agenttesla | 0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5

General

Target

0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
Size

722KB
MD5

9e7666352bb7b1b5eaabc1a012c449d7
SHA1

683e7a9f0927f8c28b7dbfe11f61ff2bec846d81
SHA256

0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5
SHA512

0613354ab9add9ad330cb56d8de9c3a64a01a219f003a5874bda087f927a3300f2b01c93987682ff69f9e35f5daa66d155b3c82ad26d9c929212e6073f8db02f
SSDEEP

12288:UaHvjpkDaBs/KL0+QFH6QtyaCKDywIrHAXkrNdkwL2f9B2DXt6:xFTacoFH6mC0NIrHnrNCw6f9B2p6

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
wb16.cpserver.net
Port:
587
Username:
[email protected]
Password:
gumi2015
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/2720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2720-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2720-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2720-19-0x0000000000400000-0x0000000000440000-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/2720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2720-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2720-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2720-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral1/memory/2720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2720-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2720-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2720-19-0x0000000000400000-0x0000000000440000-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/2720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2720-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2720-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2720-19-0x0000000000400000-0x0000000000440000-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/2720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2720-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2720-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2720-19-0x0000000000400000-0x0000000000440000-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/2720-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2720-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2720-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2720-19-0x0000000000400000-0x0000000000440000-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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
2720	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
2720	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
Token: SeDebugPrivilege	2720	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28
PID 2280 wrote to memory of 2720	2280	0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe	28

C:\Users\Admin\AppData\Local\Temp\0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
"C:\Users\Admin\AppData\Local\Temp\0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe
  "C:\Users\Admin\AppData\Local\Temp\0b8bba1fb948adcd670f612cc272f13f023811abd35706758ac967997bb5d0a5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720

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

Loading Replay Monitor...

Downloads

memory/2280-0-0x0000000000E90000-0x0000000000F4A000-memory.dmp

Filesize
744KB

Download
memory/2280-1-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2280-2-0x0000000000E30000-0x0000000000E70000-memory.dmp

Filesize
256KB

Download
memory/2280-3-0x0000000000730000-0x0000000000752000-memory.dmp

Filesize
136KB

Download
memory/2280-4-0x0000000000750000-0x000000000075C000-memory.dmp

Filesize
48KB

Download
memory/2280-5-0x0000000000910000-0x0000000000922000-memory.dmp

Filesize
72KB

Download
memory/2280-6-0x0000000000450000-0x00000000004D2000-memory.dmp

Filesize
520KB

Download
memory/2280-20-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-21-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-22-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-23-0x0000000004B50000-0x0000000004B90000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing