agenttesla | 9928bc779e691c6dc94a0adb34dd18b6905c50bf4b7699c7d878a2421e145c5d

General

Target

Bank Slip.exe
Size

609KB
MD5

23415766fdffe2d1e3df520326e3326c
SHA1

e1d773dbd8164c620b926d1f9bcfde9910840b8b
SHA256

2cf586182f56dcc1131459031b5dca2b6c3037f5c8bc39b70ab226972b5d3d9d
SHA512

2ab7d544257ecacbad91e5185d8e087728d9d3ffda3300458a6f82720743c1eddad3b55bc51f2d8c015dc0cfabab5ff676ebc36612f4187f64f1be0c018061d0

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

Processes:

resource	yara_rule
behavioral2/memory/2132-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2132-125-0x00000000004377AE-mapping.dmp	family_agenttesla
behavioral2/memory/2132-131-0x00000000055F0000-0x0000000005AEE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Bank Slip.exe

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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Bank Slip.exe

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

Processes:

Bank Slip.exe

description pid process target process

PID 1588 set thread context of 2132 1588 Bank Slip.exe Bank Slip.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

356 2132 WerFault.exe Bank Slip.exe

description	pid	process	target process
PID 1588 set thread context of 2132	1588	Bank Slip.exe	Bank Slip.exe

pid	pid_target	process	target process
356	2132	WerFault.exe	Bank Slip.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

Bank Slip.exeWerFault.exe

pid	process
2132	Bank Slip.exe
2132	Bank Slip.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe
356	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Bank Slip.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	2132	Bank Slip.exe
Token: SeRestorePrivilege	356	WerFault.exe
Token: SeBackupPrivilege	356	WerFault.exe
Token: SeDebugPrivilege	356	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Bank Slip.exe

description	pid	process	target process
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe
PID 1588 wrote to memory of 2132	1588	Bank Slip.exe	Bank Slip.exe

outlook_office_path 1 IoCs

Processes:

Bank Slip.exe

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

Processes:

Bank Slip.exe

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:1588

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:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 1332
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:356

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bank Slip.exe.log

MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/1588-122-0x0000000008330000-0x0000000008331000-memory.dmp

Filesize
4KB

Download
memory/1588-118-0x0000000004A50000-0x0000000004A51000-memory.dmp

Filesize
4KB

Download
memory/1588-119-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/1588-120-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/1588-121-0x0000000005090000-0x0000000005096000-memory.dmp

Filesize
24KB

Download
memory/1588-115-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/1588-123-0x0000000008560000-0x00000000085EF000-memory.dmp

Filesize
572KB

Download
memory/1588-117-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/2132-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2132-125-0x00000000004377AE-mapping.dmp

Download
memory/2132-131-0x00000000055F0000-0x0000000005AEE000-memory.dmp

Filesize
5.0MB

Download
memory/2132-132-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

Filesize
4KB

Download
memory/2132-133-0x0000000006290000-0x0000000006291000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads