agenttesla | c41893463c861e8d6274f2d5f5335ba4d23dfe4c6d6d65d8bc08eec140b4890d

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

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
2488	powershell.exe
2208	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 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-1-5-21-3290804112-2823094203-3137964600-1000\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1848 set thread context of 2636	1848	Invoice Request.scr.exe	37

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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1848	Invoice Request.scr.exe
1848	Invoice Request.scr.exe
2636	Invoice Request.scr.exe
2636	Invoice Request.scr.exe
2208	powershell.exe
2488	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	Invoice Request.scr.exe
Token: SeDebugPrivilege	2636	Invoice Request.scr.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	2488	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2488	1848	Invoice Request.scr.exe	31
PID 1848 wrote to memory of 2488	1848	Invoice Request.scr.exe	31
PID 1848 wrote to memory of 2488	1848	Invoice Request.scr.exe	31
PID 1848 wrote to memory of 2488	1848	Invoice Request.scr.exe	31
PID 1848 wrote to memory of 2208	1848	Invoice Request.scr.exe	33
PID 1848 wrote to memory of 2208	1848	Invoice Request.scr.exe	33
PID 1848 wrote to memory of 2208	1848	Invoice Request.scr.exe	33
PID 1848 wrote to memory of 2208	1848	Invoice Request.scr.exe	33
PID 1848 wrote to memory of 2828	1848	Invoice Request.scr.exe	34
PID 1848 wrote to memory of 2828	1848	Invoice Request.scr.exe	34
PID 1848 wrote to memory of 2828	1848	Invoice Request.scr.exe	34
PID 1848 wrote to memory of 2828	1848	Invoice Request.scr.exe	34
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37
PID 1848 wrote to memory of 2636	1848	Invoice Request.scr.exe	37

C:\Users\Admin\AppData\Local\Temp\Invoice Request.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice Request.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848
- 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:2488
- 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:2208
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PPTPXSGOk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp204.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- 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:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp204.tmp

Filesize
1KB

MD5
25a54675831823fa0f181122f960b5eb

SHA1
f455f6e66575c2b96a1623b60ea835cf16ff8f63

SHA256
6090312629ad243f3f7ee5e23595a2094a68be884d022f9d49d5ed4f85b91423

SHA512
b3ae9590d62c6b3d968d96963b4718b113270e372ba288a0e3b5459e720881d2353ad95dfe386643529e42b0b7043a98bd489d0545b1fe64e37a34e37ab54a4f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
90f03ebd6b4acacf421fae3f25eba5bb

SHA1
bb74b51da6a9ea44937b3b8817fcc6582104a2e2

SHA256
3c847c39b73c4e9c46fe39e20e6413501068ec73c8cb72245de0d88fb1d3fe95

SHA512
c71b124872a987b9d6f95d93083a4d5b181c409751c1bd4b5677935315274171ac03937f96c3ae7b09720f111146fad939c39e7fffbcec3b95763a87d192ffc6

Download Submit
memory/1848-4-0x00000000008C0000-0x00000000008D0000-memory.dmp

Filesize
64KB

Download
memory/1848-3-0x00000000047C0000-0x000000000485A000-memory.dmp

Filesize
616KB

Download
memory/1848-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1848-5-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1848-6-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/1848-7-0x0000000005D30000-0x0000000005DB2000-memory.dmp

Filesize
520KB

Download
memory/1848-2-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/1848-1-0x0000000001300000-0x00000000013B4000-memory.dmp

Filesize
720KB

Download
memory/1848-33-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2636-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2636-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2636-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2636-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2636-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2636-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads