agenttesla | ecdfd7ad19c37fcfebb876a9c64c47030e6369bd81676df58fa9e7c2ce9e72e3

Analysis

max time kernel
46s
max time network
145s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/02/2023, 17:03

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General

Target
PI.exe
Size 760KB
Sample230221-vknwmsfe88
SHA256 ecdfd7ad19c37fcfebb876a9c64c47030e6369bd81676df58fa9e7c2ce9e72e3
MD5 16590656405e250e6530890981849def
SHA1 6d8b5f11a2358b144c5f22fc5562625b7c18e049
SHA512 f75f6c28e0f321e96648ce81e24b6c6a927959d8164d3d408aafa3d82e670fc51e25aa579522b0a7b05e1f6ff924ae64dd26f5dfd36fcc9cbeb3e0ad24adb906
SSDEEP 12288:8zwlG1wFK2R8wXcPdwb4k9F5FFCrYdu5d+Ind/qwvQ9Zld/5FPAF+awddDXC+yZV:4wlG1wF98wXcPdwb4k9F5FFCrYdu5d+l
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.rapidcheckng.com
Port
587
Username
[email protected]
Password
@Rapidcheckng#
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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 568	1976	PI.exe	29

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
840	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	PI.exe
Token: SeDebugPrivilege	568	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 840	1976	PI.exe	27
PID 1976 wrote to memory of 840	1976	PI.exe	27
PID 1976 wrote to memory of 840	1976	PI.exe	27
PID 1976 wrote to memory of 840	1976	PI.exe	27
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29
PID 1976 wrote to memory of 568	1976	PI.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PI.exe
"C:\Users\Admin\AppData\Local\Temp\PI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sQbCASdFtIlBcG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB7C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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CabDAA9.tmp

Path C:\Users\Admin\AppData\Local\Temp\CabDAA9.tmp
Size 61KB
SHA256 10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b
MD5 fc4666cbca561e864e7fdf883a9e6661
SHA1 2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5
SHA512 c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d
SSDEEP 1536:pvl2gmukMiArbge/oKIxf+Q9yNJLaRCfIElhUuDz:pvl2gmZhpehIxfJsJLawfIElhUu3
MD5 SHA1 SHA512 SSDEEP

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tmpAB7C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpAB7C.tmp
Size 1KB
SHA256 fe9b9397fea29b9bf9bfcf6c9e6864904de15f282a769a663d03cdfa66b268fe
MD5 a8cf2e519e4bb4e2aff2c4d821ebb9b1
SHA1 0c45515428a2fdfd1a686a24538e78bbed6d08e1
SHA512 3dfbf94e195eed2ba5f6536079ae20169cbda0efb441eb273018ba80fb5380cb69736d9469542c96cd4d8a36f3a3a546be626f39dcfbc6a917c5706a27b0f669
MD5 SHA1 SHA512

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memory/568-71-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/568-65-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/568-89-0x0000000004E70000-0x0000000004EB0000-memory.dmp

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memory/568-72-0x0000000004E70000-0x0000000004EB0000-memory.dmp

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memory/568-62-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/568-63-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/568-64-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/568-69-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/568-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/568-67-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1976-54-0x0000000001030000-0x00000000010F4000-memory.dmp

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memory/1976-57-0x0000000004CE0000-0x0000000004D5E000-memory.dmp

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memory/1976-56-0x00000000008E0000-0x00000000008EE000-memory.dmp

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memory/1976-55-0x00000000008F0000-0x0000000000930000-memory.dmp

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memory/1976-58-0x00000000047D0000-0x0000000004800000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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