agenttesla | 53398258a220177c38d7c2772465b04abf1d5f76f5498bac47fcb4bb8a8497ce

General

Target

Purchase Order~pdf.exe
Size

689KB
MD5

22c37e22bf539c843de4ccc764924f33
SHA1

d557a14aca121b534854bba8b7357bfd91d042c4
SHA256

094f6a9977aca85ca844fdab18035108dda8907b5c7b90416653a573e4e127b7
SHA512

11250880efd045016bf7c7fc74273e7b536ffae455da31d3137734c39cc81f7151dcf3a20ce9a1b8096949e28c88d7c646b25f524ce9d2ad9744ec48342abef1

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mapi.diplemailsrvr.com
Port:
587
Username:
narayana@synpurelabs.com
Password:
Banachi@1974

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral3/memory/1732-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral3/memory/1732-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral3/memory/1732-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral3/memory/1732-64-0x000000000044A6EE-mapping.dmp	family_agenttesla
behavioral3/memory/1732-66-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral3/memory/1732-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Disables RegEdit via registry modification
evasion
Disables Task Manager via registry modification
evasion
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:

Purchase Order~pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order~pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order~pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order~pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order~pdf.exe

description pid process target process

PID 1096 set thread context of 1732 1096 Purchase Order~pdf.exe Purchase Order~pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1320 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

808 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Purchase Order~pdf.exePurchase Order~pdf.exe

pid process

1096 Purchase Order~pdf.exe
1732 Purchase Order~pdf.exe
1732 Purchase Order~pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order~pdf.exePurchase Order~pdf.exe

description pid process

Token: SeDebugPrivilege 1096 Purchase Order~pdf.exe
Token: SeDebugPrivilege 1732 Purchase Order~pdf.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Purchase Order~pdf.exe

pid process

1732 Purchase Order~pdf.exe

description	pid	process	target process
PID 1096 set thread context of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe

pid	process
1320	schtasks.exe

pid	process
808	REG.exe

pid	process
1096	Purchase Order~pdf.exe
1732	Purchase Order~pdf.exe
1732	Purchase Order~pdf.exe

description	pid	process
Token: SeDebugPrivilege	1096	Purchase Order~pdf.exe
Token: SeDebugPrivilege	1732	Purchase Order~pdf.exe

pid	process
1732	Purchase Order~pdf.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

Purchase Order~pdf.exePurchase Order~pdf.exe

description	pid	process	target process
PID 1096 wrote to memory of 1320	1096	Purchase Order~pdf.exe	schtasks.exe
PID 1096 wrote to memory of 1320	1096	Purchase Order~pdf.exe	schtasks.exe
PID 1096 wrote to memory of 1320	1096	Purchase Order~pdf.exe	schtasks.exe
PID 1096 wrote to memory of 1320	1096	Purchase Order~pdf.exe	schtasks.exe
PID 1096 wrote to memory of 1484	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1484	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1484	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1484	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1096 wrote to memory of 1732	1096	Purchase Order~pdf.exe	Purchase Order~pdf.exe
PID 1732 wrote to memory of 808	1732	Purchase Order~pdf.exe	REG.exe
PID 1732 wrote to memory of 808	1732	Purchase Order~pdf.exe	REG.exe
PID 1732 wrote to memory of 808	1732	Purchase Order~pdf.exe	REG.exe
PID 1732 wrote to memory of 808	1732	Purchase Order~pdf.exe	REG.exe
PID 1732 wrote to memory of 468	1732	Purchase Order~pdf.exe	netsh.exe
PID 1732 wrote to memory of 468	1732	Purchase Order~pdf.exe	netsh.exe
PID 1732 wrote to memory of 468	1732	Purchase Order~pdf.exe	netsh.exe
PID 1732 wrote to memory of 468	1732	Purchase Order~pdf.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

Purchase Order~pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order~pdf.exe

outlook_win_path 1 IoCs

Processes:

Purchase Order~pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order~pdf.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order~pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order~pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sQJHHoOl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5FCD.tmp"
2⤵
- Creates scheduled task(s)
PID:1320

C:\Users\Admin\AppData\Local\Temp\Purchase Order~pdf.exe
"{path}"
2⤵
PID:1484

C:\Users\Admin\AppData\Local\Temp\Purchase Order~pdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1732

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:808

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:468

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Temp\tmp5FCD.tmp
Filesize
1KB

MD5
7136c00f24af21b64bfcdf9f0d0bdb17

SHA1
e039ebfd846f69559ad6d9b75dbfa0c42fc022da

SHA256
53247c6921e98a8e89b9d6aeba9555bf5cf18eff77f372ad171077cc09b27669

SHA512
0d026cf5300185a7bad7c4d9178b329b4dc8ba4c587d6162303c4c883a05e4739d2db599b1a94bc524354baee03505702e02cf947d9b0528974f8f77572fce5e

Download Submit
memory/468-72-0x0000000000000000-mapping.dmp

Download
memory/808-71-0x0000000000000000-mapping.dmp

Download
memory/1096-54-0x00000000768D1000-0x00000000768D3000-memory.dmp

Filesize
8KB

Download
memory/1096-55-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/1320-56-0x0000000000000000-mapping.dmp

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memory/1732-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1732-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1732-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1732-64-0x000000000044A6EE-mapping.dmp

Download
memory/1732-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1732-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1732-70-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1732-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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