agenttesla | e69231d09aa6338043c6abeefb3fa648cd790c9c22ba97621e16f7ec1653f93b

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2023, 09:19

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General

Target
NKN.exe
Size 856KB
Sample230719-k96smsbd4y
SHA256 e9cb510832b3b160bf13dfc363895802d0febe7b21d290ebfbb9292843996b02
MD5 d872b3aa477b8984d4d5658b9fec9451
SHA1 2532e33f9f14cee8770586b33993b51b8582d2ad
SHA512 b5f414cffdb3fdf1542546f1f4288397c625952115b5e47f9216d6ef240b1a46af263250ddaf42a82977b829b353cb718cc87858c37657724c38eea5ce1bd0a5
SSDEEP 12288:blWmGii2n3EmTk8gMPhElKuxVFGQIut7D2G5JKT5b4j:5rRiitT12nz76x4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.autocraft-qlobal.com
Port
587
Username
[email protected]
Password
bless ing2023
Email to
[email protected]

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-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
34	api.ipify.org
35	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 1756	2060	NKN.exe	95

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2060	NKN.exe
2060	NKN.exe
2060	NKN.exe
1756	RegSvcs.exe
1756	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	NKN.exe
Token: SeDebugPrivilege	1756	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 4588	2060	NKN.exe	94
PID 2060 wrote to memory of 4588	2060	NKN.exe	94
PID 2060 wrote to memory of 4588	2060	NKN.exe	94
PID 2060 wrote to memory of 1756	2060	NKN.exe	95
PID 2060 wrote to memory of 1756	2060	NKN.exe	95
PID 2060 wrote to memory of 1756	2060	NKN.exe	95
PID 2060 wrote to memory of 1756	2060	NKN.exe	95
PID 2060 wrote to memory of 1756	2060	NKN.exe	95
PID 2060 wrote to memory of 1756	2060	NKN.exe	95
PID 2060 wrote to memory of 1756	2060	NKN.exe	95
PID 2060 wrote to memory of 1756	2060	NKN.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\NKN.exe
"C:\Users\Admin\AppData\Local\Temp\NKN.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:4588
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1756-143-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1756-151-0x0000000074660000-0x0000000074E10000-memory.dmp

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memory/1756-150-0x0000000006CE0000-0x0000000006EA2000-memory.dmp

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memory/1756-149-0x0000000006AC0000-0x0000000006B10000-memory.dmp

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memory/1756-148-0x00000000055C0000-0x0000000005626000-memory.dmp

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memory/1756-147-0x00000000055B0000-0x00000000055C0000-memory.dmp

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memory/1756-146-0x0000000074660000-0x0000000074E10000-memory.dmp

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memory/2060-137-0x0000000004CB0000-0x0000000004D42000-memory.dmp

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memory/2060-141-0x0000000074660000-0x0000000074E10000-memory.dmp

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memory/2060-142-0x0000000004E90000-0x0000000004EA0000-memory.dmp

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memory/2060-140-0x0000000004F00000-0x0000000004F56000-memory.dmp

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memory/2060-145-0x0000000074660000-0x0000000074E10000-memory.dmp

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memory/2060-139-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

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memory/2060-138-0x0000000004E90000-0x0000000004EA0000-memory.dmp

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memory/2060-133-0x0000000074660000-0x0000000074E10000-memory.dmp

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memory/2060-136-0x0000000005260000-0x0000000005804000-memory.dmp

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memory/2060-135-0x0000000004BE0000-0x0000000004C7C000-memory.dmp

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memory/2060-134-0x0000000000100000-0x00000000001DC000-memory.dmp

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