agenttesla | 4b8d34bd0e6359981828bd8df963ea5ec84c4a3be7ccf013743cc6f87173f41a

General

Target

CG230511007 double ring.pdf.exe
Size

698KB
MD5

4a2d8f6fac5f95fc384c689d9a5927a2
SHA1

97ad59b9532706d2457eb10f6902b5e2f9442566
SHA256

44c35217277fbfdde4251ac9c9bad106247b6f5ca5ca0f1dbaf8f3343b364af0
SHA512

43d2340d3f49c138b9c0f880617f4f730837c8983fa4a254b16ecbaa5dfef38c1643a657cf04962e9897c56fa561ede9181e3be23d24510e8cf9e186bf77cdd2
SSDEEP

12288:FzjLf30WH0IieBhVpz60zapdl4VOqXEkOdu+VGBecnFj8AzPmZ:djj0yyeb/5+lfk8iFFj8MPm

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
manlikeyou88
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
2928	powershell.exe
2580	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 2572	2668	CG230511007 double ring.pdf.exe	36

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	CG230511007 double ring.pdf.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	CG230511007 double ring.pdf.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
2728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2668	CG230511007 double ring.pdf.exe
2668	CG230511007 double ring.pdf.exe
2572	CG230511007 double ring.pdf.exe
2572	CG230511007 double ring.pdf.exe
2928	powershell.exe
2580	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	CG230511007 double ring.pdf.exe
Token: SeDebugPrivilege	2572	CG230511007 double ring.pdf.exe
Token: SeDebugPrivilege	2928	powershell.exe
Token: SeDebugPrivilege	2580	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2928	2668	CG230511007 double ring.pdf.exe	30
PID 2668 wrote to memory of 2928	2668	CG230511007 double ring.pdf.exe	30
PID 2668 wrote to memory of 2928	2668	CG230511007 double ring.pdf.exe	30
PID 2668 wrote to memory of 2928	2668	CG230511007 double ring.pdf.exe	30
PID 2668 wrote to memory of 2580	2668	CG230511007 double ring.pdf.exe	32
PID 2668 wrote to memory of 2580	2668	CG230511007 double ring.pdf.exe	32
PID 2668 wrote to memory of 2580	2668	CG230511007 double ring.pdf.exe	32
PID 2668 wrote to memory of 2580	2668	CG230511007 double ring.pdf.exe	32
PID 2668 wrote to memory of 2728	2668	CG230511007 double ring.pdf.exe	33
PID 2668 wrote to memory of 2728	2668	CG230511007 double ring.pdf.exe	33
PID 2668 wrote to memory of 2728	2668	CG230511007 double ring.pdf.exe	33
PID 2668 wrote to memory of 2728	2668	CG230511007 double ring.pdf.exe	33
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36
PID 2668 wrote to memory of 2572	2668	CG230511007 double ring.pdf.exe	36

C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.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:2668
- 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\CG230511007 double ring.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjrOWyCGkiBRP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2580
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjrOWyCGkiBRP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp89C9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2572

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

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp89C9.tmp

Filesize
1KB

MD5
67b81b683937a3b56558e11bc3a8eba0

SHA1
5e9ca4ae29e0d25deef1aec4ebdfe68bfa9b6c59

SHA256
02b9dcdbe384508137704e5570ff7db9883e41e9cb06927c50301d2aeda91869

SHA512
a548cd63099bbb83cb26de83799c08ead19469badcaa25f3d3a2310d81a4e083c9c8ab8596f32a837217ad64dbf3146acf853aeabab171d75bd772bc60ae359a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\B0SW84093J19RFO3BPQ1.temp

Filesize
7KB

MD5
c3108ffad1140f3584e4ab9f8495bdbd

SHA1
489fc42df36c8dd4d7fa6be0fe7864e192e05fdd

SHA256
7c56bf6603940ec96c22ff96836ee4609ed9b58f4070c4ab6d3bf567b0d56425

SHA512
55edcaafaa47078715e88ed10b57dab4f477f89d25ea8328a43e9bd79042b8113402d0afcac3cd2c4e20b0b98a3109a7452ceeb16dcd5cd5b49467c82f24f6d3

Download Submit
memory/2572-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-6-0x0000000005CB0000-0x0000000005D32000-memory.dmp

Filesize
520KB

Download
memory/2668-1-0x00000000008C0000-0x0000000000972000-memory.dmp

Filesize
712KB

Download
memory/2668-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2668-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-3-0x0000000000530000-0x0000000000548000-memory.dmp

Filesize
96KB

Download
memory/2668-5-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-4-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2668-32-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads