agenttesla | 03d70e61c415e7a0e2ec76c31cdaa056d05ba4a0c5424611df5b5b69c1415ff9

Analysis

max time kernel
316s
max time network
1598s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
02/10/2024, 12:18

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General

Target

PO23100070.exe
Size

657KB
MD5

885f5a1ad4e095da19fe160b8901cb45
SHA1

5cc5a214ea49654280f3b1b842c1b8a3e772ebcb
SHA256

03d70e61c415e7a0e2ec76c31cdaa056d05ba4a0c5424611df5b5b69c1415ff9
SHA512

88cb9242d726db4e73194716090b17ef76c79f422d8931a960a4d9066b5415c447c32614df5a613c28712e4231ef64cf00d58d7cfff0db9e75adf72d610e806b
SSDEEP

12288:WLKWTG4mCQGO93AI+6Z3i+wjYFTcqODJDKQhYLQ:0xTPeStjYFYqqDKQH

Score

10^/10

agenttesla collection discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

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

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
4608	powershell.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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO23100070.exe
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO23100070.exe
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO23100070.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 4472	1640	PO23100070.exe	76

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	PO23100070.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO23100070.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4608	powershell.exe
4608	powershell.exe
4608	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4472	PO23100070.exe
Token: SeDebugPrivilege	4608	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 4608	1640	PO23100070.exe	74
PID 1640 wrote to memory of 4608	1640	PO23100070.exe	74
PID 1640 wrote to memory of 4608	1640	PO23100070.exe	74
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76
PID 1640 wrote to memory of 4472	1640	PO23100070.exe	76

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO23100070.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO23100070.exe

C:\Users\Admin\AppData\Local\Temp\PO23100070.exe
"C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- 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\PO23100070.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4608
- C:\Users\Admin\AppData\Local\Temp\PO23100070.exe
  "C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4472

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO23100070.exe.log

Filesize
1KB

MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vhpnx25c.3gs.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/1640-9-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-1-0x00000000009D0000-0x0000000000A7A000-memory.dmp

Filesize
680KB

Download
memory/1640-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/1640-5-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-6-0x0000000005610000-0x00000000056AC000-memory.dmp

Filesize
624KB

Download
memory/1640-7-0x00000000055F0000-0x000000000560A000-memory.dmp

Filesize
104KB

Download
memory/1640-8-0x0000000073A8E000-0x0000000073A8F000-memory.dmp

Filesize
4KB

Download
memory/1640-0-0x0000000073A8E000-0x0000000073A8F000-memory.dmp

Filesize
4KB

Download
memory/1640-10-0x0000000007C40000-0x0000000007CB0000-memory.dmp

Filesize
448KB

Download
memory/1640-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download
memory/1640-2-0x0000000005790000-0x0000000005C8E000-memory.dmp

Filesize
5.0MB

Download
memory/1640-15-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/4472-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4472-124-0x0000000006300000-0x00000000064C2000-memory.dmp

Filesize
1.8MB

Download
memory/4472-123-0x00000000060E0000-0x0000000006130000-memory.dmp

Filesize
320KB

Download
memory/4472-20-0x0000000004DE0000-0x0000000004E46000-memory.dmp

Filesize
408KB

Download
memory/4472-14-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/4472-271-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/4608-24-0x0000000007240000-0x00000000072A6000-memory.dmp

Filesize
408KB

Download
memory/4608-47-0x00000000704C0000-0x000000007050B000-memory.dmp

Filesize
300KB

Download
memory/4608-19-0x0000000006B30000-0x0000000007158000-memory.dmp

Filesize
6.2MB

Download
memory/4608-26-0x0000000007430000-0x0000000007780000-memory.dmp

Filesize
3.3MB

Download
memory/4608-27-0x0000000007920000-0x000000000793C000-memory.dmp

Filesize
112KB

Download
memory/4608-28-0x0000000007940000-0x000000000798B000-memory.dmp

Filesize
300KB

Download
memory/4608-29-0x0000000007BC0000-0x0000000007C36000-memory.dmp

Filesize
472KB

Download
memory/4608-22-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/4608-46-0x0000000008AE0000-0x0000000008B13000-memory.dmp

Filesize
204KB

Download
memory/4608-23-0x00000000071A0000-0x00000000071C2000-memory.dmp

Filesize
136KB

Download
memory/4608-48-0x0000000008AC0000-0x0000000008ADE000-memory.dmp

Filesize
120KB

Download
memory/4608-53-0x0000000008C20000-0x0000000008CC5000-memory.dmp

Filesize
660KB

Download
memory/4608-54-0x0000000009050000-0x00000000090E4000-memory.dmp

Filesize
592KB

Download
memory/4608-21-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/4608-18-0x0000000004140000-0x0000000004176000-memory.dmp

Filesize
216KB

Download
memory/4608-249-0x0000000008FB0000-0x0000000008FCA000-memory.dmp

Filesize
104KB

Download
memory/4608-254-0x0000000008F90000-0x0000000008F98000-memory.dmp

Filesize
32KB

Download
memory/4608-270-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download
memory/4608-25-0x0000000073A80000-0x000000007416E000-memory.dmp

Filesize
6.9MB

Download