agenttesla | c7ee9124f10a69564f9f096cc641aaf1c005a5270c8b62781ab71ced91a941d2

General

Target

124d3330_4829.124d3330_4847.pdf.exe
Size

766KB
MD5

61cc67fc6107f2cc08444d2ad64912f8
SHA1

356e95d3e1814859418a9bcad93508abb1309211
SHA256

c7ee9124f10a69564f9f096cc641aaf1c005a5270c8b62781ab71ced91a941d2
SHA512

f5afbff46989909790a7f2405af8e7010e3e5dac7dfac001e2d68d84215240a0b86a6f56ccf7a286509632de3bd96fb8d6d6c8624f75211c2b671e4678d00fd5
SSDEEP

12288:G1ZF8K63T4C1YD9avcgbjy37yeWG2tDpmAxRa4frkbKBRnvP9:GyMKdyz5WFxJDkbepP

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.musabody.com
Port:
587
Username:
[email protected]
Password:
MUSAbody_victoria2018
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
1820	powershell.exe

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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe"	124d3330_4829.124d3330_4847.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34

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	124d3330_4829.124d3330_4847.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	124d3330_4829.124d3330_4847.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2296	124d3330_4829.124d3330_4847.pdf.exe
2296	124d3330_4829.124d3330_4847.pdf.exe
2296	124d3330_4829.124d3330_4847.pdf.exe
2296	124d3330_4829.124d3330_4847.pdf.exe
592	124d3330_4829.124d3330_4847.pdf.exe
592	124d3330_4829.124d3330_4847.pdf.exe
1820	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	124d3330_4829.124d3330_4847.pdf.exe
Token: SeDebugPrivilege	592	124d3330_4829.124d3330_4847.pdf.exe
Token: SeDebugPrivilege	1820	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
592	124d3330_4829.124d3330_4847.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1820	2296	124d3330_4829.124d3330_4847.pdf.exe	31
PID 2296 wrote to memory of 1820	2296	124d3330_4829.124d3330_4847.pdf.exe	31
PID 2296 wrote to memory of 1820	2296	124d3330_4829.124d3330_4847.pdf.exe	31
PID 2296 wrote to memory of 1820	2296	124d3330_4829.124d3330_4847.pdf.exe	31
PID 2296 wrote to memory of 2700	2296	124d3330_4829.124d3330_4847.pdf.exe	32
PID 2296 wrote to memory of 2700	2296	124d3330_4829.124d3330_4847.pdf.exe	32
PID 2296 wrote to memory of 2700	2296	124d3330_4829.124d3330_4847.pdf.exe	32
PID 2296 wrote to memory of 2700	2296	124d3330_4829.124d3330_4847.pdf.exe	32
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34
PID 2296 wrote to memory of 592	2296	124d3330_4829.124d3330_4847.pdf.exe	34

C:\Users\Admin\AppData\Local\Temp\124d3330_4829.124d3330_4847.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\124d3330_4829.124d3330_4847.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- 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\124d3330_4829.124d3330_4847.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1820
- C:\Users\Admin\AppData\Local\Temp\124d3330_4829.124d3330_4847.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\124d3330_4829.124d3330_4847.pdf.exe"
  2⤵
  PID:2700
- C:\Users\Admin\AppData\Local\Temp\124d3330_4829.124d3330_4847.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\124d3330_4829.124d3330_4847.pdf.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:592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/592-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/592-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/592-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/592-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/592-24-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/592-22-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/592-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/592-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/592-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/592-28-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/592-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2296-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2296-1-0x0000000000AD0000-0x0000000000B96000-memory.dmp

Filesize
792KB

Download
memory/2296-6-0x00000000005F0000-0x0000000000672000-memory.dmp

Filesize
520KB

Download
memory/2296-5-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-23-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-4-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2296-3-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads