agenttesla | 409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 01:20

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General

Target

409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
Size

998KB
MD5

7641b5e9a95918508f0acecc8739efc4
SHA1

f6a6a343af6aaa323c8eb3d578a709d0c30a9819
SHA256

409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21
SHA512

9092420d8de2fa38bebea8566652bb004b80390a0c638f705f1e15275d4651b521f9f3c2a9c1ef4b80991509cc5782dfd160bde79e1d2ad767895ba13aa0872c
SSDEEP

24576:XAjH3DIlB5pwpW5EMg+F9/BG0d2ZtDeUmaXYC9XDoCqbl:wP4ipmg+F9/Bl27dYgXcl

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.estampar.com.br
Port:
587
Username:
[email protected]
Password:
fHd@4AxQSHIS

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.estampar.com.br
Port:
587
Username:
[email protected]
Password:
fHd@4AxQSHIS
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

resource	yara_rule
behavioral2/memory/2664-46-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral2/memory/2664-46-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

resource	yara_rule
behavioral2/memory/2664-46-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

resource	yara_rule
behavioral2/memory/2664-46-0x0000000000400000-0x0000000000476000-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

resource	yara_rule
behavioral2/memory/2664-46-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

resource	yara_rule
behavioral2/memory/2664-46-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral2/memory/2664-46-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
3212	powershell.exe
1100	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-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OIjBUmm = "C:\\Users\\Admin\\AppData\\Roaming\\OIjBUmm\\OIjBUmm.exe"	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
14	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3996 set thread context of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3212	powershell.exe
1100	powershell.exe
2664	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
2664	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
3212	powershell.exe
1100	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	powershell.exe
Token: SeDebugPrivilege	1100	powershell.exe
Token: SeDebugPrivilege	2664	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 3212	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	84
PID 3996 wrote to memory of 3212	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	84
PID 3996 wrote to memory of 3212	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	84
PID 3996 wrote to memory of 1100	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	86
PID 3996 wrote to memory of 1100	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	86
PID 3996 wrote to memory of 1100	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	86
PID 3996 wrote to memory of 4648	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	88
PID 3996 wrote to memory of 4648	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	88
PID 3996 wrote to memory of 4648	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	88
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90
PID 3996 wrote to memory of 2664	3996	409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe	90

C:\Users\Admin\AppData\Local\Temp\409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
"C:\Users\Admin\AppData\Local\Temp\409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3996
- 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\409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3212
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iHEckBaX.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1100
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iHEckBaX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8368.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4648
- C:\Users\Admin\AppData\Local\Temp\409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
  "C:\Users\Admin\AppData\Local\Temp\409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
18KB

MD5
8a31f910c1d51bb6cd29589415fced41

SHA1
611813cf7f82d7ba4de690930bcf24f77efd6bbd

SHA256
9839266d3f00272c56553436bf74bc36a6551620f141c318ee09f9f1786246ae

SHA512
b2f36ec55b076b44cf7850076355d691ac77e2aac261e4bf8e7f4e1623a1e5ca6fab26f316a953e90e46a7f1e831c9719e963b817f24dc1ef322132fa78bdbf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_baqyc44u.evx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8368.tmp

Filesize
1KB

MD5
bb79e498aa612642cb7bbc2379efae7c

SHA1
716751d199c7588c617a6fa812803e51a9e1016b

SHA256
cbb93703e33210971aa8976d62257019952b1e3137c4f5e72f18e0bcbc8c971b

SHA512
a46b47a22ea70b43b9b6cd45af0c76c693e65949b2a581b8c0f0e75ffde2397f184f3c94ecbe9e186d94847dffcda554766b12a5898329df8fea2cb8751b8269

Download Submit
memory/1100-52-0x0000000075400000-0x000000007544C000-memory.dmp

Filesize
304KB

Download
memory/1100-20-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/1100-86-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/1100-81-0x0000000007300000-0x000000000731A000-memory.dmp

Filesize
104KB

Download
memory/1100-80-0x0000000007200000-0x0000000007214000-memory.dmp

Filesize
80KB

Download
memory/1100-79-0x00000000071F0000-0x00000000071FE000-memory.dmp

Filesize
56KB

Download
memory/1100-76-0x0000000007030000-0x000000000703A000-memory.dmp

Filesize
40KB

Download
memory/1100-73-0x0000000006EB0000-0x0000000006F53000-memory.dmp

Filesize
652KB

Download
memory/1100-62-0x0000000006C50000-0x0000000006C6E000-memory.dmp

Filesize
120KB

Download
memory/1100-51-0x0000000006C10000-0x0000000006C42000-memory.dmp

Filesize
200KB

Download
memory/1100-21-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2664-89-0x00000000067E0000-0x0000000006830000-memory.dmp

Filesize
320KB

Download
memory/2664-46-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3212-74-0x00000000074E0000-0x0000000007B5A000-memory.dmp

Filesize
6.5MB

Download
memory/3212-78-0x0000000007090000-0x00000000070A1000-memory.dmp

Filesize
68KB

Download
memory/3212-87-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3212-25-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/3212-26-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/3212-82-0x00000000071B0000-0x00000000071B8000-memory.dmp

Filesize
32KB

Download
memory/3212-19-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3212-23-0x00000000053F0000-0x0000000005412000-memory.dmp

Filesize
136KB

Download
memory/3212-77-0x0000000007110000-0x00000000071A6000-memory.dmp

Filesize
600KB

Download
memory/3212-18-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3212-75-0x0000000006E90000-0x0000000006EAA000-memory.dmp

Filesize
104KB

Download
memory/3212-50-0x0000000006150000-0x000000000619C000-memory.dmp

Filesize
304KB

Download
memory/3212-49-0x0000000005B60000-0x0000000005B7E000-memory.dmp

Filesize
120KB

Download
memory/3212-16-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3212-17-0x0000000004DC0000-0x00000000053E8000-memory.dmp

Filesize
6.2MB

Download
memory/3212-14-0x0000000000C70000-0x0000000000CA6000-memory.dmp

Filesize
216KB

Download
memory/3212-63-0x0000000075400000-0x000000007544C000-memory.dmp

Filesize
304KB

Download
memory/3212-45-0x0000000005570000-0x00000000058C4000-memory.dmp

Filesize
3.3MB

Download
memory/3996-8-0x00000000080C0000-0x0000000008178000-memory.dmp

Filesize
736KB

Download
memory/3996-48-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3996-15-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3996-4-0x0000000005850000-0x000000000585A000-memory.dmp

Filesize
40KB

Download
memory/3996-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

Filesize
5.6MB

Download
memory/3996-9-0x000000000A850000-0x000000000A8EC000-memory.dmp

Filesize
624KB

Download
memory/3996-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3996-7-0x0000000006890000-0x00000000068A0000-memory.dmp

Filesize
64KB

Download
memory/3996-3-0x00000000056C0000-0x0000000005752000-memory.dmp

Filesize
584KB

Download
memory/3996-1-0x0000000000BB0000-0x0000000000CAC000-memory.dmp

Filesize
1008KB

Download
memory/3996-6-0x0000000007F50000-0x0000000007F6A000-memory.dmp

Filesize
104KB

Download
memory/3996-22-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3996-5-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download