agenttesla | c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85

Analysis

max time kernel
116s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 15:11

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General

Target

Trojan.MSIL.Taskun.AMA.exe
Size

699KB
MD5

ace395f2b26c4c2cacdac246367c2060
SHA1

28a7e06e9c884a6bd19e2a72a707deddc926c8f7
SHA256

c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85
SHA512

38ca34874df309e5ccc849614b3800a0f487920ee3c2b6c076eb7b5717807eb510257ad07a321b455280ed12ecaa8d7ce47e847a8989d79a07d6b7aab24ce5be
SSDEEP

12288:HwPjab8rnxCwK1BWng4WYEAH9Dd3Qc9cLWM9WiR6i6Qc7JYdViwt5XH:HwjabiCwwQng4tE2t2Kf+/OJ4iw5

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
beirutrest.com
Port:
21
Username:
[email protected]
Password:
9yXQ39wz(uL+

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://beirutrest.com
Port:
21
Username:
[email protected]
Password:
9yXQ39wz(uL+

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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
972	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	Trojan.MSIL.Taskun.AMA.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
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4604 set thread context of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95

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 3 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	Trojan.MSIL.Taskun.AMA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.MSIL.Taskun.AMA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4604	Trojan.MSIL.Taskun.AMA.exe
4604	Trojan.MSIL.Taskun.AMA.exe
4604	Trojan.MSIL.Taskun.AMA.exe
4604	Trojan.MSIL.Taskun.AMA.exe
2800	Trojan.MSIL.Taskun.AMA.exe
2800	Trojan.MSIL.Taskun.AMA.exe
972	powershell.exe
972	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	Trojan.MSIL.Taskun.AMA.exe
Token: SeDebugPrivilege	2800	Trojan.MSIL.Taskun.AMA.exe
Token: SeDebugPrivilege	972	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 972	4604	Trojan.MSIL.Taskun.AMA.exe	91
PID 4604 wrote to memory of 972	4604	Trojan.MSIL.Taskun.AMA.exe	91
PID 4604 wrote to memory of 972	4604	Trojan.MSIL.Taskun.AMA.exe	91
PID 4604 wrote to memory of 748	4604	Trojan.MSIL.Taskun.AMA.exe	93
PID 4604 wrote to memory of 748	4604	Trojan.MSIL.Taskun.AMA.exe	93
PID 4604 wrote to memory of 748	4604	Trojan.MSIL.Taskun.AMA.exe	93
PID 4604 wrote to memory of 948	4604	Trojan.MSIL.Taskun.AMA.exe	94
PID 4604 wrote to memory of 948	4604	Trojan.MSIL.Taskun.AMA.exe	94
PID 4604 wrote to memory of 948	4604	Trojan.MSIL.Taskun.AMA.exe	94
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95
PID 4604 wrote to memory of 2800	4604	Trojan.MSIL.Taskun.AMA.exe	95

C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604
- 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\Trojan.MSIL.Taskun.AMA.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:972
- C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe"
  2⤵
  PID:748
- C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe"
  2⤵
  PID:948
- C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Taskun.AMA.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

Query Registry

T1012

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rug3mt0e.djr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/972-51-0x0000000007390000-0x000000000739A000-memory.dmp

Filesize
40KB

Download
memory/972-50-0x0000000007320000-0x000000000733A000-memory.dmp

Filesize
104KB

Download
memory/972-22-0x0000000005060000-0x0000000005082000-memory.dmp

Filesize
136KB

Download
memory/972-23-0x0000000005100000-0x0000000005166000-memory.dmp

Filesize
408KB

Download
memory/972-61-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/972-58-0x0000000007640000-0x0000000007648000-memory.dmp

Filesize
32KB

Download
memory/972-57-0x0000000007660000-0x000000000767A000-memory.dmp

Filesize
104KB

Download
memory/972-56-0x0000000007560000-0x0000000007574000-memory.dmp

Filesize
80KB

Download
memory/972-55-0x0000000007550000-0x000000000755E000-memory.dmp

Filesize
56KB

Download
memory/972-53-0x0000000007520000-0x0000000007531000-memory.dmp

Filesize
68KB

Download
memory/972-52-0x00000000075A0000-0x0000000007636000-memory.dmp

Filesize
600KB

Download
memory/972-35-0x0000000006030000-0x000000000607C000-memory.dmp

Filesize
304KB

Download
memory/972-49-0x0000000007960000-0x0000000007FDA000-memory.dmp

Filesize
6.5MB

Download
memory/972-15-0x0000000004A60000-0x0000000004A96000-memory.dmp

Filesize
216KB

Download
memory/972-18-0x0000000005210000-0x0000000005838000-memory.dmp

Filesize
6.2MB

Download
memory/972-48-0x0000000007000000-0x00000000070A3000-memory.dmp

Filesize
652KB

Download
memory/972-47-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/972-19-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/972-20-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/972-37-0x00000000701F0000-0x000000007023C000-memory.dmp

Filesize
304KB

Download
memory/972-36-0x0000000006FC0000-0x0000000006FF2000-memory.dmp

Filesize
200KB

Download
memory/972-34-0x0000000005FF0000-0x000000000600E000-memory.dmp

Filesize
120KB

Download
memory/972-17-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/972-33-0x0000000005B00000-0x0000000005E54000-memory.dmp

Filesize
3.3MB

Download
memory/2800-13-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2800-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2800-62-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2800-21-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2800-16-0x00000000052A0000-0x0000000005306000-memory.dmp

Filesize
408KB

Download
memory/2800-63-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/2800-54-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download
memory/4604-1-0x00000000001F0000-0x00000000002A4000-memory.dmp

Filesize
720KB

Download
memory/4604-0-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/4604-2-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/4604-10-0x0000000008FB0000-0x000000000904C000-memory.dmp

Filesize
624KB

Download
memory/4604-14-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/4604-9-0x0000000006920000-0x00000000069A2000-memory.dmp

Filesize
520KB

Download
memory/4604-8-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/4604-7-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/4604-6-0x00000000052B0000-0x00000000052C0000-memory.dmp

Filesize
64KB

Download
memory/4604-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp

Filesize
40KB

Download
memory/4604-3-0x0000000004C60000-0x0000000004CF2000-memory.dmp

Filesize
584KB

Download
memory/4604-4-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download