agenttesla | 8e29aa00863b1746ba25132f7ecb7bcb869d3a7e647dc8d6d3255491c5ac5212

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 05:41

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General

Target

Purchase Order.exe
Size

934KB
MD5

f7f32729079353000cd97b90aa314cc1
SHA1

21dbddeea2b634263c8fbf0d6178a9751d2467b8
SHA256

8e29aa00863b1746ba25132f7ecb7bcb869d3a7e647dc8d6d3255491c5ac5212
SHA512

2c40c12b81e7c377ddf0a6691ebeedc895dcf02c9211a1563b840de735fab77968565b1d3d0c40cc0b2b583fd4bfa1c69f995fca758ea85f548bf5797b5bf847
SSDEEP

24576:U5dMbYk7zL1hJ5o/C+uOWiw5h6nnjqKoe:U5dkYk/phQ6+hIkjqKoe

Score

10^/10

agenttesla credential_access 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
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

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
2524	powershell.exe
2448	powershell.exe

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 1744 set thread context of 2768	1744	Purchase Order.exe	36

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	RegSvcs.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2524	powershell.exe
2448	powershell.exe
2768	RegSvcs.exe
2768	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeDebugPrivilege	2448	powershell.exe
Token: SeDebugPrivilege	2768	RegSvcs.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2524	1744	Purchase Order.exe	30
PID 1744 wrote to memory of 2524	1744	Purchase Order.exe	30
PID 1744 wrote to memory of 2524	1744	Purchase Order.exe	30
PID 1744 wrote to memory of 2524	1744	Purchase Order.exe	30
PID 1744 wrote to memory of 2524	1744	Purchase Order.exe	30
PID 1744 wrote to memory of 2524	1744	Purchase Order.exe	30
PID 1744 wrote to memory of 2524	1744	Purchase Order.exe	30
PID 1744 wrote to memory of 2448	1744	Purchase Order.exe	32
PID 1744 wrote to memory of 2448	1744	Purchase Order.exe	32
PID 1744 wrote to memory of 2448	1744	Purchase Order.exe	32
PID 1744 wrote to memory of 2448	1744	Purchase Order.exe	32
PID 1744 wrote to memory of 2448	1744	Purchase Order.exe	32
PID 1744 wrote to memory of 2448	1744	Purchase Order.exe	32
PID 1744 wrote to memory of 2448	1744	Purchase Order.exe	32
PID 1744 wrote to memory of 2192	1744	Purchase Order.exe	33
PID 1744 wrote to memory of 2192	1744	Purchase Order.exe	33
PID 1744 wrote to memory of 2192	1744	Purchase Order.exe	33
PID 1744 wrote to memory of 2192	1744	Purchase Order.exe	33
PID 1744 wrote to memory of 2192	1744	Purchase Order.exe	33
PID 1744 wrote to memory of 2192	1744	Purchase Order.exe	33
PID 1744 wrote to memory of 2192	1744	Purchase Order.exe	33
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36
PID 1744 wrote to memory of 2768	1744	Purchase Order.exe	36

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:1744
- 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:2524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TESAYt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2448
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TESAYt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC227.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2192
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768

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

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC227.tmp

Filesize
1KB

MD5
82066d030b603c90af2f3723a5e05f70

SHA1
fc61477405bd81e211425c5f38736b26f16c97b8

SHA256
2a994b9f7cb52a79cc8efe1c739f7ef72ba39f5af0f01b9db460e165edb75df4

SHA512
ae831f26d4e19a0f17418613618e679220133c7e98e86c21fecd95e7db22dc950d023f2620a41d14eda5d6aeb0a7849f23cfc7d8d5a174ffd79e7d8bb9b27fdc

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

Filesize
7KB

MD5
26e5ef8b15ab47494ac47b0417478c6f

SHA1
dd984c614d821727ee87d5ba3e2d04cfdcec0467

SHA256
1b0ff7f1f6024e0989e3c70973dea4e9b2bf3240d7b0514a824e49ea19350dc9

SHA512
d1c39dc123306a68c09fdf840eca40a46c9510649de828b3fb90377cdd803d15bd37f49ef793821d3cd4e4cea05e8b15627e29f693331e85d755f4a9feef91c6

Download Submit
memory/1744-0-0x0000000000C90000-0x0000000000D7A000-memory.dmp

Filesize
936KB

Download
memory/1744-1-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download
memory/1744-2-0x0000000005670000-0x00000000056F2000-memory.dmp

Filesize
520KB

Download
memory/2768-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2768-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2768-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2768-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2768-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2768-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2768-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download