agenttesla | 6f4711dc62ad09f36b8a74d0fda17fa1f77c89b8303e03cd8aae25c20815a34b

General

Target

5BGPfvrz9ZfUpnE.exe
Size

792KB
MD5

88107f9f15e6c876294c444e5311fa65
SHA1

3bc355b833a20460afbd1c9300db6d1fdf668db8
SHA256

6f4711dc62ad09f36b8a74d0fda17fa1f77c89b8303e03cd8aae25c20815a34b
SHA512

c9617e4d4db9336f7a385b39de2525c835348278cc77b7b4734ab1631a14936d53a1f5af69741229800577bb3ea1f6e419b7c56cc970548bdc926af93f14d191
SSDEEP

12288:+ela49q9DJkjbEpFJXgdfEpdYkMDr8z9i7+pvrc4N34ivmUA:+elaSq99kYpF2Ylor8zw6Rrc4N34ie7

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.abhishekzaveri.com
Port:
587
Username:
[email protected]
Password:
Staff@Az@Jz
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5BGPfvrz9ZfUpnE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5BGPfvrz9ZfUpnE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5BGPfvrz9ZfUpnE.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 340 set thread context of 672	340	5BGPfvrz9ZfUpnE.exe	31

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
336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1740	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	672	5BGPfvrz9ZfUpnE.exe
Token: SeDebugPrivilege	1740	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
672	5BGPfvrz9ZfUpnE.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 340 wrote to memory of 1740	340	5BGPfvrz9ZfUpnE.exe	27
PID 340 wrote to memory of 1740	340	5BGPfvrz9ZfUpnE.exe	27
PID 340 wrote to memory of 1740	340	5BGPfvrz9ZfUpnE.exe	27
PID 340 wrote to memory of 1740	340	5BGPfvrz9ZfUpnE.exe	27
PID 340 wrote to memory of 336	340	5BGPfvrz9ZfUpnE.exe	29
PID 340 wrote to memory of 336	340	5BGPfvrz9ZfUpnE.exe	29
PID 340 wrote to memory of 336	340	5BGPfvrz9ZfUpnE.exe	29
PID 340 wrote to memory of 336	340	5BGPfvrz9ZfUpnE.exe	29
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31
PID 340 wrote to memory of 672	340	5BGPfvrz9ZfUpnE.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5BGPfvrz9ZfUpnE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5BGPfvrz9ZfUpnE.exe

C:\Users\Admin\AppData\Local\Temp\5BGPfvrz9ZfUpnE.exe
"C:\Users\Admin\AppData\Local\Temp\5BGPfvrz9ZfUpnE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:340
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BVkJRiVESiIQg.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BVkJRiVESiIQg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F8B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:336
- C:\Users\Admin\AppData\Local\Temp\5BGPfvrz9ZfUpnE.exe
  "C:\Users\Admin\AppData\Local\Temp\5BGPfvrz9ZfUpnE.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9F8B.tmp

Filesize
1KB

MD5
bef726df90e9ab7cb084061ef447d079

SHA1
465b7969e337853fcfe9f6ca33092baf2f96522b

SHA256
f63de624257670143ca0525eb89a12498d8143ae64c6f1c41773332e8652ec2f

SHA512
c9774068c0c26cb269589f9f81c811a2d6d3ae988f9669d4635e79c75ede1e266a12d90e528bc38fdbb5e00535a60f007f979358aec73450befd27081a934bfe

Download Submit
memory/340-63-0x0000000004380000-0x00000000043B0000-memory.dmp

Filesize
192KB

Download
memory/340-54-0x0000000000D20000-0x0000000000DEA000-memory.dmp

Filesize
808KB

Download
memory/340-58-0x0000000007CA0000-0x0000000007D0A000-memory.dmp

Filesize
424KB

Download
memory/340-57-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/340-56-0x0000000000540000-0x0000000000554000-memory.dmp

Filesize
80KB

Download
memory/340-55-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/672-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/672-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/672-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/672-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/672-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/672-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/672-74-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1740-76-0x000000006E410000-0x000000006E9BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads