agenttesla | fdaff172523488163e5eeb2452135803ee74a3f69b0b043a6aa6e8af3d2e03b3

General

Target

PXfBQ0n8WFG2Vcw.exe
Size

394KB
MD5

bc9378c3c9b2e4d83b5769ee3e46ead6
SHA1

4d39365b9d6c4b300026b353969325d520949424
SHA256

f2eddde027c81d80d87e113655a5965d2ce36d39e9e6fd2b6c2a054308720690
SHA512

0361c57f942c18ee17d0f412984b43e7e35c437bba1d62a317c16234c818863ea5381c47573d75cec57d983b272edbcef67839393365a54bee9ee138b6daca5a
SSDEEP

6144:OxYAnYxtrZyubC7kRhGhD3wtfCMi7fF60TBjs86QLaGfSZOm+HT3ePGfp6/kJt8Y:OeAYxLbCPA1CModaoaGqZGH7yUDJVh3

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1990818097:AAEwom4DVSnyX5nLZhtvlrvCnmzUsVj23cE/sendDocument

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2848-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2848-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PXfBQ0n8WFG2Vcw.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PXfBQ0n8WFG2Vcw.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PXfBQ0n8WFG2Vcw.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\abobexxx = "C:\\Users\\Admin\\AppData\\Local\\Temp\\abobexxx\\abobexxx.exe"	PXfBQ0n8WFG2Vcw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PXfBQ0n8WFG2Vcw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PXfBQ0n8WFG2Vcw.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2372	PXfBQ0n8WFG2Vcw.exe
2372	PXfBQ0n8WFG2Vcw.exe
2372	PXfBQ0n8WFG2Vcw.exe
2372	PXfBQ0n8WFG2Vcw.exe
2372	PXfBQ0n8WFG2Vcw.exe
2372	PXfBQ0n8WFG2Vcw.exe
2848	PXfBQ0n8WFG2Vcw.exe
2848	PXfBQ0n8WFG2Vcw.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	PXfBQ0n8WFG2Vcw.exe
Token: SeDebugPrivilege	2848	PXfBQ0n8WFG2Vcw.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2372	PXfBQ0n8WFG2Vcw.exe
2372	PXfBQ0n8WFG2Vcw.exe
2848	PXfBQ0n8WFG2Vcw.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31
PID 2372 wrote to memory of 2848	2372	PXfBQ0n8WFG2Vcw.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PXfBQ0n8WFG2Vcw.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PXfBQ0n8WFG2Vcw.exe

C:\Users\Admin\AppData\Local\Temp\PXfBQ0n8WFG2Vcw.exe
"C:\Users\Admin\AppData\Local\Temp\PXfBQ0n8WFG2Vcw.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\PXfBQ0n8WFG2Vcw.exe
  "C:\Users\Admin\AppData\Local\Temp\PXfBQ0n8WFG2Vcw.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2372-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x0000000000C30000-0x0000000000C98000-memory.dmp

Filesize
416KB

Download
memory/2372-2-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-3-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-4-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-5-0x00000000005F0000-0x00000000005FE000-memory.dmp

Filesize
56KB

Download
memory/2372-6-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/2372-7-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-8-0x00000000052C0000-0x0000000005320000-memory.dmp

Filesize
384KB

Download
memory/2372-26-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2848-27-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2848-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-25-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2848-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2848-28-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download
memory/2848-29-0x0000000074D60000-0x000000007544E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads