agenttesla | 18c210cbf7f5cb44b48a911fb820439debc1184237f4f19d6ccf375511fe401a

Analysis

max time kernel
141s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2023, 19:11

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General

Target
DHL KULI500796821__SCAN DOCUMENT.exe
Size 414KB
Sample230511-xvx86sce2x
SHA256 18c210cbf7f5cb44b48a911fb820439debc1184237f4f19d6ccf375511fe401a
MD5 6555453e6af8145b1d5f787677e09912
SHA1 e7af938f4113787d29adbcc27997d0bdd6d99cd6
SHA512 e6291732a55815e7e8bad9ffe74257acf9590b82d82ff0b7e68e9f7c6635fbe940e487a92cb89ec3c7eb260b2f9f53949c3af1fa46acecd7c5a5aef7ac77e418
SSDEEP 3072:eyMdJDaHo4ZeGr3K56KoB6l40Sl63umU:p5UTGAu
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://discordapp.com/api/webhooks/1105867474056003725/DFcrnXzwDlga5TzY0cUAB8pG5fCu4rHvGalu9UT2pCGyBqNAv3NT0usHVDXFE3p6kz3b

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sntufh = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tevlbydcig\\Sntufh.exe\""	DHL KULI500796821__SCAN DOCUMENT.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
20	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2104 set thread context of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4556	InstallUtil.exe
4556	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	DHL KULI500796821__SCAN DOCUMENT.exe
Token: SeDebugPrivilege	4556	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4556	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84
PID 2104 wrote to memory of 4556	2104	DHL KULI500796821__SCAN DOCUMENT.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\DHL KULI500796821__SCAN DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\DHL KULI500796821__SCAN DOCUMENT.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2104-133-0x00000000008F0000-0x000000000095E000-memory.dmp

Download

memory/2104-134-0x0000000005470000-0x0000000005480000-memory.dmp

Download

memory/2104-135-0x0000000007040000-0x0000000007062000-memory.dmp

Download

memory/4556-137-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/4556-139-0x0000000004DF0000-0x0000000005394000-memory.dmp

Download

memory/4556-140-0x0000000004900000-0x0000000004966000-memory.dmp

Download

memory/4556-141-0x00000000048F0000-0x0000000004900000-memory.dmp

Download

memory/4556-142-0x0000000005E00000-0x0000000005E50000-memory.dmp

Download

memory/4556-143-0x0000000006020000-0x00000000061E2000-memory.dmp

Download

memory/4556-144-0x0000000005F70000-0x0000000006002000-memory.dmp

Download

memory/4556-145-0x0000000005F10000-0x0000000005F1A000-memory.dmp

Download

memory/4556-146-0x00000000048F0000-0x0000000004900000-memory.dmp

Download