agenttesla | 0eaf202c1c4591c0727d872d939ad5a6e491f4385302d6e692d7ba8ea9767a05

Analysis

max time kernel
116s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 09:28

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General

Target

Payments.exe
Size

690KB
MD5

3881d5e96f481fa93517fb1fcbfde2ef
SHA1

1cb69809cd13ce69228dbfef2d59276bb63de71b
SHA256

0eaf202c1c4591c0727d872d939ad5a6e491f4385302d6e692d7ba8ea9767a05
SHA512

3db9bbad0d08c3aeaf2dd4ba848658d63f088032f7a18632dc9ce6db2558a6dbebfed791e6ed1f14b05d788baa45dad13d18994aa9795b23538e12d5a2578784
SSDEEP

12288:uzjLf30WH0Mks8XWhXnnZV/eUCRVMXbfkQkr47dP7zgRLk5clCqvM7O16VF69In9:Ijj0yz9nH/eUC6bLs4ZoRLScZM7O6E69

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
eL)rV@QBKA#m

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
eL)rV@QBKA#m
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4956	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	Payments.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 3 IoCs

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

flow	ioc
20	api.ipify.org
21	ip-api.com
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4376 set thread context of 4604	4376	Payments.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	Payments.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payments.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4604	Payments.exe
4604	Payments.exe
4956	powershell.exe
4956	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	Payments.exe
Token: SeDebugPrivilege	4956	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 4956	4376	Payments.exe	93
PID 4376 wrote to memory of 4956	4376	Payments.exe	93
PID 4376 wrote to memory of 4956	4376	Payments.exe	93
PID 4376 wrote to memory of 4604	4376	Payments.exe	95
PID 4376 wrote to memory of 4604	4376	Payments.exe	95
PID 4376 wrote to memory of 4604	4376	Payments.exe	95
PID 4376 wrote to memory of 4604	4376	Payments.exe	95
PID 4376 wrote to memory of 4604	4376	Payments.exe	95
PID 4376 wrote to memory of 4604	4376	Payments.exe	95
PID 4376 wrote to memory of 4604	4376	Payments.exe	95
PID 4376 wrote to memory of 4604	4376	Payments.exe	95

C:\Users\Admin\AppData\Local\Temp\Payments.exe
"C:\Users\Admin\AppData\Local\Temp\Payments.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376
- 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\Payments.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4956
- C:\Users\Admin\AppData\Local\Temp\Payments.exe
  "C:\Users\Admin\AppData\Local\Temp\Payments.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

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\Microsoft\CLR_v4.0_32\UsageLogs\Payments.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_umtm3u0m.z5x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4376-6-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4376-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/4376-4-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/4376-5-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/4376-15-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4376-7-0x0000000007A70000-0x0000000007A88000-memory.dmp

Filesize
96KB

Download
memory/4376-8-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4376-9-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4376-10-0x0000000007B90000-0x0000000007C14000-memory.dmp

Filesize
528KB

Download
memory/4376-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4376-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/4376-1-0x0000000000650000-0x0000000000702000-memory.dmp

Filesize
712KB

Download
memory/4604-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4604-14-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4604-63-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4604-18-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/4604-62-0x0000000007290000-0x00000000072E0000-memory.dmp

Filesize
320KB

Download
memory/4604-34-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4956-38-0x0000000070230000-0x000000007027C000-memory.dmp

Filesize
304KB

Download
memory/4956-49-0x0000000006A80000-0x0000000006B23000-memory.dmp

Filesize
652KB

Download
memory/4956-21-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4956-32-0x0000000005530000-0x0000000005884000-memory.dmp

Filesize
3.3MB

Download
memory/4956-33-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4956-22-0x0000000004B60000-0x0000000004BC6000-memory.dmp

Filesize
408KB

Download
memory/4956-35-0x0000000005A70000-0x0000000005A8E000-memory.dmp

Filesize
120KB

Download
memory/4956-36-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

Filesize
304KB

Download
memory/4956-48-0x0000000006060000-0x000000000607E000-memory.dmp

Filesize
120KB

Download
memory/4956-16-0x0000000002190000-0x00000000021C6000-memory.dmp

Filesize
216KB

Download
memory/4956-37-0x0000000006A30000-0x0000000006A62000-memory.dmp

Filesize
200KB

Download
memory/4956-20-0x0000000004AC0000-0x0000000004AE2000-memory.dmp

Filesize
136KB

Download
memory/4956-51-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

Filesize
104KB

Download
memory/4956-50-0x0000000007400000-0x0000000007A7A000-memory.dmp

Filesize
6.5MB

Download
memory/4956-52-0x0000000006E30000-0x0000000006E3A000-memory.dmp

Filesize
40KB

Download
memory/4956-53-0x0000000007040000-0x00000000070D6000-memory.dmp

Filesize
600KB

Download
memory/4956-54-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

Filesize
68KB

Download
memory/4956-55-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

Filesize
56KB

Download
memory/4956-56-0x0000000007000000-0x0000000007014000-memory.dmp

Filesize
80KB

Download
memory/4956-57-0x0000000007100000-0x000000000711A000-memory.dmp

Filesize
104KB

Download
memory/4956-58-0x00000000070E0000-0x00000000070E8000-memory.dmp

Filesize
32KB

Download
memory/4956-61-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4956-19-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4956-17-0x0000000004C10000-0x0000000005238000-memory.dmp

Filesize
6.2MB

Download