agenttesla | 458e5bd8e3508c15449bfd4c9931a59cd2a6a95ed9e6bb5b0090aa6641a29c77

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 12:36

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General

Target

Samsung PO 20240920.exe
Size

792KB
MD5

5f573a3c4016eec9eef2c2637c984476
SHA1

eb135221b70205be179f67acab53ab641e158c0a
SHA256

458e5bd8e3508c15449bfd4c9931a59cd2a6a95ed9e6bb5b0090aa6641a29c77
SHA512

32181511455b5a0dd630273a414adf78e8ee9574a2a4449f2f011023ab4e6ea653c96950bd88afe13d1a91809fd97cd14aee77ded16b7742232204592dd2c46f
SSDEEP

12288:nmurGHGAMp6Oul4zXuDVRss2DLaSnkCYR6zJN711xWz/g1HF6CUM:mBGAMkrKz+V2D/nxFpM/gzkM

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
manlikeyou88
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
2264	powershell.exe
784	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	Samsung PO 20240920.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 3168	1644	Samsung PO 20240920.exe	96

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Samsung PO 20240920.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Samsung PO 20240920.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2264	powershell.exe
1644	Samsung PO 20240920.exe
1644	Samsung PO 20240920.exe
784	powershell.exe
3168	Samsung PO 20240920.exe
3168	Samsung PO 20240920.exe
2264	powershell.exe
784	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	powershell.exe
Token: SeDebugPrivilege	1644	Samsung PO 20240920.exe
Token: SeDebugPrivilege	784	powershell.exe
Token: SeDebugPrivilege	3168	Samsung PO 20240920.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2264	1644	Samsung PO 20240920.exe	89
PID 1644 wrote to memory of 2264	1644	Samsung PO 20240920.exe	89
PID 1644 wrote to memory of 2264	1644	Samsung PO 20240920.exe	89
PID 1644 wrote to memory of 784	1644	Samsung PO 20240920.exe	91
PID 1644 wrote to memory of 784	1644	Samsung PO 20240920.exe	91
PID 1644 wrote to memory of 784	1644	Samsung PO 20240920.exe	91
PID 1644 wrote to memory of 452	1644	Samsung PO 20240920.exe	93
PID 1644 wrote to memory of 452	1644	Samsung PO 20240920.exe	93
PID 1644 wrote to memory of 452	1644	Samsung PO 20240920.exe	93
PID 1644 wrote to memory of 4840	1644	Samsung PO 20240920.exe	95
PID 1644 wrote to memory of 4840	1644	Samsung PO 20240920.exe	95
PID 1644 wrote to memory of 4840	1644	Samsung PO 20240920.exe	95
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96
PID 1644 wrote to memory of 3168	1644	Samsung PO 20240920.exe	96

C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe
"C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.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:1644
- 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\Samsung PO 20240920.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2264
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YexeAWuPXGyhPE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:784
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YexeAWuPXGyhPE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0E3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:452
- C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe
  "C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe"
  2⤵
  PID:4840
- C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe
  "C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3168

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

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\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
83bab962b4aba47cea8a4fa3bdeab4b3

SHA1
fe2bf5c10693f82605f8531023f6b8065d145e4a

SHA256
0862f26f8706c921e08259cae19241607033bc2a8a47638eccfc072611cbb607

SHA512
19beb577aeaea1c5b0be7365fc1a3abe00beb0575d4c9430e58af85896e7e4ab02cb3abae9e095ed8ab221b699359379225ef590e32c7e286ad4910d27c97608

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jtkld2tk.pmn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA0E3.tmp

Filesize
1KB

MD5
cf87de74368e3c2efac58eb1630b8646

SHA1
13b08b86297a775cd01e8eb19cb02df6d93fa2e2

SHA256
4f743780b6ebe5c7b23efd1dc6c78e1bc0afcd3a1502b9939c9ccc4449ba569d

SHA512
1363c14249d19f8e9fac2db6851a28f6cd832a84cce2ceb2784b212a30f314f3fb2ced660a2995b88e188ae8efeb8e099afcca9426d18a01ad4cca851be02ef9

Download Submit
memory/784-48-0x0000000005C00000-0x0000000005C1E000-memory.dmp

Filesize
120KB

Download
memory/784-62-0x00000000717A0000-0x00000000717EC000-memory.dmp

Filesize
304KB

Download
memory/784-22-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/784-21-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/784-77-0x0000000007140000-0x0000000007151000-memory.dmp

Filesize
68KB

Download
memory/784-78-0x0000000007170000-0x000000000717E000-memory.dmp

Filesize
56KB

Download
memory/784-84-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/1644-5-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/1644-10-0x00000000091A0000-0x000000000923C000-memory.dmp

Filesize
624KB

Download
memory/1644-9-0x0000000006AF0000-0x0000000006B72000-memory.dmp

Filesize
520KB

Download
memory/1644-8-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/1644-7-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/1644-6-0x0000000005420000-0x0000000005432000-memory.dmp

Filesize
72KB

Download
memory/1644-4-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/1644-3-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/1644-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/1644-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

Filesize
5.6MB

Download
memory/1644-1-0x00000000006E0000-0x00000000007AC000-memory.dmp

Filesize
816KB

Download
memory/1644-38-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2264-73-0x0000000007F60000-0x00000000085DA000-memory.dmp

Filesize
6.5MB

Download
memory/2264-74-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/2264-15-0x0000000002CF0000-0x0000000002D26000-memory.dmp

Filesize
216KB

Download
memory/2264-25-0x0000000005F50000-0x0000000005FB6000-memory.dmp

Filesize
408KB

Download
memory/2264-49-0x0000000006B40000-0x0000000006B8C000-memory.dmp

Filesize
304KB

Download
memory/2264-61-0x0000000006BF0000-0x0000000006C0E000-memory.dmp

Filesize
120KB

Download
memory/2264-51-0x00000000717A0000-0x00000000717EC000-memory.dmp

Filesize
304KB

Download
memory/2264-50-0x00000000075B0000-0x00000000075E2000-memory.dmp

Filesize
200KB

Download
memory/2264-72-0x00000000077F0000-0x0000000007893000-memory.dmp

Filesize
652KB

Download
memory/2264-24-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/2264-23-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download
memory/2264-33-0x0000000005FC0000-0x0000000006314000-memory.dmp

Filesize
3.3MB

Download
memory/2264-75-0x0000000007980000-0x000000000798A000-memory.dmp

Filesize
40KB

Download
memory/2264-76-0x0000000007B90000-0x0000000007C26000-memory.dmp

Filesize
600KB

Download
memory/2264-19-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2264-18-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2264-79-0x0000000007B50000-0x0000000007B64000-memory.dmp

Filesize
80KB

Download
memory/2264-80-0x0000000007C50000-0x0000000007C6A000-memory.dmp

Filesize
104KB

Download
memory/2264-81-0x0000000007C30000-0x0000000007C38000-memory.dmp

Filesize
32KB

Download
memory/2264-16-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2264-89-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2264-17-0x0000000005920000-0x0000000005F48000-memory.dmp

Filesize
6.2MB

Download
memory/3168-85-0x00000000061C0000-0x0000000006210000-memory.dmp

Filesize
320KB

Download
memory/3168-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download