agenttesla | e97a53902ccc623ff61147e3b7cb7e9abf77e8a61a401a317891ffaf73a7338a

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 03:58

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General

Target

Confirmacindepagoshrunk.exe
Size

204KB
MD5

5f249a857aa4ec0d7811cbe49b1eac0e
SHA1

9bc2fed4cf1f677c009ba9c0c224e15a07ee8dd4
SHA256

e97a53902ccc623ff61147e3b7cb7e9abf77e8a61a401a317891ffaf73a7338a
SHA512

021890218f651a97b7f2d3a490def666e3a70a55e40355a91ce912eaff80c60728a582128220d8ccc07653d6a131f6bef42892907153b6f25b52ecce22fbfc5c
SSDEEP

1536:SD8LRJrCwGizMmnLU/lmOfsxdPTWQ7ZnbXnD630VD1:SQdJrCwG7Wo/lmOfsxdrWQFXWEVD1

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6828335029:AAHOq6iD_8Eg5u6FhmWF0NHPcKj1jLGtRk4/

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3688 set thread context of 4640	3688	Confirmacindepagoshrunk.exe	82

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	Confirmacindepagoshrunk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	RegAsm.exe
4640	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3688	Confirmacindepagoshrunk.exe
Token: SeDebugPrivilege	4640	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82
PID 3688 wrote to memory of 4640	3688	Confirmacindepagoshrunk.exe	82

C:\Users\Admin\AppData\Local\Temp\Confirmacindepagoshrunk.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmacindepagoshrunk.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3688-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-1-0x0000000000150000-0x0000000000172000-memory.dmp

Filesize
136KB

Download
memory/3688-2-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/3688-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/4640-7-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/4640-6-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4640-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4640-8-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4640-9-0x0000000004F00000-0x0000000004F66000-memory.dmp

Filesize
408KB

Download
memory/4640-10-0x0000000005D70000-0x0000000005DC0000-memory.dmp

Filesize
320KB

Download
memory/4640-11-0x0000000005E60000-0x0000000005EF2000-memory.dmp

Filesize
584KB

Download
memory/4640-12-0x0000000005DF0000-0x0000000005DFA000-memory.dmp

Filesize
40KB

Download
memory/4640-13-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download