agenttesla | d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5

General

Target

d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe
Size

554KB
MD5

58bc73ec78ca87e9fc1b1a39f6b2148c
SHA1

6b7ee6fa1970350afafaccaa5205c3ea68d03868
SHA256

d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5
SHA512

dd9129d77f379b8a29470328fe09dbda4cc55d485ae875d7ffc97fb71fe2d5434e6aee213b34345a346ad46dda8843e4907fee52fe5dea8aed71d8d52c9eeb23
SSDEEP

12288:aT6D4xSSas/isvlcmAfW8FP7r9r/+ppppppppppppppppppppppppppppp0G:aT6D4xSBsZbUT1q

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
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/2204-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2204-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2204-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2204-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2204-6-0x0000000000400000-0x0000000000440000-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/2204-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2204-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2204-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2204-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2204-6-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral1/memory/2204-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2204-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2204-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2204-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2204-6-0x0000000000400000-0x0000000000440000-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/2204-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2204-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2204-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2204-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2204-6-0x0000000000400000-0x0000000000440000-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/2204-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2204-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2204-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2204-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2204-6-0x0000000000400000-0x0000000000440000-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/2204-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2204-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2204-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2204-7-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2204-6-0x0000000000400000-0x0000000000440000-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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2204	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe
2204	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28
PID 1592 wrote to memory of 2204	1592	d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe	28

C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe
"C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe
  "C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2204

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/1592-1-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1592-0-0x00000000011D0000-0x0000000001260000-memory.dmp

Filesize
576KB

Download
memory/1592-2-0x0000000004B50000-0x0000000004B90000-memory.dmp

Filesize
256KB

Download
memory/1592-3-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1592-12-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2204-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2204-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2204-16-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2204-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2204-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2204-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2204-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2204-17-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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