agenttesla | 805d396aaac465a07010d9035a4f6cae6cd911e2f6b7e9ab9586ddb8d60bceca

Analysis

max time kernel
213s
max time network
282s
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
908	powershell.exe
4524	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-1-5-21-3587106988-279496464-3440778474-1000\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 5544 set thread context of 1176	5544	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
5544	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
4936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5544	shipping documents.exe
908	powershell.exe
4524	powershell.exe
5544	shipping documents.exe
4524	powershell.exe
1176	RegSvcs.exe
1176	RegSvcs.exe
908	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5544	shipping documents.exe
Token: SeDebugPrivilege	908	powershell.exe
Token: SeDebugPrivilege	4524	powershell.exe
Token: SeDebugPrivilege	1176	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1176	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5544 wrote to memory of 908	5544	shipping documents.exe	77
PID 5544 wrote to memory of 908	5544	shipping documents.exe	77
PID 5544 wrote to memory of 908	5544	shipping documents.exe	77
PID 5544 wrote to memory of 4524	5544	shipping documents.exe	79
PID 5544 wrote to memory of 4524	5544	shipping documents.exe	79
PID 5544 wrote to memory of 4524	5544	shipping documents.exe	79
PID 5544 wrote to memory of 4936	5544	shipping documents.exe	80
PID 5544 wrote to memory of 4936	5544	shipping documents.exe	80
PID 5544 wrote to memory of 4936	5544	shipping documents.exe	80
PID 5544 wrote to memory of 1176	5544	shipping documents.exe	83
PID 5544 wrote to memory of 1176	5544	shipping documents.exe	83
PID 5544 wrote to memory of 1176	5544	shipping documents.exe	83
PID 5544 wrote to memory of 1176	5544	shipping documents.exe	83
PID 5544 wrote to memory of 1176	5544	shipping documents.exe	83
PID 5544 wrote to memory of 1176	5544	shipping documents.exe	83
PID 5544 wrote to memory of 1176	5544	shipping documents.exe	83
PID 5544 wrote to memory of 1176	5544	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:5544
- 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:908
- 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:4524
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZUARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB8D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4936
- 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:1176

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
d0c46cad6c0778401e21910bd6b56b70

SHA1
7be418951ea96326aca445b8dfe449b2bfa0dca6

SHA256
9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

SHA512
057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

Filesize
18KB

MD5
cd77aa6a67578e7d4d48cb7c98d11f7a

SHA1
90d41a6b72caddb68411b8c7c260ce6cf9c86f2e

SHA256
441f85a4b5a242619454be34d686c1be0f267db2ee169c3dfe0cfefecbe9bbb4

SHA512
8854890fd66034f161cea2459f68138b7532d378e5b2680192760bb05d3f0f048af430b75e3922a681d04843cebf7e78755e2ccc15ab9748eff8e80f8983b9a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_laamvwit.fkr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCB8D.tmp

Filesize
1KB

MD5
0929d7fdf63b48cc19f2607d4c7f5522

SHA1
47dc651bb7a0275c0265305855c403885adce411

SHA256
3aaee56be22e5758b213c90f006d818fd1e8053c096040795afb7d76f8537d75

SHA512
f119137fca5cd6a51bcc7ccd5d8ac80e722ec7f300604c4065dfa7d88c1c00828b94c61f0ad6eb1fad6b44681a50c9166e2a4901ad3e712615cc6fa63375f89c

Download Submit
memory/908-43-0x0000000006380000-0x00000000066D7000-memory.dmp

Filesize
3.3MB

Download
memory/908-63-0x0000000070B90000-0x0000000070BDC000-memory.dmp

Filesize
304KB

Download
memory/908-85-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/908-18-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/908-29-0x0000000006210000-0x0000000006276000-memory.dmp

Filesize
408KB

Download
memory/908-30-0x0000000006280000-0x00000000062E6000-memory.dmp

Filesize
408KB

Download
memory/908-19-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/908-15-0x0000000002F60000-0x0000000002F96000-memory.dmp

Filesize
216KB

Download
memory/908-17-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/908-16-0x0000000005B70000-0x000000000619A000-memory.dmp

Filesize
6.2MB

Download
memory/1176-42-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1176-87-0x0000000006CB0000-0x0000000006D00000-memory.dmp

Filesize
320KB

Download
memory/4524-45-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/4524-77-0x00000000078A0000-0x00000000078BA000-memory.dmp

Filesize
104KB

Download
memory/4524-60-0x0000000007420000-0x00000000074C4000-memory.dmp

Filesize
656KB

Download
memory/4524-23-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/4524-49-0x00000000071C0000-0x00000000071F4000-memory.dmp

Filesize
208KB

Download
memory/4524-84-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/4524-78-0x0000000007890000-0x0000000007898000-memory.dmp

Filesize
32KB

Download
memory/4524-50-0x0000000070B90000-0x0000000070BDC000-memory.dmp

Filesize
304KB

Download
memory/4524-72-0x00000000075D0000-0x00000000075DA000-memory.dmp

Filesize
40KB

Download
memory/4524-21-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/4524-76-0x00000000077A0000-0x00000000077B5000-memory.dmp

Filesize
84KB

Download
memory/4524-47-0x0000000006210000-0x000000000622E000-memory.dmp

Filesize
120KB

Download
memory/4524-48-0x0000000006740000-0x000000000678C000-memory.dmp

Filesize
304KB

Download
memory/4524-75-0x0000000007790000-0x000000000779E000-memory.dmp

Filesize
56KB

Download
memory/4524-74-0x0000000007760000-0x0000000007771000-memory.dmp

Filesize
68KB

Download
memory/4524-22-0x0000000005450000-0x0000000005472000-memory.dmp

Filesize
136KB

Download
memory/4524-59-0x0000000007400000-0x000000000741E000-memory.dmp

Filesize
120KB

Download
memory/4524-61-0x0000000007B90000-0x000000000820A000-memory.dmp

Filesize
6.5MB

Download
memory/4524-62-0x0000000007550000-0x000000000756A000-memory.dmp

Filesize
104KB

Download
memory/4524-73-0x00000000077E0000-0x0000000007876000-memory.dmp

Filesize
600KB

Download
memory/5544-8-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/5544-6-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/5544-46-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/5544-1-0x00000000003F0000-0x00000000004BA000-memory.dmp

Filesize
808KB

Download
memory/5544-4-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/5544-7-0x0000000005250000-0x0000000005276000-memory.dmp

Filesize
152KB

Download
memory/5544-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/5544-2-0x0000000005410000-0x00000000059B6000-memory.dmp

Filesize
5.6MB

Download
memory/5544-5-0x0000000005020000-0x000000000502A000-memory.dmp

Filesize
40KB

Download
memory/5544-9-0x00000000745A0000-0x0000000074D51000-memory.dmp

Filesize
7.7MB

Download
memory/5544-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Filesize
584KB

Download
memory/5544-10-0x0000000000F40000-0x0000000000FC6000-memory.dmp

Filesize
536KB

Download