agenttesla | a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de

General

Target

GestorRemesasCONFIRMIMING.exe
Size

691KB
MD5

b7db10ec32fe6f53ee4a76e261761c27
SHA1

283eb987f7ed2bfb1b4fbe413dd58b5ca8f31afd
SHA256

a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de
SHA512

dac0ad887cfb6f0379b1238d23aa42f4462ce093459b4be60478365c8de48ebf2963ca82f9b3cd83c0b7fc5fd1d8ff370a9f9b77017108ea49bf28c046193094
SSDEEP

12288:VSKx504bFYOl2Ez2uwJhCuiZlYvXiCf6sUO7FgoPOXyi:QKw4bfMEzeJhElYfVCgel

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.santonswitchgears.com
Port:
587
Username:
[email protected]
Password:
cJPF@$I3
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
2628	powershell.exe
2716	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

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2288 set thread context of 2740	2288	GestorRemesasCONFIRMIMING.exe	34

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2288	GestorRemesasCONFIRMIMING.exe
2288	GestorRemesasCONFIRMIMING.exe
2740	GestorRemesasCONFIRMIMING.exe
2740	GestorRemesasCONFIRMIMING.exe
2716	powershell.exe
2628	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	GestorRemesasCONFIRMIMING.exe
Token: SeDebugPrivilege	2740	GestorRemesasCONFIRMIMING.exe
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	2628	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2628	2288	GestorRemesasCONFIRMIMING.exe	28
PID 2288 wrote to memory of 2628	2288	GestorRemesasCONFIRMIMING.exe	28
PID 2288 wrote to memory of 2628	2288	GestorRemesasCONFIRMIMING.exe	28
PID 2288 wrote to memory of 2628	2288	GestorRemesasCONFIRMIMING.exe	28
PID 2288 wrote to memory of 2716	2288	GestorRemesasCONFIRMIMING.exe	30
PID 2288 wrote to memory of 2716	2288	GestorRemesasCONFIRMIMING.exe	30
PID 2288 wrote to memory of 2716	2288	GestorRemesasCONFIRMIMING.exe	30
PID 2288 wrote to memory of 2716	2288	GestorRemesasCONFIRMIMING.exe	30
PID 2288 wrote to memory of 2756	2288	GestorRemesasCONFIRMIMING.exe	32
PID 2288 wrote to memory of 2756	2288	GestorRemesasCONFIRMIMING.exe	32
PID 2288 wrote to memory of 2756	2288	GestorRemesasCONFIRMIMING.exe	32
PID 2288 wrote to memory of 2756	2288	GestorRemesasCONFIRMIMING.exe	32
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34
PID 2288 wrote to memory of 2740	2288	GestorRemesasCONFIRMIMING.exe	34

C:\Users\Admin\AppData\Local\Temp\GestorRemesasCONFIRMIMING.exe
"C:\Users\Admin\AppData\Local\Temp\GestorRemesasCONFIRMIMING.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288
- 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\GestorRemesasCONFIRMIMING.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XNYbGrcoFr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XNYbGrcoFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp369A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2756
- C:\Users\Admin\AppData\Local\Temp\GestorRemesasCONFIRMIMING.exe
  "C:\Users\Admin\AppData\Local\Temp\GestorRemesasCONFIRMIMING.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

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\tmp369A.tmp

Filesize
1KB

MD5
58f25850a79c7e3611476be82e047395

SHA1
dc0060e8618a4ac46abd8fafd492520f216d079b

SHA256
9200978414c2fc21222b5fee0aaf02cd5f0874650cca6d7216fdbdc5fe5c71f3

SHA512
78290da3f32bb3bf88539fa8eeb337aa170e314bc8e7815120496122591ac31f8bce2dbc746968005ca4c9f6530783255d3400b46a52720777f8349d1e4887aa

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

Filesize
7KB

MD5
a9f4288cf5758e946eb24f290cfd5072

SHA1
b9240fa4f34767ac575344d1233f3931cabd69d4

SHA256
fd490a62530beb1f3a288745d7e0e16c6ca44cb0e4e91efbcf9aa8f844d3ff5f

SHA512
9718c2e386a30ea79b9e7536223c846dbde0515d369dd10a20a6324063527148621a3755b62797992b3b466ccd58dded788696f77dfb13147b2105afc95f68de

Download Submit
memory/2288-31-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2288-1-0x0000000000E70000-0x0000000000F24000-memory.dmp

Filesize
720KB

Download
memory/2288-2-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2288-3-0x00000000002C0000-0x00000000002DA000-memory.dmp

Filesize
104KB

Download
memory/2288-4-0x0000000000480000-0x0000000000490000-memory.dmp

Filesize
64KB

Download
memory/2288-5-0x0000000005D60000-0x0000000005DE4000-memory.dmp

Filesize
528KB

Download
memory/2288-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2740-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads