agenttesla | 56083bc659229d4e7e5d199b24edce16abfcc1c6bcf0ad7b8836e6a1b2175506

General

Target

Proforma invoice INV2.pdf.exe
Size

62KB
MD5

932e49471158b4c267e2f431a859d99b
SHA1

1ffcdc2a064ae913b69d31310fe9511bc2a90d48
SHA256

56083bc659229d4e7e5d199b24edce16abfcc1c6bcf0ad7b8836e6a1b2175506
SHA512

fc9f3d3be0f1df0c66d5aaf94846bb07088a5667287eb5b672836deb283fa9e7a3618b16688bcfdafd988ac9ec9f76d557ffdedc30d4ed3f348af1d442afc6a5

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1942126187:AAHTp_xwikgZPaBllt0RgKh12M4rEkaLb_o/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/956-73-0x00000000042F0000-0x0000000004326000-memory.dmp	family_agenttesla

Nirsoft 7 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe	Nirsoft

Executes dropped EXE 2 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exe

pid process

636 AdvancedRun.exe
1520 AdvancedRun.exe
Loads dropped DLL 4 IoCs

Processes:

Proforma invoice INV2.pdf.exeAdvancedRun.exe

pid process

956 Proforma invoice INV2.pdf.exe
956 Proforma invoice INV2.pdf.exe
636 AdvancedRun.exe
636 AdvancedRun.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

pid	process
956	Proforma invoice INV2.pdf.exe
956	Proforma invoice INV2.pdf.exe
636	AdvancedRun.exe
636	AdvancedRun.exe

Windows security modification 2 TTPs 8 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

Proforma invoice INV2.pdf.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	Proforma invoice INV2.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	Proforma invoice INV2.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Proforma invoice INV2.pdf.exe = "0"	Proforma invoice INV2.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection	Proforma invoice INV2.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	Proforma invoice INV2.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	Proforma invoice INV2.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	Proforma invoice INV2.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	Proforma invoice INV2.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Proforma invoice INV2.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV2.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV2.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV2.pdf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeProforma invoice INV2.pdf.exepowershell.exe

pid	process
636	AdvancedRun.exe
636	AdvancedRun.exe
1520	AdvancedRun.exe
1520	AdvancedRun.exe
956	Proforma invoice INV2.pdf.exe
956	Proforma invoice INV2.pdf.exe
1656	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Proforma invoice INV2.pdf.exeAdvancedRun.exeAdvancedRun.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	956	Proforma invoice INV2.pdf.exe
Token: SeDebugPrivilege	636	AdvancedRun.exe
Token: SeImpersonatePrivilege	636	AdvancedRun.exe
Token: SeDebugPrivilege	1520	AdvancedRun.exe
Token: SeImpersonatePrivilege	1520	AdvancedRun.exe
Token: SeDebugPrivilege	1656	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Proforma invoice INV2.pdf.exeAdvancedRun.exe

description	pid	process	target process
PID 956 wrote to memory of 636	956	Proforma invoice INV2.pdf.exe	AdvancedRun.exe
PID 956 wrote to memory of 636	956	Proforma invoice INV2.pdf.exe	AdvancedRun.exe
PID 956 wrote to memory of 636	956	Proforma invoice INV2.pdf.exe	AdvancedRun.exe
PID 956 wrote to memory of 636	956	Proforma invoice INV2.pdf.exe	AdvancedRun.exe
PID 636 wrote to memory of 1520	636	AdvancedRun.exe	AdvancedRun.exe
PID 636 wrote to memory of 1520	636	AdvancedRun.exe	AdvancedRun.exe
PID 636 wrote to memory of 1520	636	AdvancedRun.exe	AdvancedRun.exe
PID 636 wrote to memory of 1520	636	AdvancedRun.exe	AdvancedRun.exe
PID 956 wrote to memory of 1656	956	Proforma invoice INV2.pdf.exe	powershell.exe
PID 956 wrote to memory of 1656	956	Proforma invoice INV2.pdf.exe	powershell.exe
PID 956 wrote to memory of 1656	956	Proforma invoice INV2.pdf.exe	powershell.exe
PID 956 wrote to memory of 1656	956	Proforma invoice INV2.pdf.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

Proforma invoice INV2.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV2.pdf.exe

outlook_win_path 1 IoCs

Processes:

Proforma invoice INV2.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV2.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Proforma invoice INV2.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma invoice INV2.pdf.exe"
1⤵
- Loads dropped DLL
- Windows security modification
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:956
- C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe
  "C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:636
- - C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe
    "C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe" /SpecialRun 4101d8 636
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Proforma invoice INV2.pdf.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\35d13f60-2d8d-43e4-9afd-2a84260e4cdb\AdvancedRun.exe

MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/636-62-0x0000000000000000-mapping.dmp

Download
memory/956-73-0x00000000042F0000-0x0000000004326000-memory.dmp

Filesize
216KB

Download
memory/956-58-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/956-57-0x0000000074F21000-0x0000000074F23000-memory.dmp

Filesize
8KB

Download
memory/956-59-0x0000000000540000-0x00000000005C1000-memory.dmp

Filesize
516KB

Download
memory/956-55-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/956-77-0x0000000004CE1000-0x0000000004CE2000-memory.dmp

Filesize
4KB

Download
memory/1520-68-0x0000000000000000-mapping.dmp

Download
memory/1656-74-0x00000000024D0000-0x00000000024D1000-memory.dmp

Filesize
4KB

Download
memory/1656-75-0x00000000024D1000-0x00000000024D2000-memory.dmp

Filesize
4KB

Download
memory/1656-76-0x00000000024D2000-0x00000000024D4000-memory.dmp

Filesize
8KB

Download
memory/1656-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads