agenttesla | 487a65a744364c95696bf450fe78819afac41980fb6a106231f84aa0835aa5f2

Analysis

max time kernel
121s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 17:36

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General

Target

PO#98540-00.exe
Size

701KB
MD5

fe46e2fc578c6f8788cba694e64c71fa
SHA1

5962ff7fb535fd8435dc4bf4f1abe1a70e731801
SHA256

487a65a744364c95696bf450fe78819afac41980fb6a106231f84aa0835aa5f2
SHA512

0392998bfc22b0c62e64de62d5ead1f5ae2d3e40b050ea2c44ce0bcd98eabe3d7044d99c63473ede5b595fa0f2df189a603430c4dc40a844789e3ba8590111de
SSDEEP

12288:ePWa+Axv0f/nkXFwy0X+LtYKnrX0gw4ta6iGqHw1UwnRWlo/SX3sh+35JkH:jA8kXUX8Xr0gwgZRwGSnsukH

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
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
2444	powershell.exe
4416	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	PO#98540-00.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3984 set thread context of 3604	3984	PO#98540-00.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO#98540-00.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
1696	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3984	PO#98540-00.exe
2444	powershell.exe
3984	PO#98540-00.exe
4416	powershell.exe
3604	RegSvcs.exe
3604	RegSvcs.exe
2444	powershell.exe
4416	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3984	PO#98540-00.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	4416	powershell.exe
Token: SeDebugPrivilege	3604	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3604	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 2444	3984	PO#98540-00.exe	92
PID 3984 wrote to memory of 2444	3984	PO#98540-00.exe	92
PID 3984 wrote to memory of 2444	3984	PO#98540-00.exe	92
PID 3984 wrote to memory of 4416	3984	PO#98540-00.exe	94
PID 3984 wrote to memory of 4416	3984	PO#98540-00.exe	94
PID 3984 wrote to memory of 4416	3984	PO#98540-00.exe	94
PID 3984 wrote to memory of 1696	3984	PO#98540-00.exe	95
PID 3984 wrote to memory of 1696	3984	PO#98540-00.exe	95
PID 3984 wrote to memory of 1696	3984	PO#98540-00.exe	95
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99
PID 3984 wrote to memory of 3604	3984	PO#98540-00.exe	99

C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe
"C:\Users\Admin\AppData\Local\Temp\PO#98540-00.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:3984
- 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#98540-00.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JRkgWFF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4416
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JRkgWFF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC4C7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1696
- 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
  - Suspicious use of SetWindowsHookEx
  PID:3604

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

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
d2a69a90deab590b7d6a0f94dc38fc9e

SHA1
f9361a1e25381fbe784cf5a615c5770fe50753bf

SHA256
629f0111a67ca09cc2c12789b269a5ec5e5aab7628eceb499c825e269c94da32

SHA512
08d93eac08ed3186ec693082d425994508d2ed7748340f18d16ce8ea6ccc257f793ddb33c2e9a791f22942f6158d110d5dbb3c10c07057608b4210b0bdb657f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0in51dar.4ds.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC4C7.tmp

Filesize
1KB

MD5
f8320a7d532039c7287b4cef0fee0b8a

SHA1
c18c80aa39fca5fb1328eab93c57975478cf8174

SHA256
e1f84e2e6c370892b882fd0e557b4fd104cdc72ba90e05dece9adac104c2924a

SHA512
e4c9f35e9eacf0fb64634d8f825dbcdf498f3159e967445fbe53e51e832411247b7f3b980c05120c0fc8a457be75a38799327d2a598718152b77f0bcc2db8a45

Download Submit
memory/2444-49-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/2444-51-0x0000000006DA0000-0x0000000006DD2000-memory.dmp

Filesize
200KB

Download
memory/2444-79-0x0000000007310000-0x0000000007321000-memory.dmp

Filesize
68KB

Download
memory/2444-77-0x0000000007390000-0x0000000007426000-memory.dmp

Filesize
600KB

Download
memory/2444-83-0x0000000007430000-0x0000000007438000-memory.dmp

Filesize
32KB

Download
memory/2444-74-0x0000000007760000-0x0000000007DDA000-memory.dmp

Filesize
6.5MB

Download
memory/2444-52-0x0000000075A70000-0x0000000075ABC000-memory.dmp

Filesize
304KB

Download
memory/2444-15-0x0000000004840000-0x0000000004876000-memory.dmp

Filesize
216KB

Download
memory/2444-16-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2444-17-0x0000000004FA0000-0x00000000055C8000-memory.dmp

Filesize
6.2MB

Download
memory/2444-18-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2444-19-0x0000000004E30000-0x0000000004E52000-memory.dmp

Filesize
136KB

Download
memory/2444-21-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/2444-20-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/2444-73-0x0000000006FE0000-0x0000000007083000-memory.dmp

Filesize
652KB

Download
memory/2444-24-0x0000000005820000-0x0000000005B74000-memory.dmp

Filesize
3.3MB

Download
memory/2444-91-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/2444-63-0x00000000063A0000-0x00000000063BE000-memory.dmp

Filesize
120KB

Download
memory/2444-50-0x0000000005F60000-0x0000000005FAC000-memory.dmp

Filesize
304KB

Download
memory/2444-80-0x0000000007340000-0x000000000734E000-memory.dmp

Filesize
56KB

Download
memory/2444-22-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3604-84-0x0000000006CC0000-0x0000000006D10000-memory.dmp

Filesize
320KB

Download
memory/3604-36-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3984-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/3984-2-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/3984-5-0x00000000051D0000-0x000000000526C000-memory.dmp

Filesize
624KB

Download
memory/3984-1-0x0000000000560000-0x0000000000616000-memory.dmp

Filesize
728KB

Download
memory/3984-39-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3984-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download
memory/3984-9-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3984-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/3984-10-0x0000000002770000-0x00000000027F6000-memory.dmp

Filesize
536KB

Download
memory/3984-8-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/3984-7-0x0000000005390000-0x00000000053AE000-memory.dmp

Filesize
120KB

Download
memory/3984-6-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-37-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-81-0x0000000007A60000-0x0000000007A74000-memory.dmp

Filesize
80KB

Download
memory/4416-82-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/4416-76-0x0000000007890000-0x000000000789A000-memory.dmp

Filesize
40KB

Download
memory/4416-75-0x0000000007820000-0x000000000783A000-memory.dmp

Filesize
104KB

Download
memory/4416-87-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-53-0x0000000075A70000-0x0000000075ABC000-memory.dmp

Filesize
304KB

Download
memory/4416-35-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-30-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download