agenttesla | a980d350e70cc56b6b95e9476f9b87a930a2b102ada18e335ec8eb11fbea05bc

General

Target

Proforma67.exe
Size

705KB
MD5

29d2ced5850992f33389369b7ba52080
SHA1

e9eca5a139d2294a7a34d171a74fc00d82faf37f
SHA256

ad29425198634252a81a5cdcd4a137d542ca3e489d79b5d6fa063a3bb125c2a0
SHA512

82cea6c7b2a93626127398576c222639e3dbaade6dd0b88c359f096bfbcc1df618e64f78207c7b850d9562d03706d2bf7adc343209355c79bede5f88cb2a0fbf
SSDEEP

12288:ag21QtN9waPihL+QXMR+hKJTsyvPzZuyhwRmy4iqFghLb9LtX3t:oovPihqQXMoUFvvQzR2t6bNtn

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.premium-industries.com
Port:
587
Username:
[email protected]
Password:
kstanpmi453846
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma67.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma67.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma67.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2516	2788	Proforma67.exe	35

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2788	Proforma67.exe
2788	Proforma67.exe
2788	Proforma67.exe
2788	Proforma67.exe
2788	Proforma67.exe
2788	Proforma67.exe
2516	Proforma67.exe
2516	Proforma67.exe
2872	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	Proforma67.exe
Token: SeDebugPrivilege	2516	Proforma67.exe
Token: SeDebugPrivilege	2872	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2516	Proforma67.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2872	2788	Proforma67.exe	30
PID 2788 wrote to memory of 2872	2788	Proforma67.exe	30
PID 2788 wrote to memory of 2872	2788	Proforma67.exe	30
PID 2788 wrote to memory of 2872	2788	Proforma67.exe	30
PID 2788 wrote to memory of 2832	2788	Proforma67.exe	32
PID 2788 wrote to memory of 2832	2788	Proforma67.exe	32
PID 2788 wrote to memory of 2832	2788	Proforma67.exe	32
PID 2788 wrote to memory of 2832	2788	Proforma67.exe	32
PID 2788 wrote to memory of 2752	2788	Proforma67.exe	33
PID 2788 wrote to memory of 2752	2788	Proforma67.exe	33
PID 2788 wrote to memory of 2752	2788	Proforma67.exe	33
PID 2788 wrote to memory of 2752	2788	Proforma67.exe	33
PID 2788 wrote to memory of 2672	2788	Proforma67.exe	34
PID 2788 wrote to memory of 2672	2788	Proforma67.exe	34
PID 2788 wrote to memory of 2672	2788	Proforma67.exe	34
PID 2788 wrote to memory of 2672	2788	Proforma67.exe	34
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35
PID 2788 wrote to memory of 2516	2788	Proforma67.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma67.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma67.exe

C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2872
- C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
  "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
  2⤵
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
  "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
  2⤵
  PID:2752
- C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
  "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
  2⤵
  PID:2672
- C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
  "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2516-21-0x0000000000830000-0x0000000000870000-memory.dmp

Filesize
256KB

Download
memory/2516-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2516-29-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-20-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2516-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2516-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2516-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2516-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2516-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2516-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-7-0x0000000005440000-0x00000000054BC000-memory.dmp

Filesize
496KB

Download
memory/2788-1-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-6-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2788-5-0x0000000004930000-0x0000000004970000-memory.dmp

Filesize
256KB

Download
memory/2788-4-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-19-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-3-0x0000000000460000-0x0000000000470000-memory.dmp

Filesize
64KB

Download
memory/2788-0-0x0000000000140000-0x00000000001F6000-memory.dmp

Filesize
728KB

Download
memory/2788-2-0x0000000004930000-0x0000000004970000-memory.dmp

Filesize
256KB

Download
memory/2872-26-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/2872-25-0x000000006F8A0000-0x000000006FE4B000-memory.dmp

Filesize
5.7MB

Download
memory/2872-27-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/2872-28-0x000000006F8A0000-0x000000006FE4B000-memory.dmp

Filesize
5.7MB

Download
memory/2872-24-0x000000006F8A0000-0x000000006FE4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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