agenttesla | f0695b975e0e13218720fb19aeead0d365d7dc99ac0d32d8b0227a3224cf56f5

Analysis

max time kernel
108s
max time network
110s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
22/04/2025, 06:58

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General

Target

PO - 70155781 pdf.exe
Size

705KB
MD5

6439f75877545c2d01029955439a11f2
SHA1

4cab75ac1a63ff6d955aa0e0af0a3cce293dbea6
SHA256

f0695b975e0e13218720fb19aeead0d365d7dc99ac0d32d8b0227a3224cf56f5
SHA512

1b492ca9ffde7ea46e518689826f5f6205eb271de4478340c36d3fa19c5066920632e4fad45c51009ada743add84c25b38f31f5ec4448e7229af76ba245b85a7
SSDEEP

12288:tMocjzKHoyD9Qu4IZVJ+X97zNqBjl1VFBqhMQlMuDmi0JVbDAt2cO+//05F6i:tMT+H7QGz0vNqBjl1V/GxOLi0JVPAtH2

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
w#chNV#1
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
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
2432	powershell.exe
4636	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
1080	ZUHFqcY.exe
4736	ZUHFqcY.exe

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 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-2627618461-2240074273-3604016983-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	PO - 70155781 pdf.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.

flow	ioc
1	ip-api.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5564 set thread context of 4468	5564	PO - 70155781 pdf.exe	80
PID 1080 set thread context of 4736	1080	ZUHFqcY.exe	87

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO - 70155781 pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO - 70155781 pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZUHFqcY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZUHFqcY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4468	PO - 70155781 pdf.exe
4468	PO - 70155781 pdf.exe
2432	powershell.exe
2432	powershell.exe
4736	ZUHFqcY.exe
4736	ZUHFqcY.exe
4636	powershell.exe
4636	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	PO - 70155781 pdf.exe
Token: SeDebugPrivilege	2432	powershell.exe
Token: SeDebugPrivilege	4736	ZUHFqcY.exe
Token: SeDebugPrivilege	4636	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 5564 wrote to memory of 2432	5564	PO - 70155781 pdf.exe	78
PID 5564 wrote to memory of 2432	5564	PO - 70155781 pdf.exe	78
PID 5564 wrote to memory of 2432	5564	PO - 70155781 pdf.exe	78
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 5564 wrote to memory of 4468	5564	PO - 70155781 pdf.exe	80
PID 1548 wrote to memory of 1080	1548	cmd.exe	84
PID 1548 wrote to memory of 1080	1548	cmd.exe	84
PID 1548 wrote to memory of 1080	1548	cmd.exe	84
PID 1080 wrote to memory of 4636	1080	ZUHFqcY.exe	85
PID 1080 wrote to memory of 4636	1080	ZUHFqcY.exe	85
PID 1080 wrote to memory of 4636	1080	ZUHFqcY.exe	85
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87
PID 1080 wrote to memory of 4736	1080	ZUHFqcY.exe	87

C:\Users\Admin\AppData\Local\Temp\PO - 70155781 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO - 70155781 pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5564
- 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\PO - 70155781 pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2432
- C:\Users\Admin\AppData\Local\Temp\PO - 70155781 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PO - 70155781 pdf.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4468

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\ZUHFqcY\ZUHFqcY.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Roaming\ZUHFqcY\ZUHFqcY.exe
  C:\Users\Admin\AppData\Roaming\ZUHFqcY\ZUHFqcY.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1080
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZUHFqcY\ZUHFqcY.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4636
- - C:\Users\Admin\AppData\Roaming\ZUHFqcY\ZUHFqcY.exe
    "C:\Users\Admin\AppData\Roaming\ZUHFqcY\ZUHFqcY.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4736

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ZUHFqcY.exe.log

Filesize
1KB

MD5
7e1ed0055c3eaa0bbc4a29ec1ef15a6a

SHA1
765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d

SHA256
4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce

SHA512
de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d0c46cad6c0778401e21910bd6b56b70

SHA1
7be418951ea96326aca445b8dfe449b2bfa0dca6

SHA256
9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

SHA512
057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
d82603e2e8e5997f2622a6c702db631c

SHA1
c0ccc8029cb5fd5746b70f4992b07940fc6e32eb

SHA256
dc000d0742d7a66b7c7d071a3bd3e23fdd3af26d6f7fe326adcf7be89691f74d

SHA512
1387cef1f4cedb4d45c3a2789d91ebbbd2694e82942d28d50c3ed1f51ebaa9fefecea8c721dd313fbd26a313769d4ec236259ad4de54cc09e4bc0cc73e50f481

