agenttesla | 6f63c579d6602b9cf683cfe5f24a46db07491ea23703d83ccebff4829fa78227

General

Target

SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe
Size

3.6MB
MD5

62e11691c457a43738b01faca500f688
SHA1

341a62aad64638762a3d43594e3f0e413e369160
SHA256

6f63c579d6602b9cf683cfe5f24a46db07491ea23703d83ccebff4829fa78227
SHA512

3601e50e282c62ecac88e4b3a727df6cbb7447ba9901a36f6515bd949dde53548d27f7566dca73106163792a2daff9a4bbf59f4fc530ee01d0050fe52256f73e
SSDEEP

12288:iFXhF2Gkx9Mjx/6MEFcfuxPVXsUGeovRJ4Y45S2R0JhAICryO8C/8pod7gO5Qz7/:qbom96CQ1ovHD4pKEICrn8AZQz7/

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fasmacopy.gr
Port:
587
Username:
[email protected]
Password:
Fam28sjd
Email To:
[email protected]

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

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 2668 set thread context of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2796	regasm.exe
2796	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2796	regasm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2796	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	31
PID 2668 wrote to memory of 2688	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	32
PID 2668 wrote to memory of 2688	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	32
PID 2668 wrote to memory of 2688	2668	SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe	32

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.3065.20099.26130.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2668
- 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
  - Suspicious use of SetWindowsHookEx
  PID:2796
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2668 -s 620
  2⤵
  PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2668-0-0x000007FEF58B3000-0x000007FEF58B4000-memory.dmp

Filesize
4KB

Download
memory/2668-1-0x0000000001080000-0x00000000010BC000-memory.dmp

Filesize
240KB

Download
memory/2668-2-0x0000000000BC0000-0x0000000000C52000-memory.dmp

Filesize
584KB

Download
memory/2668-3-0x000007FEF58B0000-0x000007FEF629C000-memory.dmp

Filesize
9.9MB

Download
memory/2668-18-0x000007FEF58B0000-0x000007FEF629C000-memory.dmp

Filesize
9.9MB

Download
memory/2796-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2796-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2796-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2796-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2796-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2796-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2796-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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