agenttesla | 89260b07ae5d0858db8a14a8b7cd9e2c1bcd064f5596e7e0cea1665c7f0c496b

General

Target

RH-098765000.exe
Size

745KB
MD5

d744962b80b75ddd26a4f39a8e8d4356
SHA1

185520ceb31c021b5d48440b31b09e7dfe6dac22
SHA256

89260b07ae5d0858db8a14a8b7cd9e2c1bcd064f5596e7e0cea1665c7f0c496b
SHA512

1ffe6dbf3837d847a976d509d119f6bda0b648e8bb1433c2b91efd19fa56ceb8dc33fdf7e0decf9146311ca6d4cb77d0cfa792e77d7820672c8d2f07646d47bb
SSDEEP

12288:4hQu7+JZLQ81xkRbunBjtRbnRIA0FL99PvOPivjJj4OD218zVTAzwndztS:d/JZ37yyBpRbn7i9P2Pivjt4KU8VCq5

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

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 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2992	powershell.exe
2744	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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1916 set thread context of 2676	1916	RH-098765000.exe	38

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RH-098765000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RH-098765000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2176	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1916	RH-098765000.exe
1916	RH-098765000.exe
2676	RH-098765000.exe
2676	RH-098765000.exe
2744	powershell.exe
2992	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	RH-098765000.exe
Token: SeDebugPrivilege	2676	RH-098765000.exe
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2992	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2992	1916	RH-098765000.exe	31
PID 1916 wrote to memory of 2992	1916	RH-098765000.exe	31
PID 1916 wrote to memory of 2992	1916	RH-098765000.exe	31
PID 1916 wrote to memory of 2992	1916	RH-098765000.exe	31
PID 1916 wrote to memory of 2744	1916	RH-098765000.exe	33
PID 1916 wrote to memory of 2744	1916	RH-098765000.exe	33
PID 1916 wrote to memory of 2744	1916	RH-098765000.exe	33
PID 1916 wrote to memory of 2744	1916	RH-098765000.exe	33
PID 1916 wrote to memory of 2176	1916	RH-098765000.exe	34
PID 1916 wrote to memory of 2176	1916	RH-098765000.exe	34
PID 1916 wrote to memory of 2176	1916	RH-098765000.exe	34
PID 1916 wrote to memory of 2176	1916	RH-098765000.exe	34
PID 1916 wrote to memory of 2644	1916	RH-098765000.exe	37
PID 1916 wrote to memory of 2644	1916	RH-098765000.exe	37
PID 1916 wrote to memory of 2644	1916	RH-098765000.exe	37
PID 1916 wrote to memory of 2644	1916	RH-098765000.exe	37
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38
PID 1916 wrote to memory of 2676	1916	RH-098765000.exe	38

C:\Users\Admin\AppData\Local\Temp\RH-098765000.exe
"C:\Users\Admin\AppData\Local\Temp\RH-098765000.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916
- 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\RH-098765000.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YUNDEs.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YUNDEs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE2A2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2176
- C:\Users\Admin\AppData\Local\Temp\RH-098765000.exe
  "C:\Users\Admin\AppData\Local\Temp\RH-098765000.exe"
  2⤵
  PID:2644
- C:\Users\Admin\AppData\Local\Temp\RH-098765000.exe
  "C:\Users\Admin\AppData\Local\Temp\RH-098765000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE2A2.tmp

Filesize
1KB

MD5
82866ef7a7c5d4fd46cf1182a0a163f8

SHA1
30de3340aedaadeeb9599d925748929edc7e174d

SHA256
7dba39e6e22c8b1757a72943ac4561193acac3adca9b209f71669440c78f4963

SHA512
339402d853f8c5a024fb4c9e666712b230a8209ac075b4d7ac1453addc5e5fa16913f5a39eb1e6429397047826c7fcd02921e016036c0cb8cda5cc59806b100d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
87cd673a828fc27694f4fd28f1c00682

SHA1
2c943df3db164a5c1f984283d68fe995b500a7ce

SHA256
0924be222f05601ed0c73a5a43becf072beb488fc9953dcbe039b004cbbb5b89

SHA512
7dba10d35b52c049c5f440a6375b8acda743226974861c6034884d3eaf0081e9307e9edfa795af9a06426a9d6d92fb65e035afcec4bc3c2304eb9af169bd346f

Download Submit
memory/1916-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/1916-31-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/1916-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-6-0x0000000000500000-0x0000000000586000-memory.dmp

Filesize
536KB

Download
memory/1916-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-1-0x0000000000190000-0x0000000000250000-memory.dmp

Filesize
768KB

Download
memory/1916-3-0x0000000001DE0000-0x0000000001DFE000-memory.dmp

Filesize
120KB

Download
memory/2676-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2676-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads