agenttesla | 805d396aaac465a07010d9035a4f6cae6cd911e2f6b7e9ab9586ddb8d60bceca

Analysis

max time kernel
440s
max time network
441s
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

AgentTesla/d6da864003f7e52db5c94d1381b7ac890f3dcfae1dfd2dc245e8a18a6590d29a/d6da864003f7e52db5c94d13.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
4976	powershell.exe
1588	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-1-5-21-2253712635-4068079004-3870069674-1000\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 1020 set thread context of 3828	1020	d6da864003f7e52db5c94d13.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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d6da864003f7e52db5c94d13.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
2444	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1020	d6da864003f7e52db5c94d13.exe
1588	powershell.exe
4976	powershell.exe
1020	d6da864003f7e52db5c94d13.exe
3828	RegSvcs.exe
3828	RegSvcs.exe
1588	powershell.exe
4976	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	d6da864003f7e52db5c94d13.exe
Token: SeDebugPrivilege	1588	powershell.exe
Token: SeDebugPrivilege	4976	powershell.exe
Token: SeDebugPrivilege	3828	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3828	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 4976	1020	d6da864003f7e52db5c94d13.exe	77
PID 1020 wrote to memory of 4976	1020	d6da864003f7e52db5c94d13.exe	77
PID 1020 wrote to memory of 4976	1020	d6da864003f7e52db5c94d13.exe	77
PID 1020 wrote to memory of 1588	1020	d6da864003f7e52db5c94d13.exe	79
PID 1020 wrote to memory of 1588	1020	d6da864003f7e52db5c94d13.exe	79
PID 1020 wrote to memory of 1588	1020	d6da864003f7e52db5c94d13.exe	79
PID 1020 wrote to memory of 2444	1020	d6da864003f7e52db5c94d13.exe	80
PID 1020 wrote to memory of 2444	1020	d6da864003f7e52db5c94d13.exe	80
PID 1020 wrote to memory of 2444	1020	d6da864003f7e52db5c94d13.exe	80
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83
PID 1020 wrote to memory of 3828	1020	d6da864003f7e52db5c94d13.exe	83

C:\Users\Admin\AppData\Local\Temp\AgentTesla\d6da864003f7e52db5c94d1381b7ac890f3dcfae1dfd2dc245e8a18a6590d29a\d6da864003f7e52db5c94d13.exe
"C:\Users\Admin\AppData\Local\Temp\AgentTesla\d6da864003f7e52db5c94d1381b7ac890f3dcfae1dfd2dc245e8a18a6590d29a\d6da864003f7e52db5c94d13.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1020
- 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\AgentTesla\d6da864003f7e52db5c94d1381b7ac890f3dcfae1dfd2dc245e8a18a6590d29a\d6da864003f7e52db5c94d13.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4976
- 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:1588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZUARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC95B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2444
- 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:3828

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

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
55c3861f856e35e9798054d390faf302

SHA1
1fb7abd0bd1970bc7437244826c86089fa9be40b

SHA256
7876d3fb0fac841a1412d674a2311feace632bf71b0e9fb8725436fa1d257c03

SHA512
f9ca50f840e5bb9157a2acd157ebb40e4e3bd7cd3928e01e337e0dc8df5bdfc4760b4f52e6bb0c58df5646ecff419a578f34010bb107977d2d209b0b697790c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0svvqzup.sdg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC95B.tmp

Filesize
1KB

MD5
458d8729be85c5de854414dfa5b7b3d6

SHA1
ab7ecc5ecb5e7d93a9fe4e9a04bcd9407dee7ad6

SHA256
277dc0ac5f513c3213e3216a5101fce20d5f3eeb6e165d389607db067c6d808b

SHA512
5b38959bc284599bc4e5eb7e95f4643b686a020a336eb9faa60eca8979b167d279443a1df470661fd5b2627e328020f7577b41ffe721d19c827b4c5a68c8b9d4

Download Submit
memory/1020-4-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download
memory/1020-6-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download
memory/1020-5-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/1020-7-0x0000000005090000-0x00000000050B6000-memory.dmp

Filesize
152KB

Download
memory/1020-8-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1020-9-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/1020-10-0x0000000002570000-0x00000000025F6000-memory.dmp

Filesize
536KB

Download
memory/1020-3-0x0000000004BF0000-0x0000000004C82000-memory.dmp

Filesize
584KB

Download
memory/1020-2-0x0000000005100000-0x00000000056A6000-memory.dmp

Filesize
5.6MB

Download
memory/1020-0-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/1020-45-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/1020-1-0x0000000000020000-0x00000000000EA000-memory.dmp

Filesize
808KB

Download
memory/1588-60-0x0000000007D20000-0x000000000839A000-memory.dmp

Filesize
6.5MB

Download
memory/1588-74-0x0000000007920000-0x000000000792E000-memory.dmp

Filesize
56KB

Download
memory/1588-21-0x0000000005C40000-0x0000000005C62000-memory.dmp

Filesize
136KB

Download
memory/1588-83-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/1588-20-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/1588-29-0x0000000005E80000-0x00000000061D7000-memory.dmp

Filesize
3.3MB

Download
memory/1588-33-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/1588-34-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/1588-73-0x00000000078F0000-0x0000000007901000-memory.dmp

Filesize
68KB

Download
memory/1588-72-0x0000000007970000-0x0000000007A06000-memory.dmp

Filesize
600KB

Download
memory/1588-46-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/1588-47-0x0000000006930000-0x000000000697C000-memory.dmp

Filesize
304KB

Download
memory/1588-49-0x0000000070EE0000-0x0000000070F2C000-memory.dmp

Filesize
304KB

Download
memory/1588-58-0x0000000006900000-0x000000000691E000-memory.dmp

Filesize
120KB

Download
memory/1588-48-0x0000000007560000-0x0000000007594000-memory.dmp

Filesize
208KB

Download
memory/1588-59-0x00000000075A0000-0x0000000007644000-memory.dmp

Filesize
656KB

Download
memory/1588-61-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/1588-62-0x0000000007760000-0x000000000776A000-memory.dmp

Filesize
40KB

Download
memory/3828-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3828-86-0x0000000006630000-0x0000000006680000-memory.dmp

Filesize
320KB

Download
memory/4976-76-0x0000000007330000-0x000000000734A000-memory.dmp

Filesize
104KB

Download
memory/4976-18-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/4976-22-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/4976-75-0x0000000007230000-0x0000000007245000-memory.dmp

Filesize
84KB

Download
memory/4976-17-0x0000000005070000-0x000000000569A000-memory.dmp

Filesize
6.2MB

Download
memory/4976-77-0x0000000007320000-0x0000000007328000-memory.dmp

Filesize
32KB

Download
memory/4976-16-0x00000000024A0000-0x00000000024D6000-memory.dmp

Filesize
216KB

Download
memory/4976-84-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/4976-23-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4976-15-0x0000000074950000-0x0000000075101000-memory.dmp

Filesize
7.7MB

Download
memory/4976-63-0x0000000070EE0000-0x0000000070F2C000-memory.dmp

Filesize
304KB

Download