agenttesla | b812a55ff904cbb2d44d5e857e1f55fc6523c702614a95a5a5c597049a120749

Analysis

max time kernel
93s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 11:58

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General

Target

PO-098765678000.exe
Size

764KB
MD5

f9617b77cfa61832aa0db5c8cd8e0357
SHA1

95ca6b88193fad7de1a9693639641f42744136c4
SHA256

e2e31ef953c1dee99b1b6ee23c149b568a76d44531457adb0c89eff648c58a55
SHA512

9958f54f5a1fde6e7f6315395080579277958f2e3416e39908576c8fa0b55c162d1d845da203511070d58a2724f88b343ce475b8c63cf544f7f53712f5c50d92
SSDEEP

12288:qUx5U3TB2nJfk+Cs8uOtcTDA/dS+H1cxhNw7HBKQ0oL85yhl04:qUx8b+CxTwoZcxhNw7HHhz

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.antoniomayol.com
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

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
4772	powershell.exe
3052	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	PO-098765678000.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 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

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
19	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3500 set thread context of 2316	3500	PO-098765678000.exe	93

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-098765678000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-098765678000.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
1928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4772	powershell.exe
3052	powershell.exe
4772	powershell.exe
2316	PO-098765678000.exe
2316	PO-098765678000.exe
3052	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	powershell.exe
Token: SeDebugPrivilege	3052	powershell.exe
Token: SeDebugPrivilege	2316	PO-098765678000.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 4772	3500	PO-098765678000.exe	86
PID 3500 wrote to memory of 4772	3500	PO-098765678000.exe	86
PID 3500 wrote to memory of 4772	3500	PO-098765678000.exe	86
PID 3500 wrote to memory of 3052	3500	PO-098765678000.exe	88
PID 3500 wrote to memory of 3052	3500	PO-098765678000.exe	88
PID 3500 wrote to memory of 3052	3500	PO-098765678000.exe	88
PID 3500 wrote to memory of 1928	3500	PO-098765678000.exe	90
PID 3500 wrote to memory of 1928	3500	PO-098765678000.exe	90
PID 3500 wrote to memory of 1928	3500	PO-098765678000.exe	90
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93
PID 3500 wrote to memory of 2316	3500	PO-098765678000.exe	93

C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe
"C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3500
- 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-098765678000.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4772
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qRDlxtruHIkHC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3052
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qRDlxtruHIkHC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDBD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1928
- C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2316

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
e6442ed508d936bcef3884c9ac4d3cf0

SHA1
dd176c1f1fb654c936d4de0098e11ed8037c9ba0

SHA256
21aa47eae3e39b7d3ea629272596f60c20db47881eb1f1c3af21d56a6b8dd7dc

SHA512
dca01d65a48a0646fd0f9a4deb902f10e72c03a039a9fc55a554b816b49c72b57c6ea3a0d4112809321cb03c4acf8bacafd6349750b9877bf11b55626894b515

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_igrfkhr4.ih1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1KB

MD5
5ea0d5ffe326790e48cb4df886bddbbe

SHA1
bc58ce577de570d6306eebcee3ca899b8ffebff4

SHA256
a5230f66c24ba5999bbcd866532c185755ff1dfeed4f330a2443269330b3fca7

SHA512
4fc5d78269504b676c97c57ab0f4b72bd628e70fd84728f9d6ea617a609ef6d5ba5b02641a75cb97520ff5849579b88e5a7892b114496d648e374c311aadee39

Download Submit
memory/2316-90-0x0000000006AF0000-0x0000000006AFA000-memory.dmp

Filesize
40KB

Download
memory/2316-85-0x0000000006A10000-0x0000000006A60000-memory.dmp

Filesize
320KB

Download
memory/2316-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3052-74-0x00000000078E0000-0x00000000078FA000-memory.dmp

Filesize
104KB

Download
memory/3052-33-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3052-78-0x0000000007B10000-0x0000000007B1E000-memory.dmp

Filesize
56KB

Download
memory/3052-37-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3052-89-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3052-50-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

Filesize
200KB

Download
memory/3052-73-0x0000000007F20000-0x000000000859A000-memory.dmp

Filesize
6.5MB

Download
memory/3052-51-0x00000000728B0000-0x00000000728FC000-memory.dmp

Filesize
304KB

Download
memory/3052-23-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3052-79-0x0000000007B20000-0x0000000007B34000-memory.dmp

Filesize
80KB

Download
memory/3500-9-0x000000000C890000-0x000000000C92C000-memory.dmp

Filesize
624KB

Download
memory/3500-5-0x0000000006EE0000-0x0000000006EFE000-memory.dmp

Filesize
120KB

Download
memory/3500-4-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/3500-2-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3500-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3500-3-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/3500-8-0x0000000002E00000-0x0000000002E84000-memory.dmp

Filesize
528KB

Download
memory/3500-7-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3500-47-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3500-6-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3500-1-0x0000000000AD0000-0x0000000000B94000-memory.dmp

Filesize
784KB

Download
memory/4772-15-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4772-61-0x00000000728B0000-0x00000000728FC000-memory.dmp

Filesize
304KB

Download
memory/4772-71-0x0000000006170000-0x000000000618E000-memory.dmp

Filesize
120KB

Download
memory/4772-49-0x0000000005C40000-0x0000000005C8C000-memory.dmp

Filesize
304KB

Download
memory/4772-72-0x0000000006DD0000-0x0000000006E73000-memory.dmp

Filesize
652KB

Download
memory/4772-48-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

Filesize
120KB

Download
memory/4772-32-0x0000000005590000-0x00000000058E4000-memory.dmp

Filesize
3.3MB

Download
memory/4772-75-0x0000000006F40000-0x0000000006F4A000-memory.dmp

Filesize
40KB

Download
memory/4772-76-0x0000000007150000-0x00000000071E6000-memory.dmp

Filesize
600KB

Download
memory/4772-77-0x00000000070D0000-0x00000000070E1000-memory.dmp

Filesize
68KB

Download
memory/4772-20-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

Filesize
136KB

Download
memory/4772-21-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/4772-80-0x0000000007210000-0x000000000722A000-memory.dmp

Filesize
104KB

Download
memory/4772-81-0x00000000071F0000-0x00000000071F8000-memory.dmp

Filesize
32KB

Download
memory/4772-84-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4772-22-0x0000000005520000-0x0000000005586000-memory.dmp

Filesize
408KB

Download
memory/4772-18-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4772-17-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/4772-16-0x0000000004D10000-0x0000000005338000-memory.dmp

Filesize
6.2MB

Download
memory/4772-14-0x0000000002280000-0x00000000022B6000-memory.dmp

Filesize
216KB

Download