agenttesla | c09a64df71db0720511fcbc521afd0023f121c2b015e57f8ddf773f0850c0f48

General

Target
ENQ_78954100.exe
Size 198KB
Sample220412-njt8psbbbr
SHA256 c09a64df71db0720511fcbc521afd0023f121c2b015e57f8ddf773f0850c0f48
MD5 b76101c1900acf1765f263dd07959533
SHA1 0580283428706b31b08a70ea9e1724d776ecb1f7
SHA512 5de04e6d10a251e61ecc5a7b16586db5c20266c92992d293c62240799df2ad87af12cc5c20d80a9445fe6574815d7e300e0f399280b8834f9ac35c8e8c5cad6d
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ENQ_78954100.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ENQ_78954100.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ENQ_78954100.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\cTlNs = "C:\\Users\\Admin\\AppData\\Roaming\\cTlNs\\cTlNs.exe"	ENQ_78954100.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\book = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\pczn\\book.exe\""	ENQ_78954100.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 572	1960	ENQ_78954100.exe	30

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
888	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1960	ENQ_78954100.exe
572	ENQ_78954100.exe
572	ENQ_78954100.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	ENQ_78954100.exe
Token: SeDebugPrivilege	572	ENQ_78954100.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
572	ENQ_78954100.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 468	1960	ENQ_78954100.exe	27
PID 1960 wrote to memory of 468	1960	ENQ_78954100.exe	27
PID 1960 wrote to memory of 468	1960	ENQ_78954100.exe	27
PID 1960 wrote to memory of 468	1960	ENQ_78954100.exe	27
PID 468 wrote to memory of 888	468	cmd.exe	29
PID 468 wrote to memory of 888	468	cmd.exe	29
PID 468 wrote to memory of 888	468	cmd.exe	29
PID 468 wrote to memory of 888	468	cmd.exe	29
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30
PID 1960 wrote to memory of 572	1960	ENQ_78954100.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ENQ_78954100.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ENQ_78954100.exe

C:\Users\Admin\AppData\Local\Temp\ENQ_78954100.exe
"C:\Users\Admin\AppData\Local\Temp\ENQ_78954100.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 10
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:468
- - C:\Windows\SysWOW64\timeout.exe
    timeout 10
    3⤵
    - Delays execution with timeout.exe
    PID:888
- C:\Users\Admin\AppData\Local\Temp\ENQ_78954100.exe
  C:\Users\Admin\AppData\Local\Temp\ENQ_78954100.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:572

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/572-59-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/572-60-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/572-63-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/572-62-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/572-64-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/572-67-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/572-69-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/1960-55-0x0000000008C00000-0x0000000008DA8000-memory.dmp

Download

memory/1960-58-0x0000000005070000-0x00000000050B2000-memory.dmp

Download

memory/1960-54-0x0000000000BD0000-0x0000000000C06000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads