agenttesla | 3123af93014a5a5c49aa6fd2118f6805041af178c222be27e30b2fd477085c19

Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

06-08-2024 13:01

06-08-2024 12:52

06-08-2024 12:29

06-08-2024 12:26

Analysis

max time kernel
121s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 12:29

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Report Analysis Logs

General

Target

1/0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Size

678KB
MD5

c229261d7e8c8524dd25f7bc58edddf8
SHA1

781d106f3aa60c392f039968ae45c53f78890871
SHA256

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd
SHA512

be05a39499b86bfcb30725fd277502f026b29b205bb657d8303b55d9b8e0ae6d4bfb507153d77229871df32d4608a5b8b3bdb1e783f12db2541e48a73fd2891c
SSDEEP

12288:8S2iNbczDLej8zhAA3Crp4mIjYBTBIE5Vmmah9di01DRzqICQlzCDmXPIPe:8S1ZcXh9IuMZBIEHlg9s01D71lzCDmXS

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
Sages101*

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
Sages101*
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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4492	powershell.exe
3392	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	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVCcTv = "C:\\Users\\Admin\\AppData\\Roaming\\YVCcTv\\YVCcTv.exe"	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

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
17	ip-api.com
14	api.ipify.org
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94

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 5 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	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1476	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
3392	powershell.exe
4492	powershell.exe
1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
3392	powershell.exe
3624	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
3624	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
4492	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Token: SeDebugPrivilege	4492	powershell.exe
Token: SeDebugPrivilege	3392	powershell.exe
Token: SeDebugPrivilege	3624	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 4492	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	88
PID 1948 wrote to memory of 4492	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	88
PID 1948 wrote to memory of 4492	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	88
PID 1948 wrote to memory of 3392	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	90
PID 1948 wrote to memory of 3392	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	90
PID 1948 wrote to memory of 3392	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	90
PID 1948 wrote to memory of 1476	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	92
PID 1948 wrote to memory of 1476	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	92
PID 1948 wrote to memory of 1476	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	92
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94
PID 1948 wrote to memory of 3624	1948	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	94

C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
"C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948
- 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\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4492
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yZxVRz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3392
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1476
- C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
  "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe.log

Filesize
1KB

MD5
6f8f3a9a57cb30e686d3355e656031e0

SHA1
acccd6befb1a2f40e662280bc5182e086a0d079b

SHA256
283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea

SHA512
8f11d645ff4f8d5b1c45b06eb52cd45319659255306d60e80e33abfd04b9e3b1164679f11a8a23bd493e4b3f6b9841d70e553a01835eeaf6035b4d05e4fd7b54

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_btk0rqay.qkf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp25C.tmp

Filesize
1KB

MD5
557048d74663280a72ed9255e034fe1c

SHA1
7906415dc5ef69ba5dd72b7daffd9ecd3bc794dd

SHA256
dceb74810c10eb0abf3112695da6b14df1b2643feb68465ae2dee8cd4f137cd6

SHA512
2f5fde4847e6d76807ce90c6b89348e93210d388507e16661d880c004372c27462f41eeb260b42c1740ea5841d2353a00bde8280a9f4453a4565b1984fd3621c

Download Submit
memory/1948-6-0x0000000006480000-0x00000000069AC000-memory.dmp

Filesize
5.2MB

Download
memory/1948-4-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/1948-5-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/1948-3-0x0000000005340000-0x00000000053D2000-memory.dmp

Filesize
584KB

Download
memory/1948-7-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/1948-8-0x0000000006D60000-0x0000000006D6E000-memory.dmp

Filesize
56KB

Download
memory/1948-9-0x0000000006DC0000-0x0000000006E44000-memory.dmp

Filesize
528KB

Download
memory/1948-10-0x0000000009540000-0x00000000095DC000-memory.dmp

Filesize
624KB

Download
memory/1948-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/1948-49-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/1948-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download
memory/1948-1-0x00000000008C0000-0x0000000000970000-memory.dmp

Filesize
704KB

Download
memory/3392-23-0x0000000006110000-0x0000000006176000-memory.dmp

Filesize
408KB

Download
memory/3392-53-0x0000000071570000-0x00000000715BC000-memory.dmp

Filesize
304KB

Download
memory/3392-24-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3392-79-0x0000000007C80000-0x0000000007C91000-memory.dmp

Filesize
68KB

Download
memory/3392-22-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/3392-21-0x00000000058A0000-0x00000000058C2000-memory.dmp

Filesize
136KB

Download
memory/3392-83-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

Filesize
32KB

Download
memory/3392-81-0x0000000007CC0000-0x0000000007CD4000-memory.dmp

Filesize
80KB

Download
memory/3392-82-0x0000000007DC0000-0x0000000007DDA000-memory.dmp

Filesize
104KB

Download
memory/3392-76-0x0000000007A80000-0x0000000007A9A000-memory.dmp

Filesize
104KB

Download
memory/3392-86-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3392-75-0x00000000080D0000-0x000000000874A000-memory.dmp

Filesize
6.5MB

Download
memory/3392-46-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3392-50-0x0000000006760000-0x000000000677E000-memory.dmp

Filesize
120KB

Download
memory/3392-51-0x00000000067F0000-0x000000000683C000-memory.dmp

Filesize
304KB

Download
memory/3392-80-0x0000000007CB0000-0x0000000007CBE000-memory.dmp

Filesize
56KB

Download
memory/3392-19-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3392-73-0x0000000006CF0000-0x0000000006D0E000-memory.dmp

Filesize
120KB

Download
memory/3392-52-0x0000000006D10000-0x0000000006D42000-memory.dmp

Filesize
200KB

Download
memory/3392-74-0x0000000007930000-0x00000000079D3000-memory.dmp

Filesize
652KB

Download
memory/3624-89-0x00000000067C0000-0x0000000006810000-memory.dmp

Filesize
320KB

Download
memory/3624-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4492-15-0x0000000004EF0000-0x0000000004F26000-memory.dmp

Filesize
216KB

Download
memory/4492-78-0x0000000007A40000-0x0000000007AD6000-memory.dmp

Filesize
600KB

Download
memory/4492-77-0x0000000007830000-0x000000000783A000-memory.dmp

Filesize
40KB

Download
memory/4492-54-0x0000000071570000-0x00000000715BC000-memory.dmp

Filesize
304KB

Download
memory/4492-35-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4492-34-0x0000000005F20000-0x0000000006274000-memory.dmp

Filesize
3.3MB

Download
memory/4492-18-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4492-87-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4492-17-0x00000000056D0000-0x0000000005CF8000-memory.dmp

Filesize
6.2MB

Download
memory/4492-16-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download