agenttesla | c4759541d76b82d14c45ac3db5d24d774a8ec1a7264cfd698f145c037bb99979

General

Target

signed invoice.exe
Size

402KB
MD5

6cccf06531cde6e874578efcc012fee9
SHA1

67097ee4eba670c009f6076f88fedf1f6614e77f
SHA256

96352448182bfa2343d852728db64321c0c0ac16077786cdd1210cfe3856d695
SHA512

c502778291dd528a5c6070e976b5eae21c87fc47c2efc7e056b41e15c0e1b1b6da7a78055a37023685dee66dda07ec5b321724a735250cb62b4c5036a0e5b4bd

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
chimez1@mosaiclayouts.com
Password:
1xH}wgu7}f%E

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
chimez1@mosaiclayouts.com
Password:
1xH}wgu7}f%E

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4736-132-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

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

Processes:

signed invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	signed invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	signed invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	signed invoice.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

signed invoice.exe

description pid process target process

PID 2912 set thread context of 4736 2912 signed invoice.exe signed invoice.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

signed invoice.exe

pid process

4736 signed invoice.exe
4736 signed invoice.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

signed invoice.exe

pid process

4736 signed invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

signed invoice.exe

description pid process

Token: SeDebugPrivilege 4736 signed invoice.exe

description	pid	process	target process
PID 2912 set thread context of 4736	2912	signed invoice.exe	signed invoice.exe

pid	process
4736	signed invoice.exe
4736	signed invoice.exe

pid	process
4736	signed invoice.exe

description	pid	process
Token: SeDebugPrivilege	4736	signed invoice.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

signed invoice.exesigned invoice.exe

description	pid	process	target process
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 2912 wrote to memory of 4736	2912	signed invoice.exe	signed invoice.exe
PID 4736 wrote to memory of 2152	4736	signed invoice.exe	netsh.exe
PID 4736 wrote to memory of 2152	4736	signed invoice.exe	netsh.exe
PID 4736 wrote to memory of 2152	4736	signed invoice.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

signed invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	signed invoice.exe

outlook_win_path 1 IoCs

Processes:

signed invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	signed invoice.exe

C:\Users\Admin\AppData\Local\Temp\signed invoice.exe
"C:\Users\Admin\AppData\Local\Temp\signed invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2912

C:\Users\Admin\AppData\Local\Temp\signed invoice.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4736

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2152

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\signed invoice.exe.log
Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
memory/2152-135-0x0000000000000000-mapping.dmp

Download
memory/2912-130-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/4736-131-0x0000000000000000-mapping.dmp

Download
memory/4736-132-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4736-134-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads