agenttesla | e3a2ec3721224b6cb552f5153b6a87f80a7c99e548b517e79efab2aa1098b17f

General

Target

QUOTE_467654.exe
Size

672KB
MD5

c0e9d65541d7c6768827d42674038baa
SHA1

c536bd03202120389a6ce6230daffcc926429e49
SHA256

e3a2ec3721224b6cb552f5153b6a87f80a7c99e548b517e79efab2aa1098b17f
SHA512

b7dc57f194c80ea264fc361e55249e4f67f259a213382323202036345b16678f2e2c6757c3ecc82a6440f3569a45ab4bb325740a2c83a587ed50abfb57b7f962
SSDEEP

12288:RgA8bQba/kEZ0GrmsyZcWGvzBBT3I68OgaGLpA682RO2wBPVlQ/kR:OIna3pScja9VA/IOFVma

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

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
2748	powershell.exe
3056	powershell.exe

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 2348 set thread context of 2772	2348	QUOTE_467654.exe	37

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	QUOTE_467654.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	QUOTE_467654.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
2056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2348	QUOTE_467654.exe
2348	QUOTE_467654.exe
2348	QUOTE_467654.exe
2348	QUOTE_467654.exe
2348	QUOTE_467654.exe
2348	QUOTE_467654.exe
2348	QUOTE_467654.exe
3056	powershell.exe
2748	powershell.exe
2772	QUOTE_467654.exe
2772	QUOTE_467654.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	QUOTE_467654.exe
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	2748	powershell.exe
Token: SeDebugPrivilege	2772	QUOTE_467654.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2748	2348	QUOTE_467654.exe	31
PID 2348 wrote to memory of 2748	2348	QUOTE_467654.exe	31
PID 2348 wrote to memory of 2748	2348	QUOTE_467654.exe	31
PID 2348 wrote to memory of 2748	2348	QUOTE_467654.exe	31
PID 2348 wrote to memory of 3056	2348	QUOTE_467654.exe	33
PID 2348 wrote to memory of 3056	2348	QUOTE_467654.exe	33
PID 2348 wrote to memory of 3056	2348	QUOTE_467654.exe	33
PID 2348 wrote to memory of 3056	2348	QUOTE_467654.exe	33
PID 2348 wrote to memory of 2056	2348	QUOTE_467654.exe	34
PID 2348 wrote to memory of 2056	2348	QUOTE_467654.exe	34
PID 2348 wrote to memory of 2056	2348	QUOTE_467654.exe	34
PID 2348 wrote to memory of 2056	2348	QUOTE_467654.exe	34
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37
PID 2348 wrote to memory of 2772	2348	QUOTE_467654.exe	37

C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348
- 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\QUOTE_467654.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KdHhUQTRz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3056
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KdHhUQTRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp17A6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2056
- C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp17A6.tmp

Filesize
1KB

MD5
7cc1464476f75831f3e8d07ae4c71d98

SHA1
60caef8609440bca33e04a69a557ebe4daf9e3dc

SHA256
851f6e8d5ab9eda4b952e857de29928119b1451b7d4bdc8e1ee51aae6e6fee7b

SHA512
0f8ea932246ffe64336adf9800c1fdf224fe3ed0fd8aa9995a723625409eb0d85b5ce2f105f7b4ab241eddcfc5ff94f7125e5eaf2b9db0a2e5ae04f7dfc7ddb2

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

Filesize
7KB

MD5
daba94acdc21893688ab3a16f19d15be

SHA1
1dbc8026dd7512971062377f20d60497df0abbd0

SHA256
39c8951b424c3c7ea10b47b5496277ccdc66660c4caed41941d6c465f3fa092a

SHA512
862a36b6093b733e21d0e94fad1a904ab75a4a5c59612eb797fa229af935dde0181f50de0af64acdbc907d3165a295c7e7f7d379a53a14f83eaffca7237e1110

Download Submit
memory/2348-4-0x000000007422E000-0x000000007422F000-memory.dmp

Filesize
4KB

Download
memory/2348-31-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-0-0x000000007422E000-0x000000007422F000-memory.dmp

Filesize
4KB

Download
memory/2348-5-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-6-0x00000000058D0000-0x0000000005954000-memory.dmp

Filesize
528KB

Download
memory/2348-2-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-1-0x0000000001010000-0x00000000010BA000-memory.dmp

Filesize
680KB

Download
memory/2348-3-0x0000000000420000-0x0000000000432000-memory.dmp

Filesize
72KB

Download
memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads