agenttesla | ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da

General

Target

ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe
Size

798KB
MD5

b19a4141388cb616e084129323461419
SHA1

982a5fc09b1a88edb4eac79d1c8c49796fc44f90
SHA256

ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da
SHA512

231c0c99223c8320b03ce0114b16d3b43e7b0d17e77cf000df27cb15c802514d587bd73209a9c38f77d2b1de2b69f6dc5f04c9c386d1afc08ffdccbf73b15738
SSDEEP

24576:qMnt6gGlQR2BjgJWbB3bCJbkjHEXD3HaVorb:qU5GlQ4j9N3+dkjUHaVe

Score

10^/10

agenttesla evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bloomfoss.com
Port:
587
Username:
[email protected]
Password:
}q5(.n+o4BAF}q5(.n+o4BAF
Email To:
[email protected]

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe

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
2684	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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2684	powershell.exe
2672	regasm.exe
2672	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2672	regasm.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2684	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	28
PID 2044 wrote to memory of 2684	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	28
PID 2044 wrote to memory of 2684	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	28
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2672	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	30
PID 2044 wrote to memory of 2752	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	31
PID 2044 wrote to memory of 2752	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	31
PID 2044 wrote to memory of 2752	2044	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe	31

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe

C:\Users\Admin\AppData\Local\Temp\ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe
"C:\Users\Admin\AppData\Local\Temp\ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2044
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ebcde6651afc8265c21f3d7cd1d27374da8f636c2f7edef8ab20acf8e01536da.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2044 -s 736
  2⤵
  PID:2752

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2044-24-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download
memory/2044-23-0x000007FEF5C23000-0x000007FEF5C24000-memory.dmp

Filesize
4KB

Download
memory/2044-2-0x000000001A8D0000-0x000000001A964000-memory.dmp

Filesize
592KB

Download
memory/2044-3-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download
memory/2044-0-0x000007FEF5C23000-0x000007FEF5C24000-memory.dmp

Filesize
4KB

Download
memory/2044-1-0x0000000000960000-0x000000000099A000-memory.dmp

Filesize
232KB

Download
memory/2672-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2672-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2672-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2672-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2672-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2672-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2672-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2684-8-0x0000000002B90000-0x0000000002C10000-memory.dmp

Filesize
512KB

Download
memory/2684-22-0x0000000002340000-0x0000000002348000-memory.dmp

Filesize
32KB

Download
memory/2684-19-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads