agenttesla | 18c210cbf7f5cb44b48a911fb820439debc1184237f4f19d6ccf375511fe401a

Analysis

max time kernel
34s
max time network
37s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11/05/2023, 19:11

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-3430344531-3702557399-3004411149-1000\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
5	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1212 set thread context of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1464	InstallUtil.exe
1464	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1212	DHL KULI500796821__SCAN DOCUMENT.exe
Token: SeDebugPrivilege	1464	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1464	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28
PID 1212 wrote to memory of 1464	1212	DHL KULI500796821__SCAN DOCUMENT.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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:1212
- 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:1464

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1212-54-0x0000000000030000-0x000000000009E000-memory.dmp

Download

memory/1212-55-0x00000000047F0000-0x0000000004830000-memory.dmp

Download

memory/1212-56-0x0000000005790000-0x000000000584E000-memory.dmp

Download

memory/1212-57-0x0000000000490000-0x00000000004AA000-memory.dmp

Download

memory/1212-58-0x0000000005140000-0x00000000051D2000-memory.dmp

Download

memory/1464-60-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1464-61-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1464-62-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1464-63-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1464-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download

memory/1464-65-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1464-67-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1464-69-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/1464-70-0x0000000000220000-0x0000000000260000-memory.dmp

Download

memory/1464-78-0x0000000000220000-0x0000000000260000-memory.dmp

Download