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bds0j1pe.sj0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\ZUHFqcY\ZUHFqcY.exe

Filesize
705KB

MD5
6439f75877545c2d01029955439a11f2

SHA1
4cab75ac1a63ff6d955aa0e0af0a3cce293dbea6

SHA256
f0695b975e0e13218720fb19aeead0d365d7dc99ac0d32d8b0227a3224cf56f5

SHA512
1b492ca9ffde7ea46e518689826f5f6205eb271de4478340c36d3fa19c5066920632e4fad45c51009ada743add84c25b38f31f5ec4448e7229af76ba245b85a7

Download Submit
memory/2432-59-0x00000000078B0000-0x00000000078CA000-memory.dmp

Filesize
104KB

Download
memory/2432-17-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/2432-63-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/2432-60-0x00000000078A0000-0x00000000078A8000-memory.dmp

Filesize
32KB

Download
memory/2432-58-0x00000000077B0000-0x00000000077C5000-memory.dmp

Filesize
84KB

Download
memory/2432-56-0x00000000077A0000-0x00000000077AE000-memory.dmp

Filesize
56KB

Download
memory/2432-51-0x0000000007770000-0x0000000007781000-memory.dmp

Filesize
68KB

Download
memory/2432-50-0x00000000077F0000-0x0000000007886000-memory.dmp

Filesize
600KB

Download
memory/2432-14-0x0000000004D80000-0x0000000004DB6000-memory.dmp

Filesize
216KB

Download
memory/2432-46-0x0000000007420000-0x00000000074C4000-memory.dmp

Filesize
656KB

Download
memory/2432-35-0x00000000071C0000-0x00000000071F4000-memory.dmp

Filesize
208KB

Download
memory/2432-49-0x00000000075E0000-0x00000000075EA000-memory.dmp

Filesize
40KB

Download
memory/2432-18-0x0000000005470000-0x0000000005A9A000-memory.dmp

Filesize
6.2MB

Download
memory/2432-47-0x0000000007BA0000-0x000000000821A000-memory.dmp

Filesize
6.5MB

Download
memory/2432-22-0x0000000005BC0000-0x0000000005C26000-memory.dmp

Filesize
408KB

Download
memory/2432-21-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/2432-20-0x0000000005AA0000-0x0000000005AC2000-memory.dmp

Filesize
136KB

Download
memory/2432-48-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/2432-31-0x0000000005D50000-0x00000000060A7000-memory.dmp

Filesize
3.3MB

Download
memory/2432-32-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/2432-33-0x0000000006220000-0x000000000623E000-memory.dmp

Filesize
120KB

Download
memory/2432-34-0x0000000006660000-0x00000000066AC000-memory.dmp

Filesize
304KB

Download
memory/2432-45-0x0000000007400000-0x000000000741E000-memory.dmp

Filesize
120KB

Download
memory/2432-36-0x0000000070460000-0x00000000704AC000-memory.dmp

Filesize
304KB

Download
memory/4468-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4468-64-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/4468-57-0x0000000006650000-0x00000000066A0000-memory.dmp

Filesize
320KB

Download
memory/4468-19-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/4468-16-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/4468-13-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/4636-81-0x00000000703D0000-0x000000007041C000-memory.dmp

Filesize
304KB

Download
memory/4636-70-0x0000000005F80000-0x00000000062D7000-memory.dmp

Filesize
3.3MB

Download
memory/4636-92-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/4636-91-0x0000000007A60000-0x0000000007A71000-memory.dmp

Filesize
68KB

Download
memory/4636-90-0x0000000007780000-0x0000000007824000-memory.dmp

Filesize
656KB

Download
memory/4636-80-0x0000000006500000-0x000000000654C000-memory.dmp

Filesize
304KB

Download
memory/5564-15-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/5564-0-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/5564-6-0x0000000005690000-0x000000000572C000-memory.dmp

Filesize
624KB

Download
memory/5564-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/5564-2-0x00000000059F0000-0x0000000005F96000-memory.dmp

Filesize
5.6MB

Download
memory/5564-7-0x00000000057C0000-0x00000000057DA000-memory.dmp

Filesize
104KB

Download
memory/5564-1-0x0000000000850000-0x0000000000906000-memory.dmp

Filesize
728KB

Download
memory/5564-4-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/5564-8-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/5564-9-0x0000000074420000-0x0000000074BD1000-memory.dmp

Filesize
7.7MB

Download
memory/5564-5-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/5564-10-0x0000000004E00000-0x0000000004E86000-memory.dmp

Filesize
536KB

Download