agenttesla | c30a7855643cbbe0e28216f4cd6e514dcbd7bf83ef75b3e714913fe61bfbf9a6

General

Target

SOA MAY.exe
Size

749KB
MD5

e25710d9677226ae6906c196b940240b
SHA1

91afe48137e3fe0658d931042bc935e3cc7a31dc
SHA256

4945386dd90b6b092bd13414fe19d0a296ce17f0822632a6b6567252f692cef5
SHA512

86f867250db2d0ca959ff1126d02fa48bfef0f2ae1809bec482e6484c5d8a20073e9922322c50d36c566c31bb6b6fcad19357de5b1f0f7e56100d51cc43913f3
SSDEEP

12288:YQdXtfETzvqwVlfEvf3xCotBH1G3Xae8lBti30S/S1jdAuJkR:Zd92zvqwVlfEH3x/VAKe8lBokSa1xAD

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sibasultrasonics.com
Port:
587
Username:
[email protected]
Password:
Ken@321$MD
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

pid	Process
2608	powershell.exe
2676	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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe"	SOA MAY.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 2436 set thread context of 2488	2436	SOA MAY.exe	34

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

pid	Process
2928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2436	SOA MAY.exe
2436	SOA MAY.exe
2488	SOA MAY.exe
2488	SOA MAY.exe
2676	powershell.exe
2608	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	SOA MAY.exe
Token: SeDebugPrivilege	2488	SOA MAY.exe
Token: SeDebugPrivilege	2608	powershell.exe
Token: SeDebugPrivilege	2676	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2488	SOA MAY.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2608	2436	SOA MAY.exe	28
PID 2436 wrote to memory of 2608	2436	SOA MAY.exe	28
PID 2436 wrote to memory of 2608	2436	SOA MAY.exe	28
PID 2436 wrote to memory of 2608	2436	SOA MAY.exe	28
PID 2436 wrote to memory of 2676	2436	SOA MAY.exe	30
PID 2436 wrote to memory of 2676	2436	SOA MAY.exe	30
PID 2436 wrote to memory of 2676	2436	SOA MAY.exe	30
PID 2436 wrote to memory of 2676	2436	SOA MAY.exe	30
PID 2436 wrote to memory of 2928	2436	SOA MAY.exe	32
PID 2436 wrote to memory of 2928	2436	SOA MAY.exe	32
PID 2436 wrote to memory of 2928	2436	SOA MAY.exe	32
PID 2436 wrote to memory of 2928	2436	SOA MAY.exe	32
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34
PID 2436 wrote to memory of 2488	2436	SOA MAY.exe	34

C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe
"C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- 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\SOA MAY.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2608
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kxyfEt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kxyfEt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85A4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2928
- C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2488

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\tmp85A4.tmp

Filesize
1KB

MD5
634909005dfbbecb634bf86c1c3cbb64

SHA1
e9955f745aa7e45751f47e96588bc23b8c199a15

SHA256
254d81f07926f5f363632188b497fb786fc3e7f0c736d7940079a1f08dd7cb2a

SHA512
35670e40230ea7e270e37081bce81463aadde2f535fa105d125b1d060f682d519a63bdd0db5b3704198e7b4061d42764cdebae695ec1292d140318e57201d798

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\OQ2VUBCCP3DFZPTMFXMG.temp

Filesize
7KB

MD5
92e6eb9708ed425ab0eec48cd8073617

SHA1
6cedb283a731460d9b3631a8349b69c740f632eb

SHA256
6f360b778a60f2463aa1097864e56e52bfe23c2fe89faf6c0f875c3538655939

SHA512
8a0e84aa34bc07dbdc96c81d7f4abc5032e3e31ee1cbdcf89ebf0bb8404e3ecadb1c9c9230aecd605a730aa532d08ef52857c24017b4ec14d2055e800d8e17d8

Download Submit
memory/2436-30-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-1-0x0000000000880000-0x000000000093C000-memory.dmp

Filesize
752KB

Download
memory/2436-2-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-3-0x0000000000570000-0x000000000058A000-memory.dmp

Filesize
104KB

Download
memory/2436-4-0x0000000000420000-0x0000000000430000-memory.dmp

Filesize
64KB

Download
memory/2436-5-0x0000000005760000-0x00000000057E4000-memory.dmp

Filesize
528KB

Download
memory/2436-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/2488-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2488-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2488-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2488-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2488-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2488-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2488-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2488-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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