agenttesla | 2abce9c063bd0e3efc48620eb47135a284547fe719673cdbb99db56db960fb88

General

Target

Drop.exe
Size

1.1MB
MD5

2bb79bfce49456511dfb428f07ba998d
SHA1

907aeee767ec7fc92750fa812b7aec972edcee4a
SHA256

2abce9c063bd0e3efc48620eb47135a284547fe719673cdbb99db56db960fb88
SHA512

5c0e8e7f4ac75bb0ebc60a3f7dcddfa1401e3b05cf18c67ad0a08e217bef46652010cf8bb5c3d73bd1b49dafd9f5b18f5f1e9d50edd96e80fc9751e875cc6f1f
SSDEEP

12288:frOhy+Ri3AgFdaRmP1qfdgFVKlcmfxubzUcOqjFru6uwA59ImLnmXRNwkxp1:ufQ3AgSm9KdgFM1kzjI95bfiX7

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6870997224:AAE1DM-I_7lQDJjkvyCLJZ6YG8Bbdw0Nx54/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
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
2816	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 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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 2880	2500	Drop.exe	33

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	Drop.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Drop.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2880	Drop.exe
2880	Drop.exe
2816	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	Drop.exe
Token: SeDebugPrivilege	2816	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2816	2500	Drop.exe	31
PID 2500 wrote to memory of 2816	2500	Drop.exe	31
PID 2500 wrote to memory of 2816	2500	Drop.exe	31
PID 2500 wrote to memory of 2816	2500	Drop.exe	31
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33
PID 2500 wrote to memory of 2880	2500	Drop.exe	33

C:\Users\Admin\AppData\Local\Temp\Drop.exe
"C:\Users\Admin\AppData\Local\Temp\Drop.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- 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\Drop.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\Drop.exe
  "C:\Users\Admin\AppData\Local\Temp\Drop.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/2500-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2500-1-0x0000000000DA0000-0x0000000000E66000-memory.dmp

Filesize
792KB

Download
memory/2500-2-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2500-3-0x0000000000640000-0x0000000000652000-memory.dmp

Filesize
72KB

Download
memory/2500-4-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2500-5-0x0000000005360000-0x00000000053F0000-memory.dmp

Filesize
576KB

Download
memory/2500-20-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2880-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2880-21-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2880-19-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2880-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2880-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2880-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2880-24-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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