agenttesla | c41893463c861e8d6274f2d5f5335ba4d23dfe4c6d6d65d8bc08eec140b4890d

Analysis

max time kernel
116s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 13:56

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General

Target

Invoice Request.scr.exe
Size

701KB
MD5

6f605fd10c79ec475befda0cd232f38b
SHA1

8b015776a4e0e1ba8495f89296b4eb5293faba33
SHA256

c41893463c861e8d6274f2d5f5335ba4d23dfe4c6d6d65d8bc08eec140b4890d
SHA512

24de79629da70f73f56576438965b653578888576be7013cc814af92c7cba1ae29517e245b0469ee842133c16a00611b3b96b87432c23c13093e0062f301d823
SSDEEP

12288:ksK8s/+/yHUvONddAckNe5xAkO5IGGswKPS3JFn0C53tqksN7t0lTO3tz0:RiMywONddAdN2ek975n3a97mO9

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Password: )NYyffR0

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Password: )NYyffR0
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
4860	powershell.exe
1284	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	Invoice Request.scr.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\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe"	Invoice Request.scr.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
20	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 4240	1508	Invoice Request.scr.exe	99

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	Invoice Request.scr.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	Invoice Request.scr.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
2228	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1508	Invoice Request.scr.exe
4860	powershell.exe
1284	powershell.exe
1284	powershell.exe
1508	Invoice Request.scr.exe
1508	Invoice Request.scr.exe
4860	powershell.exe
4860	powershell.exe
4240	Invoice Request.scr.exe
4240	Invoice Request.scr.exe
1284	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	Invoice Request.scr.exe
Token: SeDebugPrivilege	4860	powershell.exe
Token: SeDebugPrivilege	1284	powershell.exe
Token: SeDebugPrivilege	4240	Invoice Request.scr.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 4860	1508	Invoice Request.scr.exe	93
PID 1508 wrote to memory of 4860	1508	Invoice Request.scr.exe	93
PID 1508 wrote to memory of 4860	1508	Invoice Request.scr.exe	93
PID 1508 wrote to memory of 1284	1508	Invoice Request.scr.exe	95
PID 1508 wrote to memory of 1284	1508	Invoice Request.scr.exe	95
PID 1508 wrote to memory of 1284	1508	Invoice Request.scr.exe	95
PID 1508 wrote to memory of 2228	1508	Invoice Request.scr.exe	97
PID 1508 wrote to memory of 2228	1508	Invoice Request.scr.exe	97
PID 1508 wrote to memory of 2228	1508	Invoice Request.scr.exe	97
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99
PID 1508 wrote to memory of 4240	1508	Invoice Request.scr.exe	99

C:\Users\Admin\AppData\Local\Temp\Invoice Request.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice Request.scr.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:1508
- 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\Invoice Request.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4860
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PPTPXSGOk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1284
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PPTPXSGOk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA42F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2228
- C:\Users\Admin\AppData\Local\Temp\Invoice Request.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice Request.scr.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4240

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
554a68428239878d2a4740b1ebd5e89c

SHA1
0ff24cb9925c62a00f2569adc5c48bed99a89a6d

SHA256
65a23ab89f7a918c6d3ee2a18f87c956462f9d9b06ab453d94c764eac3d3f100

SHA512
89eaa5a6c383e4c6726cba4943cdb91296ae40155de236f0bf06ef5f81a0ccdcd9147d70d953215cd9abcd83d591037510e794695b6372506256225b21e13f12

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ffkmaske.22p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA42F.tmp

Filesize
1KB

MD5
f794788e059ab6bc75ee509c786d5c19

SHA1
a40e6f614dc7b40a8ae3696ad2d7f1bb68074c69

SHA256
4fc59f86528aac24408d24273f67b093536b5c1cd7442758b8a851ea1e7737d7

SHA512
cef7d40e8ce4cc09b24ce5ed4d0dc70ae88b364139f4803bbffe080e5c0c2b650b9332b89deb3c391ce6068c4cb1d8ecdeb6be05b4fd51c574eac646acc264ef

Download Submit
memory/1284-46-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1284-67-0x0000000075670000-0x00000000756BC000-memory.dmp

Filesize
304KB

Download
memory/1284-81-0x0000000007C40000-0x0000000007C54000-memory.dmp

Filesize
80KB

Download
memory/1284-82-0x0000000007D40000-0x0000000007D5A000-memory.dmp

Filesize
104KB

Download
memory/1284-83-0x0000000007D20000-0x0000000007D28000-memory.dmp

Filesize
32KB

Download
memory/1284-21-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1284-20-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1284-87-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1508-6-0x0000000007F40000-0x0000000007FDA000-memory.dmp

Filesize
616KB

Download
memory/1508-49-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1508-11-0x000000000A6B0000-0x000000000A74C000-memory.dmp

Filesize
624KB

Download
memory/1508-10-0x0000000006A20000-0x0000000006AA2000-memory.dmp

Filesize
520KB

Download
memory/1508-9-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1508-8-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/1508-7-0x0000000005830000-0x0000000005840000-memory.dmp

Filesize
64KB

Download
memory/1508-1-0x0000000000AC0000-0x0000000000B74000-memory.dmp

Filesize
720KB

Download
memory/1508-4-0x0000000005540000-0x000000000554A000-memory.dmp

Filesize
40KB

Download
memory/1508-5-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1508-3-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download
memory/1508-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

Filesize
5.6MB

Download
memory/1508-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/4240-92-0x0000000006980000-0x00000000069D0000-memory.dmp

Filesize
320KB

Download
memory/4240-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4860-33-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

Filesize
3.3MB

Download
memory/4860-50-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/4860-51-0x00000000064C0000-0x000000000650C000-memory.dmp

Filesize
304KB

Download
memory/4860-63-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/4860-64-0x0000000007260000-0x0000000007303000-memory.dmp

Filesize
652KB

Download
memory/4860-53-0x0000000075670000-0x00000000756BC000-memory.dmp

Filesize
304KB

Download
memory/4860-52-0x0000000006630000-0x0000000006662000-memory.dmp

Filesize
200KB

Download
memory/4860-28-0x0000000005230000-0x0000000005296000-memory.dmp

Filesize
408KB

Download
memory/4860-66-0x0000000007380000-0x000000000739A000-memory.dmp

Filesize
104KB

Download
memory/4860-65-0x0000000007A30000-0x00000000080AA000-memory.dmp

Filesize
6.5MB

Download
memory/4860-77-0x0000000007400000-0x000000000740A000-memory.dmp

Filesize
40KB

Download
memory/4860-78-0x0000000007610000-0x00000000076A6000-memory.dmp

Filesize
600KB

Download
memory/4860-79-0x0000000007590000-0x00000000075A1000-memory.dmp

Filesize
68KB

Download
memory/4860-31-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4860-29-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/4860-22-0x0000000005190000-0x00000000051B2000-memory.dmp

Filesize
136KB

Download
memory/4860-80-0x00000000075C0000-0x00000000075CE000-memory.dmp

Filesize
56KB

Download
memory/4860-19-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4860-91-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4860-17-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4860-18-0x0000000005400000-0x0000000005A28000-memory.dmp

Filesize
6.2MB

Download
memory/4860-16-0x0000000002750000-0x0000000002786000-memory.dmp

Filesize
216KB

Download