agenttesla | 8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 01:56

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General

Target

8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
Size

811KB
MD5

618d7fddd76b843f83d6d4c31839b5e7
SHA1

ef36abd8aab3d7fb3f6e7952eded55f8e250f9bd
SHA256

8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8
SHA512

ee7b04ca41683d5625439456f0c1945d12f2fe566d6a29e8969b901d8c7a490cbf14c6525470771941832db3b3b57c22a9966eaf2b24988106252620532d95b4
SSDEEP

24576:zjj0ywkp58986ZL7WwXjygOj9gLEwaGihzyI5:nwywb986ZnWwGHePaGazB

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.springandsummer.lk
Port:
587
Username:
[email protected]
Password:
anu##323
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
3676	powershell.exe
876	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3736 set thread context of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99

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 5 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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3676	powershell.exe
876	powershell.exe
3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3676	powershell.exe
1040	RegSvcs.exe
1040	RegSvcs.exe
876	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
Token: SeDebugPrivilege	3676	powershell.exe
Token: SeDebugPrivilege	876	powershell.exe
Token: SeDebugPrivilege	1040	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 3676	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	93
PID 3736 wrote to memory of 3676	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	93
PID 3736 wrote to memory of 3676	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	93
PID 3736 wrote to memory of 876	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	95
PID 3736 wrote to memory of 876	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	95
PID 3736 wrote to memory of 876	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	95
PID 3736 wrote to memory of 2144	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	97
PID 3736 wrote to memory of 2144	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	97
PID 3736 wrote to memory of 2144	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	97
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3736 wrote to memory of 1040	3736	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99

C:\Users\Admin\AppData\Local\Temp\8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
"C:\Users\Admin\AppData\Local\Temp\8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3736
- 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\8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3676
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ltKqhozufGaGUP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:876
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ltKqhozufGaGUP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DF3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2144
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
2dd62196dd7f2bbf30024b5b214b2538

SHA1
89b4a09144796d89f4c81413695e72c12ff7d1a4

SHA256
6d3af4ac724d18fc448ab9c3c6c385034b60594ffd737a39443949d886ff8d4d

SHA512
d00b4908614a0f89803a5f810abc9f9b13bc2560c550f8a5ed8fd774be9f3b8e8a44afc5df7462c43d91b8937c501a9d877456a39dd8d4dead7d228b33cf503f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gcr5vwxa.usd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1DF3.tmp

Filesize
1KB

MD5
9dab8d2d125a6e65068e8ca93efc74dc

SHA1
e8ebf8bf87285de81b5f9501f177e7eb1a82b724

SHA256
75d7bd9b1638a48e43d70c0d16ec06d469d2ce590f6f4bfeb8fcc3df3fa7f39d

SHA512
82f0a119249762d4331741f4749b0cb896e1e3ec2bf8b07fd0d90f70be3b814a60f49eb42e13934ab1ee83f91a2c3eb0918c8488177b9d0c40e1eb100f280a2f

Download Submit
memory/876-77-0x0000000006DF0000-0x0000000006E0A000-memory.dmp

Filesize
104KB

Download
memory/876-80-0x0000000007070000-0x0000000007106000-memory.dmp

Filesize
600KB

Download
memory/876-92-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/876-25-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/876-84-0x0000000007130000-0x000000000714A000-memory.dmp

Filesize
104KB

Download
memory/876-82-0x0000000007020000-0x000000000702E000-memory.dmp

Filesize
56KB

Download
memory/876-81-0x0000000006FF0000-0x0000000007001000-memory.dmp

Filesize
68KB

Download
memory/876-51-0x0000000005D00000-0x0000000005D4C000-memory.dmp

Filesize
304KB

Download
memory/876-36-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/876-78-0x0000000006E60000-0x0000000006E6A000-memory.dmp

Filesize
40KB

Download
memory/876-76-0x0000000007430000-0x0000000007AAA000-memory.dmp

Filesize
6.5MB

Download
memory/876-64-0x0000000074D30000-0x0000000074D7C000-memory.dmp

Filesize
304KB

Download
memory/876-50-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

Filesize
120KB

Download
memory/876-37-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1040-79-0x00000000060A0000-0x00000000060F0000-memory.dmp

Filesize
320KB

Download
memory/1040-38-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3676-19-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3676-83-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

Filesize
80KB

Download
memory/3676-24-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3676-85-0x0000000007E80000-0x0000000007E88000-memory.dmp

Filesize
32KB

Download
memory/3676-23-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/3676-21-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3676-22-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/3676-91-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3676-18-0x0000000002F30000-0x0000000002F66000-memory.dmp

Filesize
216KB

Download
memory/3676-75-0x0000000007A10000-0x0000000007AB3000-memory.dmp

Filesize
652KB

Download
memory/3676-20-0x00000000059C0000-0x0000000005FE8000-memory.dmp

Filesize
6.2MB

Download
memory/3676-54-0x0000000074D30000-0x0000000074D7C000-memory.dmp

Filesize
304KB

Download
memory/3676-74-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

Filesize
120KB

Download
memory/3676-53-0x0000000006E10000-0x0000000006E42000-memory.dmp

Filesize
200KB

Download
memory/3736-10-0x0000000005520000-0x0000000005538000-memory.dmp

Filesize
96KB

Download
memory/3736-7-0x0000000005560000-0x00000000055FC000-memory.dmp

Filesize
624KB

Download
memory/3736-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/3736-13-0x0000000006210000-0x0000000006292000-memory.dmp

Filesize
520KB

Download
memory/3736-12-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3736-11-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/3736-4-0x0000000005DB0000-0x0000000006104000-memory.dmp

Filesize
3.3MB

Download
memory/3736-9-0x00000000054F0000-0x0000000005512000-memory.dmp

Filesize
136KB

Download
memory/3736-6-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3736-8-0x0000000005480000-0x0000000005492000-memory.dmp

Filesize
72KB

Download
memory/3736-3-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/3736-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/3736-1-0x00000000007A0000-0x000000000086C000-memory.dmp

Filesize
816KB

Download
memory/3736-49-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3736-5-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download