agenttesla | 4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b

Analysis

max time kernel
151s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2023 03:27

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General

Target

4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
Size

696KB
MD5

15ed353b05d659d281cfba73c6ecf7ac
SHA1

f2125dd3ca548ca869acf6ed1bbf48571d7d32a8
SHA256

4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b
SHA512

1ee00641cd28396da2d0b84747b13ced3d07012921feea6bd0d30e6749e7b12e332b21b0502887838ef75a62d0ba8ad1e8d64771da6952419013ed9250a25e1b
SSDEEP

12288:r+l5nF8cWx7Iv8AkyN/TidWax9iBJ2V6bxW8H0tqs/s7BdhviAXSce+ZJ9z4dqrk:SlghIv8AB/2dWaeBEVUW+0/scN+ZjHhu

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tecnosilos.com.py
Port:
587
Username:
[email protected]
Password:
dX,@;SPvm;h{
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

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

Processes:

4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe

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 2 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

Suspicious use of SetThreadContext 1 IoCs

Processes:

4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe

description	pid	process	target process
PID 752 set thread context of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4692 schtasks.exe

pid	process
4692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exepowershell.exe

pid	process
4784	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
4784	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
4784	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
3488	powershell.exe
3488	powershell.exe
3488	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4784	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
Token: SeDebugPrivilege	3488	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe

description	pid	process	target process
PID 752 wrote to memory of 3488	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	powershell.exe
PID 752 wrote to memory of 3488	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	powershell.exe
PID 752 wrote to memory of 3488	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	powershell.exe
PID 752 wrote to memory of 4692	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	schtasks.exe
PID 752 wrote to memory of 4692	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	schtasks.exe
PID 752 wrote to memory of 4692	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	schtasks.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
PID 752 wrote to memory of 4784	752	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe	4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe

C:\Users\Admin\AppData\Local\Temp\4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
"C:\Users\Admin\AppData\Local\Temp\4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\okQHHzj.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3488

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\okQHHzj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88C3.tmp"
2⤵
- Creates scheduled task(s)
PID:4692

C:\Users\Admin\AppData\Local\Temp\4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe
"C:\Users\Admin\AppData\Local\Temp\4921b59723522d43b5df32f0cb0f125907510fa7d50c62ee820ee5a7c8d9c25b.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iwvfkqxk.1rf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp88C3.tmp

Filesize
1KB

MD5
774a3e7814e4d55c1b742176cd4f3896

SHA1
01d6d0792cfa7b8c269a3ae7b2caa9a925cb7adc

SHA256
4a7fbd037041e4cba2fbecff414699cad695a80ae03004b0e3b4bb77fd1775ad

SHA512
4a73a171ede7447bc431914e0801176abdd51bd0f04746b094d970918cf73d144a4a7ebc847c0f11f9c4de8860d04b4f98b2e70c67a4fd21257defcc22bdf3c5

Download Submit
memory/752-18-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/752-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/752-4-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/752-5-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/752-6-0x00000000053A0000-0x00000000053B8000-memory.dmp

Filesize
96KB

Download
memory/752-7-0x00000000053E0000-0x00000000053E8000-memory.dmp

Filesize
32KB

Download
memory/752-8-0x00000000053F0000-0x00000000053FA000-memory.dmp

Filesize
40KB

Download
memory/752-9-0x00000000066A0000-0x000000000671A000-memory.dmp

Filesize
488KB

Download
memory/752-10-0x00000000062D0000-0x000000000636C000-memory.dmp

Filesize
624KB

Download
memory/752-15-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/752-0-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/752-3-0x0000000005060000-0x00000000050F2000-memory.dmp

Filesize
584KB

Download
memory/752-25-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/752-1-0x0000000000590000-0x0000000000642000-memory.dmp

Filesize
712KB

Download
memory/3488-58-0x00000000076A0000-0x0000000007D1A000-memory.dmp

Filesize
6.5MB

Download
memory/3488-43-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/3488-16-0x0000000002440000-0x0000000002476000-memory.dmp

Filesize
216KB

Download
memory/3488-34-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/3488-19-0x0000000002490000-0x00000000024A0000-memory.dmp

Filesize
64KB

Download
memory/3488-69-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-66-0x0000000007380000-0x0000000007388000-memory.dmp

Filesize
32KB

Download
memory/3488-28-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/3488-39-0x00000000058B0000-0x0000000005C04000-memory.dmp

Filesize
3.3MB

Download
memory/3488-65-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/3488-22-0x0000000004F60000-0x0000000005588000-memory.dmp

Filesize
6.2MB

Download
memory/3488-40-0x0000000005D50000-0x0000000005D6E000-memory.dmp

Filesize
120KB

Download
memory/3488-41-0x0000000005D90000-0x0000000005DDC000-memory.dmp

Filesize
304KB

Download
memory/3488-42-0x0000000002490000-0x00000000024A0000-memory.dmp

Filesize
64KB

Download
memory/3488-44-0x0000000006D20000-0x0000000006D52000-memory.dmp

Filesize
200KB

Download
memory/3488-64-0x00000000072A0000-0x00000000072B4000-memory.dmp

Filesize
80KB

Download
memory/3488-45-0x0000000070FB0000-0x0000000070FFC000-memory.dmp

Filesize
304KB

Download
memory/3488-55-0x00000000062F0000-0x000000000630E000-memory.dmp

Filesize
120KB

Download
memory/3488-63-0x0000000007290000-0x000000000729E000-memory.dmp

Filesize
56KB

Download
memory/3488-57-0x0000000006F60000-0x0000000007003000-memory.dmp

Filesize
652KB

Download
memory/3488-17-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-59-0x0000000007060000-0x000000000707A000-memory.dmp

Filesize
104KB

Download
memory/3488-60-0x00000000070D0000-0x00000000070DA000-memory.dmp

Filesize
40KB

Download
memory/3488-61-0x00000000072E0000-0x0000000007376000-memory.dmp

Filesize
600KB

Download
memory/3488-62-0x0000000007260000-0x0000000007271000-memory.dmp

Filesize
68KB

Download
memory/4784-56-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/4784-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4784-70-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-27-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/4784-26-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/4784-24-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-71-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download