agenttesla | 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872

General

Target

527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
Size

1.1MB
MD5

cdb9b4f4ed7d8dccb32ce06504e602ac
SHA1

2457d885e21e903b9429b83269e7a0256556a835
SHA256

527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872
SHA512

1a2c2c81197563b0ecf6f98517ba255262f37d53eebde1ef98acda7e1da1bcd1ba1bd7560a75a27e0cfb8bf51ada31bc1c939a93df3d45bdcd0c3ee9070f92ff
SSDEEP

24576:7ZDbNjDaC9cAUzgNnDVU6dQ9Xcdrx3jtW:7HjDZWAnhU6dzda

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicalhome.com.pe
Port:
587
Username:
[email protected]
Password:
MHinfo01
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

Processes:

resource	yara_rule
behavioral1/memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2908-10-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

Processes:

resource	yara_rule
behavioral1/memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2908-10-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2908-10-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

Processes:

resource	yara_rule
behavioral1/memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2908-10-0x0000000000400000-0x0000000000476000-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

Processes:

resource	yara_rule
behavioral1/memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2908-10-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

Processes:

resource	yara_rule
behavioral1/memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2908-10-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

Processes:

resource	yara_rule
behavioral1/memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2908-10-0x0000000000400000-0x0000000000476000-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

Processes:

527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\GrOcCQC = "C:\\Users\\Admin\\AppData\\Roaming\\GrOcCQC\\GrOcCQC.exe"	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

description	pid	process	target process
PID 2264 set thread context of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

pid	process
2908	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
2908	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

description pid process

Token: SeDebugPrivilege 2908 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

description	pid	process
Token: SeDebugPrivilege	2908	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

description	pid	process	target process
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
PID 2264 wrote to memory of 2908	2264	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe	527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe

C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
"C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
  "C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2908

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/2264-0-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/2264-1-0x0000000000FC0000-0x00000000010E2000-memory.dmp

Filesize
1.1MB

Download
memory/2264-2-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2264-3-0x0000000000510000-0x000000000052A000-memory.dmp

Filesize
104KB

Download
memory/2264-4-0x0000000000390000-0x00000000003A0000-memory.dmp

Filesize
64KB

Download
memory/2264-5-0x0000000005530000-0x00000000055E8000-memory.dmp

Filesize
736KB

Download
memory/2264-22-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-16-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2908-18-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2908-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-12-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2908-20-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2908-10-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2908-8-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2908-21-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-23-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-7-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2908-26-0x0000000074200000-0x00000000748EE000-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