agenttesla | 37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2

General

Target

37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
Size

715KB
MD5

454a619661e4d2505e3003e06e9da9f7
SHA1

41fe16d9df176730176486c631f9db9048692f22
SHA256

37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2
SHA512

c0f31aac14cd94682d3648c0faccb966566b1311d7678c5c1707e214d61a462dd8666211b6f1ee3d45db0dae0b9ebbb1e63069e6c63b6a2fd72deceaf20a2956
SSDEEP

12288:BiPiCzVYpjabepl80kXPFhZXqBXt0RvVACDN:EdpYyq7kXPFzXqBdcVbDN

Score

10^/10

agenttesla purelogs keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.imperialshipping.co.in
Port:
587
Username:
[email protected]
Password:
RpF!!f)5
Email To:
[email protected]

Signatures

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

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral1/memory/3012-0-0x00000000010C0000-0x0000000001178000-memory.dmp	family_purelogs

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs
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

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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\Twnawta = "C:\\Users\\Admin\\AppData\\Roaming\\Twnawta.exe"	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2960	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
2960	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
Token: SeDebugPrivilege	2960	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28
PID 3012 wrote to memory of 2960	3012	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	28

C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
"C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
  C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2960

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

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2960-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-22-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2960-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-20-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2960-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-23-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/2960-21-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/2960-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2960-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-5-0x0000000000E10000-0x0000000000E50000-memory.dmp

Filesize
256KB

Download
memory/3012-16-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-6-0x0000000000E50000-0x0000000000E9C000-memory.dmp

Filesize
304KB

Download
memory/3012-0-0x00000000010C0000-0x0000000001178000-memory.dmp

Filesize
736KB

Download
memory/3012-1-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-4-0x0000000000B80000-0x0000000000BC0000-memory.dmp

Filesize
256KB

Download
memory/3012-3-0x0000000004A10000-0x0000000004A50000-memory.dmp

Filesize
256KB

Download
memory/3012-2-0x0000000000AC0000-0x0000000000B1A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads