agenttesla | 805d396aaac465a07010d9035a4f6cae6cd911e2f6b7e9ab9586ddb8d60bceca

Analysis

max time kernel
438s
max time network
443s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
21-01-2025 02:53

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General

Target

shipping documents.exe
Size

779KB
MD5

6bb964b13d7d40f9154178dcd5aef0b2
SHA1

d8c1b8b31565af7457ba8e6deb0bd6cb5ed4c6db
SHA256

7abd614a718eae6e0544e6828c834f275248093b5d807b7cc5c4de975dc7abc9
SHA512

7afb160ab3792943c8521c5551d011f19bd9bbaa91f8151b1f4198050ab9179ce5a130c75692d8c43ca4afb9f02b0c2375af20e6638cf0879939478bb77134da
SSDEEP

12288:a8XWXV7OeKYoX1hIlvJnvuejh2iUGxZ37v3BICEQXhGgqkN7HuK:wOeKYFSejhmOrRInOhGEx

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
4820	powershell.exe
3076	powershell.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-1-5-21-4249425805-3408538557-1766626484-1000\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
1	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 564 set thread context of 3684	564	shipping documents.exe	83

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shipping documents.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
564	shipping documents.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
2244	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
564	shipping documents.exe
4820	powershell.exe
3076	powershell.exe
564	shipping documents.exe
3684	RegSvcs.exe
3684	RegSvcs.exe
4820	powershell.exe
3076	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	564	shipping documents.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	3076	powershell.exe
Token: SeDebugPrivilege	3684	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3684	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 4820	564	shipping documents.exe	77
PID 564 wrote to memory of 4820	564	shipping documents.exe	77
PID 564 wrote to memory of 4820	564	shipping documents.exe	77
PID 564 wrote to memory of 3076	564	shipping documents.exe	79
PID 564 wrote to memory of 3076	564	shipping documents.exe	79
PID 564 wrote to memory of 3076	564	shipping documents.exe	79
PID 564 wrote to memory of 2244	564	shipping documents.exe	80
PID 564 wrote to memory of 2244	564	shipping documents.exe	80
PID 564 wrote to memory of 2244	564	shipping documents.exe	80
PID 564 wrote to memory of 3684	564	shipping documents.exe	83
PID 564 wrote to memory of 3684	564	shipping documents.exe	83
PID 564 wrote to memory of 3684	564	shipping documents.exe	83
PID 564 wrote to memory of 3684	564	shipping documents.exe	83
PID 564 wrote to memory of 3684	564	shipping documents.exe	83
PID 564 wrote to memory of 3684	564	shipping documents.exe	83
PID 564 wrote to memory of 3684	564	shipping documents.exe	83
PID 564 wrote to memory of 3684	564	shipping documents.exe	83

C:\Users\Admin\AppData\Local\Temp\shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564
- 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\shipping documents.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4820
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AZUARB.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3076
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZUARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF27E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2244
- 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:3684

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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
ac4917a885cf6050b1a483e4bc4d2ea5

SHA1
b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f

SHA256
e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9

SHA512
092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d

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

Filesize
18KB

MD5
597e91fc8e64bf670d630ed119773464

SHA1
e647bf6bd8182a361da4e2208b3fd1ed29af36f8

SHA256
ea910d33608c6eae9a609d8086226a620afb455de9c47d0a10facc88c063512a

SHA512
8ce3f5e955554e52840c7703bd73f08e6f22ba289935b57efca89b1e7804ea6de94f39523aa25b9afa9fdce8ffad576c9f142c359f13dc184ecce7229e2946c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g1uklg0a.peb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF27E.tmp

Filesize
1KB

MD5
1299fbcecc4349ed5a34a874ca07369d

SHA1
ceb42dbe94d8c7b6afce99f30e5b28cc9777207e

SHA256
0d7eb65f89ca1a05d5bdbbe4041656bbb8fc08ba30b6c0f9d85751731688c26f

SHA512
7e4edf1dc3500e8fafbe9d4cb144153b2c47d1d6795b1bcc55031aeaa6144604977fadafc564574e7d83fe265c5c0322a6ab4b4fd42c69b1cd7b3ccf32cb610b

Download Submit
memory/564-6-0x0000000005810000-0x00000000058AC000-memory.dmp

Filesize
624KB

Download
memory/564-1-0x00000000009E0000-0x0000000000AAA000-memory.dmp

Filesize
808KB

Download
memory/564-4-0x0000000005560000-0x000000000556A000-memory.dmp

Filesize
40KB

Download
memory/564-7-0x0000000005A60000-0x0000000005A86000-memory.dmp

Filesize
152KB

Download
memory/564-8-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/564-9-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/564-10-0x0000000002E10000-0x0000000002E96000-memory.dmp

Filesize
536KB

Download
memory/564-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/564-3-0x00000000055C0000-0x0000000005652000-memory.dmp

Filesize
584KB

Download
memory/564-46-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/564-2-0x0000000005AD0000-0x0000000006076000-memory.dmp

Filesize
5.6MB

Download
memory/564-5-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/3076-79-0x0000000007AD0000-0x0000000007AD8000-memory.dmp

Filesize
32KB

Download
memory/3076-20-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/3076-22-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/3076-23-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/3076-73-0x0000000007A20000-0x0000000007AB6000-memory.dmp

Filesize
600KB

Download
memory/3076-61-0x0000000070AB0000-0x0000000070AFC000-memory.dmp

Filesize
304KB

Download
memory/3076-85-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/3684-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3684-87-0x0000000006D90000-0x0000000006DE0000-memory.dmp

Filesize
320KB

Download
memory/4820-28-0x0000000005E80000-0x00000000061D7000-memory.dmp

Filesize
3.3MB

Download
memory/4820-25-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/4820-47-0x0000000006350000-0x000000000636E000-memory.dmp

Filesize
120KB

Download
memory/4820-48-0x00000000063F0000-0x000000000643C000-memory.dmp

Filesize
304KB

Download
memory/4820-50-0x0000000070AB0000-0x0000000070AFC000-memory.dmp

Filesize
304KB

Download
memory/4820-59-0x00000000072E0000-0x00000000072FE000-memory.dmp

Filesize
120KB

Download
memory/4820-60-0x0000000007340000-0x00000000073E4000-memory.dmp

Filesize
656KB

Download
memory/4820-49-0x0000000007300000-0x0000000007334000-memory.dmp

Filesize
208KB

Download
memory/4820-26-0x0000000005D10000-0x0000000005D76000-memory.dmp

Filesize
408KB

Download
memory/4820-70-0x0000000007CE0000-0x000000000835A000-memory.dmp

Filesize
6.5MB

Download
memory/4820-71-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/4820-72-0x0000000007720000-0x000000000772A000-memory.dmp

Filesize
40KB

Download
memory/4820-24-0x00000000054C0000-0x00000000054E2000-memory.dmp

Filesize
136KB

Download
memory/4820-74-0x00000000078B0000-0x00000000078C1000-memory.dmp

Filesize
68KB

Download
memory/4820-75-0x00000000078E0000-0x00000000078EE000-memory.dmp

Filesize
56KB

Download
memory/4820-76-0x00000000078F0000-0x0000000007905000-memory.dmp

Filesize
84KB

Download
memory/4820-77-0x00000000079F0000-0x0000000007A0A000-memory.dmp

Filesize
104KB

Download
memory/4820-19-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/4820-17-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/4820-86-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/4820-18-0x00000000056E0000-0x0000000005D0A000-memory.dmp

Filesize
6.2MB

Download
memory/4820-16-0x0000000074520000-0x0000000074CD1000-memory.dmp

Filesize
7.7MB

Download
memory/4820-15-0x0000000002B60000-0x0000000002B96000-memory.dmp

Filesize
216KB

Download