agenttesla | 3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e

General

Target

3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe
Size

1.2MB
MD5

590e0ddfe21156fd0106e3d1fa313bc3
SHA1

8753129596e5a8c52ba93104656c4580aef49902
SHA256

3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e
SHA512

f62b8c0d9c0972353ef3c22290ed9724d9516604aa4e50b7a4762304e23384de01381d033afddae875ca7d2f7411c359b572504ca835ba2580fbbe58160b078d
SSDEEP

24576:WfmMv6Ckr7Mny5Q63xhh7HtqB93t6cdfJar7kiL:W3v+7/5Q63bhxqt6Jf

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
uy,o#mZj8$lY

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
uy,o#mZj8$lY

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
14	api.ipify.org
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 5032	4808	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe	83

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 2 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	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5032	RegSvcs.exe
5032	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4808	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe
4808	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5032	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 5032	4808	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe	83
PID 4808 wrote to memory of 5032	4808	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe	83
PID 4808 wrote to memory of 5032	4808	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe	83
PID 4808 wrote to memory of 5032	4808	3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe	83

C:\Users\Admin\AppData\Local\Temp\3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe
"C:\Users\Admin\AppData\Local\Temp\3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\3611974d2020430b02d33e21aa9c792b3a11757b7ea872742cf0c5e7df69684e.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4808-2-0x0000000004220000-0x0000000004420000-memory.dmp

Filesize
2.0MB

Download
memory/5032-3-0x0000000000570000-0x00000000005B4000-memory.dmp

Filesize
272KB

Download
memory/5032-4-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/5032-5-0x0000000005110000-0x00000000056B4000-memory.dmp

Filesize
5.6MB

Download
memory/5032-6-0x0000000004CF0000-0x0000000004D56000-memory.dmp

Filesize
408KB

Download
memory/5032-7-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5032-10-0x0000000006280000-0x00000000062D0000-memory.dmp

Filesize
320KB

Download
memory/5032-11-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/5032-12-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5032-13-0x00000000063F0000-0x0000000006482000-memory.dmp

Filesize
584KB

Download
memory/5032-14-0x0000000006390000-0x000000000639A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads