agenttesla | 05ab73be8a170396164d6e3166e195c8688d384a3da3b29cd7efd6a4a161286a

General

Target

PO.exe
Size

401KB
MD5

76caa7f585053c3a3d3403e69ad4aa4b
SHA1

ec2672f4254fc9e55a7c31ce7acb7b92d3bcd5f3
SHA256

322a8fbfb5630161686cee31f6508b0005019b81f56a4af95130d7bafaaf328c
SHA512

50aa37ec5ced285affa6e94f19b7d6ad8551370941c227f64743f317752748c1104c0da4e9f7a0f292aff97ea514b333bd3e1a0451e0c91592767cdfba526195
SSDEEP

12288:qgDOJMHfAkPRsOJTbtZZssNlPuLWggTX:qgaSTRsOJTjFhCWgg7

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
jCXzqcP1 daniel 3116

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
jCXzqcP1 daniel 3116
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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 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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe"	PO.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
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 2092	1712	PO.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2092	PO.exe
2092	PO.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	PO.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2092	1712	PO.exe	90
PID 1712 wrote to memory of 2092	1712	PO.exe	90
PID 1712 wrote to memory of 2092	1712	PO.exe	90
PID 1712 wrote to memory of 2092	1712	PO.exe	90
PID 1712 wrote to memory of 2092	1712	PO.exe	90
PID 1712 wrote to memory of 2092	1712	PO.exe	90
PID 1712 wrote to memory of 2092	1712	PO.exe	90
PID 1712 wrote to memory of 2092	1712	PO.exe	90

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\PO.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2092

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

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1712-9-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/1712-0-0x0000000000060000-0x00000000000CA000-memory.dmp

Filesize
424KB

Download
memory/1712-2-0x0000000002550000-0x0000000002560000-memory.dmp

Filesize
64KB

Download
memory/1712-4-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/1712-1-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2092-8-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/2092-7-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download
memory/2092-6-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-5-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2092-11-0x0000000006D70000-0x0000000006DC0000-memory.dmp

Filesize
320KB

Download
memory/2092-12-0x0000000006E60000-0x0000000006EFC000-memory.dmp

Filesize
624KB

Download
memory/2092-13-0x0000000006FA0000-0x0000000007032000-memory.dmp

Filesize
584KB

Download
memory/2092-14-0x0000000006F30000-0x0000000006F3A000-memory.dmp

Filesize
40KB

Download
memory/2092-15-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2092-16-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads