agenttesla | 3a646aad7bdedf631ae7406d819be31b52faa5fe5b1e3d0c26f96a1ad14703a5

Analysis

max time kernel
114s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 02:09

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General

Target

509656.exe
Size

724KB
MD5

dcaac79baa55279a9d3a68aa8e91e0d9
SHA1

afb34c358919410594233644d507a4a8ad1f967d
SHA256

ea8e979a9bf6fe2e8af35cedb5d639091629a2ce626f1339c7a0a48e3cc39ba2
SHA512

67a4b7a2adca8935cda0e6ee8e05d0652f5549ee436eb93673d886f48354b719977970bed76f65c95b39a614413bc3eae43fb75024d397b2dcb12326826a8c69
SSDEEP

12288:HCsLuMhHwgG3UiJuEULGtIWWCsUDSjfvocPnOVySPf9Okzf:Bo1UCtIWbDSjXbnsVPskz

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.awelleh3.top
Port:
587
Username:
[email protected]
Password:
QcR_(8@AdfHa

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.awelleh3.top
Port:
587
Username:
[email protected]
Password:
QcR_(8@AdfHa
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/544-20-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral2/memory/4724-6-0x00000000057C0000-0x00000000057D2000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	509656.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	509656.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	509656.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	509656.exe

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
21	api.ipify.org
22	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 544	4724	509656.exe	89

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
3392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
648	powershell.exe
648	powershell.exe
544	509656.exe
544	509656.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	648	powershell.exe
Token: SeDebugPrivilege	544	509656.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 648	4724	509656.exe	85
PID 4724 wrote to memory of 648	4724	509656.exe	85
PID 4724 wrote to memory of 648	4724	509656.exe	85
PID 4724 wrote to memory of 3392	4724	509656.exe	87
PID 4724 wrote to memory of 3392	4724	509656.exe	87
PID 4724 wrote to memory of 3392	4724	509656.exe	87
PID 4724 wrote to memory of 544	4724	509656.exe	89
PID 4724 wrote to memory of 544	4724	509656.exe	89
PID 4724 wrote to memory of 544	4724	509656.exe	89
PID 4724 wrote to memory of 544	4724	509656.exe	89
PID 4724 wrote to memory of 544	4724	509656.exe	89
PID 4724 wrote to memory of 544	4724	509656.exe	89
PID 4724 wrote to memory of 544	4724	509656.exe	89
PID 4724 wrote to memory of 544	4724	509656.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	509656.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	509656.exe

C:\Users\Admin\AppData\Local\Temp\509656.exe
"C:\Users\Admin\AppData\Local\Temp\509656.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nQDqSw.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nQDqSw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7CC1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3392
- C:\Users\Admin\AppData\Local\Temp\509656.exe
  "C:\Users\Admin\AppData\Local\Temp\509656.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\509656.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uqealvcd.i3t.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7CC1.tmp

Filesize
1KB

MD5
71ad6575fe18cca11defb0fff7913556

SHA1
03d9014a3731ac90d70ba5bc264a65e5a4a8332c

SHA256
2bd20f76f921def509e8cba1e81fefcc80bf9099d38baf33ba015e33be1093cb

SHA512
28ce58a3985c5d01f0b152355872a5832ed9e5e02d9629a2ace0f79536ffded28dfbb2f860ace8da22712ab8ad74639675b0bad57b03ad7244431b5bd42db8ad

Download Submit
memory/544-80-0x0000000005690000-0x00000000056A0000-memory.dmp

Filesize
64KB

Download
memory/544-79-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/544-69-0x0000000006F80000-0x0000000007142000-memory.dmp

Filesize
1.8MB

Download
memory/544-68-0x0000000006D60000-0x0000000006DB0000-memory.dmp

Filesize
320KB

Download
memory/544-30-0x0000000005690000-0x00000000056A0000-memory.dmp

Filesize
64KB

Download
memory/544-32-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/544-23-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/544-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/648-35-0x0000000005DE0000-0x0000000005E46000-memory.dmp

Filesize
408KB

Download
memory/648-61-0x00000000078F0000-0x00000000078FE000-memory.dmp

Filesize
56KB

Download
memory/648-17-0x0000000005550000-0x0000000005B78000-memory.dmp

Filesize
6.2MB

Download
memory/648-19-0x0000000004F10000-0x0000000004F20000-memory.dmp

Filesize
64KB

Download
memory/648-16-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/648-14-0x0000000002A70000-0x0000000002AA6000-memory.dmp

Filesize
216KB

Download
memory/648-67-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/648-64-0x00000000079E0000-0x00000000079E8000-memory.dmp

Filesize
32KB

Download
memory/648-63-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/648-62-0x0000000007900000-0x0000000007914000-memory.dmp

Filesize
80KB

Download
memory/648-18-0x0000000004F10000-0x0000000004F20000-memory.dmp

Filesize
64KB

Download
memory/648-31-0x0000000005C10000-0x0000000005C32000-memory.dmp

Filesize
136KB

Download
memory/648-60-0x00000000078C0000-0x00000000078D1000-memory.dmp

Filesize
68KB

Download
memory/648-59-0x0000000007940000-0x00000000079D6000-memory.dmp

Filesize
600KB

Download
memory/648-38-0x0000000005F90000-0x00000000062E4000-memory.dmp

Filesize
3.3MB

Download
memory/648-39-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/648-40-0x0000000006440000-0x000000000648C000-memory.dmp

Filesize
304KB

Download
memory/648-41-0x000000007FC90000-0x000000007FCA0000-memory.dmp

Filesize
64KB

Download
memory/648-42-0x0000000006960000-0x0000000006992000-memory.dmp

Filesize
200KB

Download
memory/648-55-0x0000000007360000-0x0000000007403000-memory.dmp

Filesize
652KB

Download
memory/648-54-0x0000000004F10000-0x0000000004F20000-memory.dmp

Filesize
64KB

Download
memory/648-53-0x0000000006940000-0x000000000695E000-memory.dmp

Filesize
120KB

Download
memory/648-43-0x00000000704A0000-0x00000000704EC000-memory.dmp

Filesize
304KB

Download
memory/648-56-0x0000000007D00000-0x000000000837A000-memory.dmp

Filesize
6.5MB

Download
memory/648-57-0x00000000076C0000-0x00000000076DA000-memory.dmp

Filesize
104KB

Download
memory/648-58-0x0000000007730000-0x000000000773A000-memory.dmp

Filesize
40KB

Download
memory/4724-0-0x0000000000CE0000-0x0000000000D9A000-memory.dmp

Filesize
744KB

Download
memory/4724-5-0x00000000057B0000-0x00000000057BA000-memory.dmp

Filesize
40KB

Download
memory/4724-6-0x00000000057C0000-0x00000000057D2000-memory.dmp

Filesize
72KB

Download
memory/4724-7-0x00000000057E0000-0x00000000057EE000-memory.dmp

Filesize
56KB

Download
memory/4724-8-0x0000000006470000-0x00000000064F8000-memory.dmp

Filesize
544KB

Download
memory/4724-24-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/4724-9-0x0000000008A30000-0x0000000008ACC000-memory.dmp

Filesize
624KB

Download
memory/4724-4-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/4724-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/4724-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/4724-1-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download