agenttesla | d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2

General

Target

d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe
Size

740KB
MD5

ab176d9ff89425626d8177b7372c9e12
SHA1

c6a1d7b44ca6d4cf5691fde872ffe05113707da3
SHA256

d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2
SHA512

c487f55a59a667ca91ca2a2508b4a488110157e65064cbe4ed3c1e8c0ddc74b79672de74ae85f5ef532d1ca402416d62107c6d1130e6d2dfb0497da0a012ef6e
SSDEEP

12288:6pahc53EubfeqaD7lt8SeUGE7beceokZb3vPkQigpI7jJbq7:6Z3EEyIUGkCgqr7

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
tssveohxktcpzhdm
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/2172-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2172-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2172-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2172-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000440000-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/2172-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2172-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2172-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2172-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral1/memory/2172-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2172-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2172-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2172-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000440000-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/2172-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2172-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2172-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2172-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000440000-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/2172-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2172-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2172-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2172-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000440000-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/2172-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2172-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2172-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2172-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000440000-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

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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2172	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe
2172	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2172	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28
PID 2344 wrote to memory of 2172	2344	d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe	28

C:\Users\Admin\AppData\Local\Temp\d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe
"C:\Users\Admin\AppData\Local\Temp\d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Users\Admin\AppData\Local\Temp\d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe
  "C:\Users\Admin\AppData\Local\Temp\d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/2172-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2172-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2172-18-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-17-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2172-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2172-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2172-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2172-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2172-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2344-1-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-13-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-0-0x0000000000BA0000-0x0000000000C60000-memory.dmp

Filesize
768KB

Download
memory/2344-4-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/2344-3-0x00000000006A0000-0x000000000070E000-memory.dmp

Filesize
440KB

Download
memory/2344-2-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

Filesize
256KB

Download

Analysis

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