agenttesla | 53b88a249d4c970ada7b688e9e44282aa3a36c44a4b170bd2988b5b53c8a224b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 05:23

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General

Target

Invoice0167562.exe
Size

635KB
MD5

204ac6e77b42347b084cd3fc41850fc1
SHA1

fe84f5afeceb6b463eb4505f51d2d868bf20d330
SHA256

53b88a249d4c970ada7b688e9e44282aa3a36c44a4b170bd2988b5b53c8a224b
SHA512

c0e7d63bc3e6a66854e342eb222892a140bde52d4af646b9e1125f2de04b1d9f6e6e99ae04d15d334af09165246e8bc7da11b728b55bf36acdf06a94d9fedbaa
SSDEEP

12288:rK6momWOHSR+MSaaICgYeem6OvbVXgX/8hHVbzvzg0WOvnbp9:Db/BR+Mtz0m6QVX0Y1U0/

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.mailo.com
Port:
587
Username:
[email protected]
Password:
Nosakhare1995

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mailo.com
Port:
587
Username:
[email protected]
Password:
Nosakhare1995
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3764	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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	Invoice0167562.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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZyINVm = "C:\\Users\\Admin\\AppData\\Roaming\\ZyINVm\\ZyINVm.exe"	Invoice0167562.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
31	api.ipify.org
32	api.ipify.org
33	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 4456	4680	Invoice0167562.exe	98

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 4 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	Invoice0167562.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	Invoice0167562.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
4636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4680	Invoice0167562.exe
4680	Invoice0167562.exe
3764	powershell.exe
4456	Invoice0167562.exe
4456	Invoice0167562.exe
3764	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4680	Invoice0167562.exe
Token: SeDebugPrivilege	3764	powershell.exe
Token: SeDebugPrivilege	4456	Invoice0167562.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4456	Invoice0167562.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 3764	4680	Invoice0167562.exe	94
PID 4680 wrote to memory of 3764	4680	Invoice0167562.exe	94
PID 4680 wrote to memory of 3764	4680	Invoice0167562.exe	94
PID 4680 wrote to memory of 4636	4680	Invoice0167562.exe	96
PID 4680 wrote to memory of 4636	4680	Invoice0167562.exe	96
PID 4680 wrote to memory of 4636	4680	Invoice0167562.exe	96
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98
PID 4680 wrote to memory of 4456	4680	Invoice0167562.exe	98

C:\Users\Admin\AppData\Local\Temp\Invoice0167562.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice0167562.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:4680
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OfGudSe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3764
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OfGudSe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5FD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4636
- C:\Users\Admin\AppData\Local\Temp\Invoice0167562.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice0167562.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4456

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vn1ouxlu.k55.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD5FD.tmp

Filesize
1KB

MD5
9c32a9fee6268a46d0c0d83ad674a86e

SHA1
4f680bf38aee6d5e8565103c9bc17d29877de118

SHA256
de764a42a2e2cc62a966f540ff6f88874878fdcdb9dbeb157a8c4f6335fa71fc

SHA512
ec0037383939461ab9ee69c680053bce6bec104eec22d2edd9884fbad64cd10a7e0044ee02e8d7db2d0af3df8f28b13ac45c7c63ce0a6b8a0d0bbe5cde81e705

Download Submit
memory/3764-20-0x0000000005500000-0x0000000005B28000-memory.dmp

Filesize
6.2MB

Download
memory/3764-65-0x0000000007980000-0x0000000007988000-memory.dmp

Filesize
32KB

Download
memory/3764-21-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-64-0x00000000079A0000-0x00000000079BA000-memory.dmp

Filesize
104KB

Download
memory/3764-63-0x00000000078A0000-0x00000000078B4000-memory.dmp

Filesize
80KB

Download
memory/3764-62-0x0000000007890000-0x000000000789E000-memory.dmp

Filesize
56KB

Download
memory/3764-60-0x0000000007860000-0x0000000007871000-memory.dmp

Filesize
68KB

Download
memory/3764-59-0x00000000078E0000-0x0000000007976000-memory.dmp

Filesize
600KB

Download
memory/3764-58-0x00000000076D0000-0x00000000076DA000-memory.dmp

Filesize
40KB

Download
memory/3764-57-0x0000000007660000-0x000000000767A000-memory.dmp

Filesize
104KB

Download
memory/3764-56-0x0000000007CA0000-0x000000000831A000-memory.dmp

Filesize
6.5MB

Download
memory/3764-17-0x0000000002A30000-0x0000000002A66000-memory.dmp

Filesize
216KB

Download
memory/3764-18-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-69-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-44-0x0000000071240000-0x000000007128C000-memory.dmp

Filesize
304KB

Download
memory/3764-54-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/3764-43-0x0000000007300000-0x0000000007332000-memory.dmp

Filesize
200KB

Download
memory/3764-23-0x0000000005390000-0x00000000053B2000-memory.dmp

Filesize
136KB

Download
memory/3764-24-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/3764-25-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/3764-55-0x0000000007540000-0x00000000075E3000-memory.dmp

Filesize
652KB

Download
memory/3764-40-0x00000000068B0000-0x00000000068FC000-memory.dmp

Filesize
304KB

Download
memory/3764-28-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/3764-27-0x0000000005CE0000-0x0000000006034000-memory.dmp

Filesize
3.3MB

Download
memory/3764-39-0x0000000006340000-0x000000000635E000-memory.dmp

Filesize
120KB

Download
memory/4456-41-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-42-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-70-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4456-66-0x00000000066A0000-0x00000000066F0000-memory.dmp

Filesize
320KB

Download
memory/4680-11-0x0000000005EC0000-0x0000000005F3C000-memory.dmp

Filesize
496KB

Download
memory/4680-29-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4680-12-0x0000000006140000-0x00000000061DC000-memory.dmp

Filesize
624KB

Download
memory/4680-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/4680-10-0x0000000004E00000-0x0000000004E0E000-memory.dmp

Filesize
56KB

Download
memory/4680-9-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

Filesize
40KB

Download
memory/4680-8-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4680-7-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/4680-6-0x0000000004DB0000-0x0000000004DC4000-memory.dmp

Filesize
80KB

Download
memory/4680-5-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

Filesize
40KB

Download
memory/4680-4-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4680-3-0x0000000004C60000-0x0000000004CF2000-memory.dmp

Filesize
584KB

Download
memory/4680-2-0x0000000005210000-0x00000000057B4000-memory.dmp

Filesize
5.6MB

Download
memory/4680-1-0x0000000000150000-0x00000000001F4000-memory.dmp

Filesize
656KB

Download