agenttesla | 2cf586182f56dcc1131459031b5dca2b6c3037f5c8bc39b70ab226972b5d3d9d

General

Target
Bank Slip.exe
Size 609KB
Sample211201-lbcbtaeca6
SHA256 2cf586182f56dcc1131459031b5dca2b6c3037f5c8bc39b70ab226972b5d3d9d
MD5 23415766fdffe2d1e3df520326e3326c
SHA1 e1d773dbd8164c620b926d1f9bcfde9910840b8b
SHA512 2ab7d544257ecacbad91e5185d8e087728d9d3ffda3300458a6f82720743c1eddad3b55bc51f2d8c015dc0cfabab5ff676ebc36612f4187f64f1be0c018061d0
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.waterchem.com.tr
Port
587
Username
[email protected]
Password
Q]b9[cc7kHK&

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/916-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/916-125-0x00000000004377AE-mapping.dmp	family_agenttesla
behavioral2/memory/916-130-0x0000000005540000-0x0000000005A3E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Bank Slip.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Slip.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Slip.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Slip.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 916	2748	Bank Slip.exe	69

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2244	916	WerFault.exe	69

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
916	Bank Slip.exe
916	Bank Slip.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe
2244	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	Bank Slip.exe
Token: SeRestorePrivilege	2244	WerFault.exe
Token: SeBackupPrivilege	2244	WerFault.exe
Token: SeDebugPrivilege	2244	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69
PID 2748 wrote to memory of 916	2748	Bank Slip.exe	69

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Slip.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bank Slip.exe

C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe
  "C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 1500
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/916-124-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/916-132-0x00000000062A0000-0x00000000062A1000-memory.dmp

Download

memory/916-131-0x0000000005750000-0x0000000005751000-memory.dmp

Download

memory/916-130-0x0000000005540000-0x0000000005A3E000-memory.dmp

Download

memory/2748-119-0x0000000005050000-0x000000000554E000-memory.dmp

Download

memory/2748-122-0x0000000008850000-0x0000000008851000-memory.dmp

Download

memory/2748-123-0x0000000008A80000-0x0000000008B0F000-memory.dmp

Download

memory/2748-121-0x00000000053D0000-0x00000000053D6000-memory.dmp

Download

memory/2748-120-0x0000000005020000-0x0000000005021000-memory.dmp

Download

memory/2748-115-0x0000000000550000-0x0000000000551000-memory.dmp

Download

memory/2748-118-0x0000000005050000-0x0000000005051000-memory.dmp

Download

memory/2748-117-0x0000000005550000-0x0000000005551000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads