agenttesla | 4b8d34bd0e6359981828bd8df963ea5ec84c4a3be7ccf013743cc6f87173f41a

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 02:24

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General

Target

CG230511007 double ring.pdf.exe
Size

698KB
MD5

4a2d8f6fac5f95fc384c689d9a5927a2
SHA1

97ad59b9532706d2457eb10f6902b5e2f9442566
SHA256

44c35217277fbfdde4251ac9c9bad106247b6f5ca5ca0f1dbaf8f3343b364af0
SHA512

43d2340d3f49c138b9c0f880617f4f730837c8983fa4a254b16ecbaa5dfef38c1643a657cf04962e9897c56fa561ede9181e3be23d24510e8cf9e186bf77cdd2
SSDEEP

12288:FzjLf30WH0IieBhVpz60zapdl4VOqXEkOdu+VGBecnFj8AzPmZ:djj0yyeb/5+lfk8iFFj8MPm

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:
manlikeyou88
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
1088	powershell.exe
3908	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	CG230511007 double ring.pdf.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3148 set thread context of 4604	3148	CG230511007 double ring.pdf.exe	101

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	CG230511007 double ring.pdf.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CG230511007 double ring.pdf.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
1780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3148	CG230511007 double ring.pdf.exe
1088	powershell.exe
3908	powershell.exe
3148	CG230511007 double ring.pdf.exe
3148	CG230511007 double ring.pdf.exe
3148	CG230511007 double ring.pdf.exe
1088	powershell.exe
4604	CG230511007 double ring.pdf.exe
4604	CG230511007 double ring.pdf.exe
3908	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3148	CG230511007 double ring.pdf.exe
Token: SeDebugPrivilege	3908	powershell.exe
Token: SeDebugPrivilege	1088	powershell.exe
Token: SeDebugPrivilege	4604	CG230511007 double ring.pdf.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 1088	3148	CG230511007 double ring.pdf.exe	94
PID 3148 wrote to memory of 1088	3148	CG230511007 double ring.pdf.exe	94
PID 3148 wrote to memory of 1088	3148	CG230511007 double ring.pdf.exe	94
PID 3148 wrote to memory of 3908	3148	CG230511007 double ring.pdf.exe	96
PID 3148 wrote to memory of 3908	3148	CG230511007 double ring.pdf.exe	96
PID 3148 wrote to memory of 3908	3148	CG230511007 double ring.pdf.exe	96
PID 3148 wrote to memory of 1780	3148	CG230511007 double ring.pdf.exe	98
PID 3148 wrote to memory of 1780	3148	CG230511007 double ring.pdf.exe	98
PID 3148 wrote to memory of 1780	3148	CG230511007 double ring.pdf.exe	98
PID 3148 wrote to memory of 2748	3148	CG230511007 double ring.pdf.exe	100
PID 3148 wrote to memory of 2748	3148	CG230511007 double ring.pdf.exe	100
PID 3148 wrote to memory of 2748	3148	CG230511007 double ring.pdf.exe	100
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101
PID 3148 wrote to memory of 4604	3148	CG230511007 double ring.pdf.exe	101

C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.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:3148
- 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\CG230511007 double ring.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1088
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjrOWyCGkiBRP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3908
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjrOWyCGkiBRP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA9BD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1780
- C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"
  2⤵
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4604

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

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
4b8bf177f8f12eb009b34c9acfb16c15

SHA1
701449cfce667300cad7ac57581d653a73fdfd52

SHA256
2e07674128d0d5efabed92c12e4e38a006949808472d19e9a5f47c79f5f5abec

SHA512
8dbda0276187587a8be62698ffc5f3ae006bb9e1b0b4a6ba3580068a20904900928a976ebc50cf9eacc8706dec8afc42d50e899922976e84e5e8de943707bc72

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_njt0fv1c.v03.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA9BD.tmp

Filesize
1KB

MD5
79d658b7226963085499074f34d0d816

SHA1
5c6de1079c0b83e9b7111f3ab9902ca32ef5771e

SHA256
1b572531e0319c3f883477424e5034d86f8f6deeb4c200e4d3169199df06a494

SHA512
12e05ded155bacd3e87b6d50233694507e769a5dc878815dcc9baab4c1ac5b31b5772dc7ba96ce9b5f2df17830163338d068574e36bd570a053035a112cb8937

Download Submit
memory/1088-26-0x0000000005430000-0x0000000005784000-memory.dmp

Filesize
3.3MB

Download
memory/1088-75-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

Filesize
40KB

Download
memory/1088-88-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1088-81-0x0000000007090000-0x0000000007098000-memory.dmp

Filesize
32KB

Download
memory/1088-79-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

Filesize
80KB

Download
memory/1088-74-0x0000000006D70000-0x0000000006D8A000-memory.dmp

Filesize
104KB

Download
memory/1088-73-0x00000000073B0000-0x0000000007A2A000-memory.dmp

Filesize
6.5MB

Download
memory/1088-15-0x0000000002150000-0x0000000002186000-memory.dmp

Filesize
216KB

Download
memory/1088-16-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1088-50-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

Filesize
200KB

Download
memory/1088-17-0x0000000004B20000-0x0000000005148000-memory.dmp

Filesize
6.2MB

Download
memory/1088-19-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1088-21-0x0000000004A70000-0x0000000004A92000-memory.dmp

Filesize
136KB

Download
memory/1088-72-0x0000000006C10000-0x0000000006CB3000-memory.dmp

Filesize
652KB

Download
memory/1088-51-0x0000000075040000-0x000000007508C000-memory.dmp

Filesize
304KB

Download
memory/1088-23-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/1088-22-0x0000000005250000-0x00000000052B6000-memory.dmp

Filesize
408KB

Download
memory/1088-70-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

Filesize
120KB

Download
memory/1088-25-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3148-7-0x0000000007810000-0x0000000007828000-memory.dmp

Filesize
96KB

Download
memory/3148-2-0x0000000005490000-0x0000000005A34000-memory.dmp

Filesize
5.6MB

Download
memory/3148-6-0x00000000051A0000-0x000000000523C000-memory.dmp

Filesize
624KB

Download
memory/3148-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3148-1-0x00000000003E0000-0x0000000000492000-memory.dmp

Filesize
712KB

Download
memory/3148-47-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3148-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/3148-10-0x0000000007830000-0x00000000078B2000-memory.dmp

Filesize
520KB

Download
memory/3148-5-0x0000000004E90000-0x0000000004E9A000-memory.dmp

Filesize
40KB

Download
memory/3148-9-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3148-4-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3148-8-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/3908-61-0x0000000075040000-0x000000007508C000-memory.dmp

Filesize
304KB

Download
memory/3908-18-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3908-77-0x0000000007750000-0x0000000007761000-memory.dmp

Filesize
68KB

Download
memory/3908-78-0x0000000007780000-0x000000000778E000-memory.dmp

Filesize
56KB

Download
memory/3908-24-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3908-80-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/3908-76-0x00000000077D0000-0x0000000007866000-memory.dmp

Filesize
600KB

Download
memory/3908-49-0x00000000062C0000-0x000000000630C000-memory.dmp

Filesize
304KB

Download
memory/3908-89-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3908-48-0x0000000006230000-0x000000000624E000-memory.dmp

Filesize
120KB

Download
memory/4604-82-0x0000000006880000-0x00000000068D0000-memory.dmp

Filesize
320KB

Download
memory/4604-45-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download