agenttesla | 99d4ebf8a2c4ce0f48cc6cf084d616240904bccacc130a55ee29fde8aa7bb0ca

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 01:14

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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
4036	powershell.exe
64	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-1-5-21-2392887640-1187051047-2909758433-1000\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-1-5-21-2392887640-1187051047-2909758433-1000\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 3832 set thread context of 4252	3832	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
4036	powershell.exe
64	powershell.exe
3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
4252	RegSvcs.exe
4252	RegSvcs.exe
4036	powershell.exe
64	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe
Token: SeDebugPrivilege	4036	powershell.exe
Token: SeDebugPrivilege	64	powershell.exe
Token: SeDebugPrivilege	4252	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 4036	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	93
PID 3832 wrote to memory of 4036	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	93
PID 3832 wrote to memory of 4036	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	93
PID 3832 wrote to memory of 64	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	95
PID 3832 wrote to memory of 64	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	95
PID 3832 wrote to memory of 64	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	95
PID 3832 wrote to memory of 876	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	97
PID 3832 wrote to memory of 876	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	97
PID 3832 wrote to memory of 876	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	97
PID 3832 wrote to memory of 4252	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3832 wrote to memory of 4252	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3832 wrote to memory of 4252	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3832 wrote to memory of 4252	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3832 wrote to memory of 4252	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3832 wrote to memory of 4252	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3832 wrote to memory of 4252	3832	8b3c86cb96e0bc77cd80fd68892694cd7f3d899462b2398588c9aa4dc9828ae8.exe	99
PID 3832 wrote to memory of 4252	3832	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:3832
- 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:4036
- 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:64
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ltKqhozufGaGUP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA86.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:876
- 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:4252

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

Replay Monitor

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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
b0b83698a968556144eb736ffc9e2479

SHA1
669c2bfbaf06c89030a24044085397045fe9fbdf

SHA256
2522d17fa920cf7d505f72145171c9ab731499fea7a071b29a8abd8c635fd7e8

SHA512
26ca1cd0a51952276bc9c098302aadda96b8e3b82eb07c6594c3d9d9c9c1e108788e94385423f83044f33b6d915a977a67955babaa9665e6edf6626561684a36

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xtngevoa.mml.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBA86.tmp

Filesize
1KB

MD5
ada97f06308e169659f59b5224760001

SHA1
24459e75d1a79bc29eb0a0964e2cb1b6ff99fc11

SHA256
0132bf76f87228caee1f4ae70c176f68a988bad6612dd392ea8083e37d7647e8

SHA512
d000c7b951f68e1f14f2a64f1c9b9980cd79fdb896b174eb3834fc96b739b14d895f8b3cf90838cf79d1ef50e87011a39dde4b968755bc34490303d6de52acdb

Download Submit
memory/64-92-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/64-54-0x0000000075010000-0x000000007505C000-memory.dmp

Filesize
304KB

Download
memory/64-33-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/64-32-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/64-64-0x0000000007440000-0x000000000745E000-memory.dmp

Filesize
120KB

Download
memory/64-71-0x00000000074A0000-0x0000000007543000-memory.dmp

Filesize
652KB

Download
memory/64-22-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/64-53-0x0000000007460000-0x0000000007492000-memory.dmp

Filesize
200KB

Download
memory/3832-6-0x0000000005500000-0x000000000550A000-memory.dmp

Filesize
40KB

Download
memory/3832-7-0x0000000006110000-0x00000000061AC000-memory.dmp

Filesize
624KB

Download
memory/3832-12-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/3832-11-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/3832-10-0x00000000059D0000-0x00000000059E8000-memory.dmp

Filesize
96KB

Download
memory/3832-9-0x0000000005930000-0x0000000005952000-memory.dmp

Filesize
136KB

Download
memory/3832-8-0x0000000005540000-0x0000000005552000-memory.dmp

Filesize
72KB

Download
memory/3832-13-0x0000000006310000-0x0000000006392000-memory.dmp

Filesize
520KB

Download
memory/3832-49-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/3832-5-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/3832-4-0x00000000055D0000-0x0000000005924000-memory.dmp

Filesize
3.3MB

Download
memory/3832-3-0x0000000005460000-0x00000000054F2000-memory.dmp

Filesize
584KB

Download
memory/3832-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/3832-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/3832-1-0x0000000000960000-0x0000000000A2C000-memory.dmp

Filesize
816KB

Download
memory/4036-26-0x0000000005330000-0x0000000005396000-memory.dmp

Filesize
408KB

Download
memory/4036-79-0x0000000007540000-0x00000000075D6000-memory.dmp

Filesize
600KB

Download
memory/4036-50-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

Filesize
120KB

Download
memory/4036-91-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4036-25-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download
memory/4036-23-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4036-65-0x0000000075010000-0x000000007505C000-memory.dmp

Filesize
304KB

Download
memory/4036-21-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4036-76-0x0000000007910000-0x0000000007F8A000-memory.dmp

Filesize
6.5MB

Download
memory/4036-77-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/4036-78-0x0000000007330000-0x000000000733A000-memory.dmp

Filesize
40KB

Download
memory/4036-51-0x0000000005FD0000-0x000000000601C000-memory.dmp

Filesize
304KB

Download
memory/4036-80-0x00000000074C0000-0x00000000074D1000-memory.dmp

Filesize
68KB

Download
memory/4036-81-0x00000000074F0000-0x00000000074FE000-memory.dmp

Filesize
56KB

Download
memory/4036-83-0x0000000007500000-0x0000000007514000-memory.dmp

Filesize
80KB

Download
memory/4036-18-0x0000000002680000-0x00000000026B6000-memory.dmp

Filesize
216KB

Download
memory/4036-84-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/4036-85-0x00000000075E0000-0x00000000075E8000-memory.dmp

Filesize
32KB

Download
memory/4036-20-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/4036-19-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/4252-82-0x0000000005F60000-0x0000000005FB0000-memory.dmp

Filesize
320KB

Download
memory/4252-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download