agenttesla | 0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26

Analysis

max time kernel
136s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 01:05

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General

Target

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
Size

659KB
MD5

9f0eb3d96ffa433e7919dc077e57dd94
SHA1

7dafccb0772054b234acdf5fdf4d05d40b96b312
SHA256

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26
SHA512

578b7d2bb85e122f2d04f899c946ec46bfde0d58f58f38a63960500249d8cfd3279b7f48dbf1f6fa300cadf9165e49671aca9c42aaec70f015de51046f273c36
SSDEEP

12288:8lYifTZDiEE/OPL/CiHGWBTtm1Yg3YIgXLPbLChUmP+fafkWke+Ca8w:ril+Vu6iHGkRm1V3YZXjChrP+HWke+CY

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.nirvanaotomotiv.com
Port:
587
Username:
[email protected]
Password:
Nrv.2023*

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.nirvanaotomotiv.com
Port:
587
Username:
[email protected]
Password:
Nrv.2023*
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5588-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5588-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5588-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5588-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5588-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5588-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Processes:

powershell.exe

pid process

964 powershell.exe

pid	process
964	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

Processes:

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe"	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

description	pid	process	target process
PID 4472 set thread context of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exepowershell.exe

pid	process
4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
5588	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
5588	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
964	powershell.exe
964	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
Token: SeDebugPrivilege	5588	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
Token: SeDebugPrivilege	964	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

pid process

5588 0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

pid	process
5588	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

description	pid	process	target process
PID 4472 wrote to memory of 964	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	powershell.exe
PID 4472 wrote to memory of 964	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	powershell.exe
PID 4472 wrote to memory of 964	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	powershell.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
PID 4472 wrote to memory of 5588	4472	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe	0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe

C:\Users\Admin\AppData\Local\Temp\0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
"C:\Users\Admin\AppData\Local\Temp\0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472

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\0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:964

C:\Users\Admin\AppData\Local\Temp\0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe
"C:\Users\Admin\AppData\Local\Temp\0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0aa9199bb7fbf267b0e96f69ae8abb6e3c6ee5d9f8c2f61d4b56104063888b26.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3fwsmhfj.yex.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/964-48-0x0000000007370000-0x0000000007413000-memory.dmp

Filesize
652KB

Download
memory/964-53-0x0000000007900000-0x0000000007996000-memory.dmp

Filesize
600KB

Download
memory/964-62-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/964-22-0x0000000005C80000-0x0000000005CE6000-memory.dmp

Filesize
408KB

Download
memory/964-55-0x00000000078B0000-0x00000000078BE000-memory.dmp

Filesize
56KB

Download
memory/964-33-0x0000000005DD0000-0x0000000006124000-memory.dmp

Filesize
3.3MB

Download
memory/964-58-0x00000000079C0000-0x00000000079DA000-memory.dmp

Filesize
104KB

Download
memory/964-21-0x0000000005590000-0x00000000055B2000-memory.dmp

Filesize
136KB

Download
memory/964-59-0x00000000079A0000-0x00000000079A8000-memory.dmp

Filesize
32KB

Download
memory/964-57-0x00000000078C0000-0x00000000078D4000-memory.dmp

Filesize
80KB

Download
memory/964-54-0x0000000007880000-0x0000000007891000-memory.dmp

Filesize
68KB

Download
memory/964-35-0x0000000006400000-0x000000000644C000-memory.dmp

Filesize
304KB

Download
memory/964-15-0x0000000002A10000-0x0000000002A46000-memory.dmp

Filesize
216KB

Download
memory/964-17-0x00000000055E0000-0x0000000005C08000-memory.dmp

Filesize
6.2MB

Download
memory/964-16-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/964-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/964-52-0x00000000076F0000-0x00000000076FA000-memory.dmp

Filesize
40KB

Download
memory/964-20-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/964-50-0x0000000007CC0000-0x000000000833A000-memory.dmp

Filesize
6.5MB

Download
memory/964-51-0x0000000007680000-0x000000000769A000-memory.dmp

Filesize
104KB

Download
memory/964-36-0x0000000006920000-0x0000000006952000-memory.dmp

Filesize
200KB

Download
memory/964-37-0x0000000070080000-0x00000000700CC000-memory.dmp

Filesize
304KB

Download
memory/964-47-0x0000000006960000-0x000000000697E000-memory.dmp

Filesize
120KB

Download
memory/964-34-0x0000000006370000-0x000000000638E000-memory.dmp

Filesize
120KB

Download
memory/4472-14-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/4472-9-0x0000000006890000-0x0000000006912000-memory.dmp

Filesize
520KB

Download
memory/4472-5-0x0000000005530000-0x00000000055CC000-memory.dmp

Filesize
624KB

Download
memory/4472-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/4472-7-0x00000000054E0000-0x00000000054FA000-memory.dmp

Filesize
104KB

Download
memory/4472-1-0x0000000000720000-0x00000000007CA000-memory.dmp

Filesize
680KB

Download
memory/4472-4-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/4472-3-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/4472-6-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-8-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/5588-28-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/5588-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5588-56-0x0000000005FF0000-0x0000000006040000-memory.dmp

Filesize
320KB

Download
memory/5588-13-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/5588-18-0x00000000050F0000-0x0000000005156000-memory.dmp

Filesize
408KB

Download
memory/5588-63-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download