agenttesla | 8a8794d42a442da3a12f8424a51685fc7da1b9113452b2a5dd1ef23352b5f0b6

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 06:02

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General

Target
Shipment.exe
Size 1.1MB
Sample241018-grflys1dnd
SHA256 8a8794d42a442da3a12f8424a51685fc7da1b9113452b2a5dd1ef23352b5f0b6
MD5 e925bf9d402fd422e641a4c5ec4e00b0
SHA1 325beed6930b209874f6f2f15ea674bd88a0cc99
SHA512 8ea0106c09723fa6119039ef1d8781bf9cc35adcd34e27646b243e5bfcfd17d2f3d77cf1f11336cd4a0bf3861b5e0cf31060cd888c8c6d34fcfc9817f27e8624
SSDEEP 24576:ffmMv6Ckr7Mny5QLOhHXxyNuqgAKPBzBU+48CNA:f3v+7/5QLOh3EqAKPBzB/d
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.starmech.net
Port
587
Username
[email protected]
Password
nics123
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2980	2084	Shipment.exe	30

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	Shipment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2980	RegSvcs.exe
2980	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2084	Shipment.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2084	Shipment.exe
2084	Shipment.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2084	Shipment.exe
2084	Shipment.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2980	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30
PID 2084 wrote to memory of 2980	2084	Shipment.exe	30

C:\Users\Admin\AppData\Local\Temp\Shipment.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipment.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:2980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2084-2-0x0000000003AA0000-0x0000000003EA0000-memory.dmp

Download

memory/2980-3-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2980-7-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2980-5-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2980-8-0x000000007495E000-0x000000007495F000-memory.dmp

Download

memory/2980-9-0x0000000074950000-0x000000007503E000-memory.dmp

Download

memory/2980-11-0x000000007495E000-0x000000007495F000-memory.dmp

Download

memory/2980-12-0x0000000074950000-0x000000007503E000-memory.dmp

Download