
PID 2920 wrote to memory of 2612	2920	Purchase order.exe	28
PID 2920 wrote to memory of 2612	2920	Purchase order.exe	28
PID 2920 wrote to memory of 3000	2920	Purchase order.exe	30
PID 2920 wrote to memory of 3000	2920	Purchase order.exe	30
PID 2920 wrote to memory of 3000	2920	Purchase order.exe	30
PID 2920 wrote to memory of 3000	2920	Purchase order.exe	30
PID 2920 wrote to memory of 2496	2920	Purchase order.exe	32
PID 2920 wrote to memory of 2496	2920	Purchase order.exe	32
PID 2920 wrote to memory of 2496	2920	Purchase order.exe	32
PID 2920 wrote to memory of 2496	2920	Purchase order.exe	32
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2920 wrote to memory of 2580	2920	Purchase order.exe	34
PID 2580 wrote to memory of 2804	2580	Purchase order.exe	35
PID 2580 wrote to memory of 2804	2580	Purchase order.exe	35
PID 2580 wrote to memory of 2804	2580	Purchase order.exe	35
PID 2580 wrote to memory of 2804	2580	Purchase order.exe	35
PID 2580 wrote to memory of 676	2580	Purchase order.exe	37
PID 2580 wrote to memory of 676	2580	Purchase order.exe	37
PID 2580 wrote to memory of 676	2580	Purchase order.exe	37
PID 2580 wrote to memory of 676	2580	Purchase order.exe	37
PID 2580 wrote to memory of 2932	2580	Purchase order.exe	38
PID 2580 wrote to memory of 2932	2580	Purchase order.exe	38
PID 2580 wrote to memory of 2932	2580	Purchase order.exe	38
PID 2580 wrote to memory of 2932	2580	Purchase order.exe	38
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41
PID 2580 wrote to memory of 1048	2580	Purchase order.exe	41

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- 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\Purchase order.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IxumRsOtTdrVAu.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IxumRsOtTdrVAu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88EE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2496
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - 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\Purchase order.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:676
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB9DD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2932
- - C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1048

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\tmp88EE.tmp

Filesize
1KB

MD5
c1600ff54ec469399fdac4c69fd2750c

SHA1
7d59f36beeaa8bf2ed1f141d5b1fa24b5edb7495

SHA256
9e92924f3ec9d8685338ce94281e5dcc573fdb7792e47ff20994cb1411e1fe32

SHA512
31258d5e802eab16062df0980d9c6935890b1e4bc178f2a422ce764d1212a129832fe34a7f62b9671633bf1fe6e711b8c67cc12be8bc791e05aaddffaac1cf46

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB9DD.tmp

Filesize
1KB

MD5
f2318ecbef5c4dff0abd8b7a31f5fc99

SHA1
6dd09a37a9ba3a3e4250c385a0958b33b60f7c6f

SHA256
01d01f1ddcc0091eb1a23c577f6ee6ebcafa8f0a59f5f784d582a1b153b39cfa

SHA512
74d84df05f6e5329171e822d5a1fd2e4fdd8fcb0e59d5e69b26f6e1cf94d007c86d2d9458f220f0c216d6df0b8ffc7add8f63d55e7e1f3b14ae71a2de69e9244

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

Filesize
7KB

MD5
e1a1ece94b7d1db06477f24a305df861

SHA1
fd84f43fef76beb40ccd94751c954080444696de

SHA256
906cccb58af1b445f0496469d674f771c314bffbe2b27d76d577630c9cc951c1

SHA512
949531cd728cc6fdb3be867cd7394f9eb714ead09277497e3881f5a478c4cf4b7962a530a3a99a9c475139f7e14a2488526dc5ef2eb6b9208459189ad5cca511

Download Submit
C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

Filesize
1.4MB

MD5
4c363afc82b0757d2723ff1287ab85de

SHA1
eae78234d3125edb5e161641b1c61dfab9456a46

SHA256
0787749d9897612314975e2943139157efcff4dbf604323d3d950c76b7555719

SHA512
c202cb6c3b8bef7cb556c335595c03e7da412e00466491e3bbbec15391bec8250d944ada1eb4b4e5d6215d39c2f28996a025a6de78243570382cf188744d8ac3

Download Submit
memory/1048-52-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1048-61-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1048-64-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1048-62-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1048-54-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1048-56-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1048-58-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1048-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-21-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2580-33-0x0000000004EB0000-0x0000000004F50000-memory.dmp

Filesize
640KB

Download
memory/2580-28-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2580-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-23-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2580-31-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2580-20-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2580-35-0x00000000053E0000-0x0000000005462000-memory.dmp

Filesize
520KB

Download
memory/2580-25-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2580-29-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2580-34-0x00000000003B0000-0x00000000003C0000-memory.dmp

Filesize
64KB

Download
memory/2920-6-0x0000000005650000-0x0000000005764000-memory.dmp

Filesize
1.1MB

Download
memory/2920-32-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x0000000000900000-0x0000000000A6A000-memory.dmp

Filesize
1.4MB

Download
memory/2920-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-3-0x00000000003F0000-0x0000000000402000-memory.dmp

Filesize
72KB

Download
memory/2920-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2920-5-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download