agenttesla | 09ee7a2fe2c759f4d4f79fe6c278879bd06dc11aa56990f53ff968920f83196c

General

Target

PRE-ADVISE PO 45202549.exe
Size

731KB
MD5

cb95734e59b6b649c53ebae76634a05c
SHA1

2211f611f66a45c94079c99d9e43bf9c1309c498
SHA256

73c5c4b12646631dbf1e8adf10b52b8635b34d02d753d3fe829bd41210f547f0
SHA512

b92e3656eaa0d0de42daf45feb572f387c9cb4163e0657e80dcf51dd85c703c646fd1a751160f7c1149824cf41cf45fd3e08cef9323e3b29006983652a4c7731
SSDEEP

12288:RgsEDqiqyJMEFFYRqXHkgiANPvzB6GLPmgMuJHC9YGvmxa7hyGlvdPR/Ue77P578:Ge5OLFTXHkgiMPl6G7quJim0mcFyGTPm

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
xhcgmrubwdhylrry
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. 5 IoCs

resource	yara_rule
behavioral1/memory/2604-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2604-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

resource	yara_rule
behavioral1/memory/2604-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2604-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

resource	yara_rule
behavioral1/memory/2604-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2604-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2604-19-0x0000000000400000-0x0000000000442000-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 5 IoCs

resource	yara_rule
behavioral1/memory/2604-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2604-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2604-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2604-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2604-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2604-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2604-19-0x0000000000400000-0x0000000000442000-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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\jBpFfg = "C:\\Users\\Admin\\AppData\\Roaming\\jBpFfg\\jBpFfg.exe"	PRE-ADVISE PO 45202549.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 2592 set thread context of 2604	2592	PRE-ADVISE PO 45202549.exe	29

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2592	PRE-ADVISE PO 45202549.exe
2604	PRE-ADVISE PO 45202549.exe
2604	PRE-ADVISE PO 45202549.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2592	PRE-ADVISE PO 45202549.exe
Token: SeDebugPrivilege	2604	PRE-ADVISE PO 45202549.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2560	2592	PRE-ADVISE PO 45202549.exe	28
PID 2592 wrote to memory of 2560	2592	PRE-ADVISE PO 45202549.exe	28
PID 2592 wrote to memory of 2560	2592	PRE-ADVISE PO 45202549.exe	28
PID 2592 wrote to memory of 2560	2592	PRE-ADVISE PO 45202549.exe	28
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29
PID 2592 wrote to memory of 2604	2592	PRE-ADVISE PO 45202549.exe	29

C:\Users\Admin\AppData\Local\Temp\PRE-ADVISE PO 45202549.exe
"C:\Users\Admin\AppData\Local\Temp\PRE-ADVISE PO 45202549.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Users\Admin\AppData\Local\Temp\PRE-ADVISE PO 45202549.exe
  "C:\Users\Admin\AppData\Local\Temp\PRE-ADVISE PO 45202549.exe"
  2⤵
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\PRE-ADVISE PO 45202549.exe
  "C:\Users\Admin\AppData\Local\Temp\PRE-ADVISE PO 45202549.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2604

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

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Downloads

memory/2592-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2592-1-0x0000000000850000-0x000000000090E000-memory.dmp

Filesize
760KB

Download
memory/2592-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2592-3-0x0000000001DB0000-0x0000000001DC6000-memory.dmp

Filesize
88KB

Download
memory/2592-4-0x0000000001EB0000-0x0000000001EBE000-memory.dmp

Filesize
56KB

Download
memory/2592-5-0x0000000001EC0000-0x0000000001ED0000-memory.dmp

Filesize
64KB

Download
memory/2592-6-0x0000000005C80000-0x0000000005D02000-memory.dmp

Filesize
520KB

Download
memory/2592-22-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2604-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2604-20-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2604-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2604-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2604-21-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2604-24-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads