agenttesla | 5bd009ecc08c72c1d670a8aeaf2b3c4263edb9293465f893dd3768ab3ea0ff24

General

Target

Swift scan.exe
Size

844KB
MD5

2b09b0e829ae8e3baf44ea7597e9d83a
SHA1

23e22129c79e41808ba77bf99a1bf8e77d8e5182
SHA256

167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad
SHA512

82a3e5a413fd985ab0e868fba65312429a5686fa49f91d19ca670bf85988f3548205bd7b6ab69c6f0080555726a83bbc309b57917004c7bb7957f94235da9a4e
SSDEEP

12288:SJx504bFtx504bFWxETdmtCJET9OziEECUBOwHOGnaOjiobasXd37G:gw4bjw4bnpRzMOQbTN7

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
Sages101*
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2924 powershell.exe
2772 powershell.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

pid	process
2924	powershell.exe
2772	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Swift scan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\avdfUcC = "C:\\Users\\Admin\\AppData\\Roaming\\avdfUcC\\avdfUcC.exe"	Swift scan.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2660 schtasks.exe

flow	ioc
2	ip-api.com

pid	process
2660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Swift scan.exepowershell.exepowershell.exe

pid	process
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
2772	powershell.exe
2924	powershell.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe
1232	Swift scan.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Swift scan.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1232 Swift scan.exe
Token: SeDebugPrivilege 2772 powershell.exe
Token: SeDebugPrivilege 2924 powershell.exe

description	pid	process
Token: SeDebugPrivilege	1232	Swift scan.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	2924	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Swift scan.exe

description	pid	process	target process
PID 1232 wrote to memory of 2924	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2924	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2924	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2924	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2772	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2772	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2772	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2772	1232	Swift scan.exe	powershell.exe
PID 1232 wrote to memory of 2660	1232	Swift scan.exe	schtasks.exe
PID 1232 wrote to memory of 2660	1232	Swift scan.exe	schtasks.exe
PID 1232 wrote to memory of 2660	1232	Swift scan.exe	schtasks.exe
PID 1232 wrote to memory of 2660	1232	Swift scan.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Swift scan.exe
"C:\Users\Admin\AppData\Local\Temp\Swift scan.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- 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\Swift scan.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SePSCGQw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SePSCGQw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5199.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5199.tmp

Filesize
1KB

MD5
6d36332b7a7f989b78821cd9b00d7e1d

SHA1
d48e9cd85c17d57bfe899ffde35bb60c2e1f8650

SHA256
2d0a848c9e1f0d489060c0d171b83f7f461d195d1321d53ec3cb929a65b2855c

SHA512
bd5090f0ff5550fbc86f9b692a8849740b2af59baede79de8a3547a69ae2538805033cbf64456abb8207c031c645c0b1d0be560391738eda43ccdee43f391e45

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\M5BYXBVV6B80AL4MMVQB.temp

Filesize
7KB

MD5
fb92e61a8a4e3eeb502e25895adac4c0

SHA1
c6ee09d1e66d7a9b279b88badfa4cb38108ce5b0

SHA256
aaf55ec760101b5dda501965f65d8d3e6d2a86c6b69f1f1b0ce829504141f4f2

SHA512
127492e92f70cff805a6837ee786ebc81c1f86d9ea15f414aacc31082f6f332c969c4742eb167830d9f78f2adae3eb1d2a796def76c0faea6804e01bf14c3c6f

Download Submit
memory/1232-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/1232-1-0x00000000010E0000-0x00000000011B6000-memory.dmp

Filesize
856KB

Download
memory/1232-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/1232-3-0x00000000005E0000-0x00000000005FA000-memory.dmp

Filesize
104KB

Download
memory/1232-4-0x0000000000600000-0x0000000000610000-memory.dmp

Filesize
64KB

Download
memory/1232-5-0x00000000054D0000-0x0000000005554000-memory.dmp

Filesize
528KB

Download
memory/1232-18-0x0000000004810000-0x0000000004852000-memory.dmp

Filesize
264KB

Download
memory/1232-19-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/1232-20-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads