agenttesla | f6953f4a345ddd27da942fa4409003699c1e831d6add24698697c4f325f0b151

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2023 07:25

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General

Target

INVOICE.exe
Size

697KB
MD5

ba367cc4cfb9f9b18f2a776ffa4fc4aa
SHA1

204d17e23d81391809aab7e857b7a918f790fa98
SHA256

9fdc30c0a41d836508108bd98ce5176a6739f8ef4c0395bb81e8d85fe670d86f
SHA512

ab376384d3289fa54cfe4543b998abbe280d68e74b2e110827df239208c21a1ad0820df28471248590f83167c438be5c3d2db7fa0e6c3e6deaf62b310b559345
SSDEEP

12288:Ubl5nF8teO9wP7uZ15vvFIY1Z+1OBhDe4CTrTVMK9XC+iinnjhZj4dqrlbJ:4l+eOq+r3Fl141OBle4C5hfnzHhbJ

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:

INVOICE.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation	INVOICE.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:

INVOICE.exe

description pid process target process

PID 3476 set thread context of 2656 3476 INVOICE.exe INVOICE.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

2244 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeINVOICE.exe

pid process

3604 powershell.exe
2656 INVOICE.exe
2656 INVOICE.exe
3604 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeINVOICE.exe

description pid process

Token: SeDebugPrivilege 3604 powershell.exe
Token: SeDebugPrivilege 2656 INVOICE.exe

description	pid	process	target process
PID 3476 set thread context of 2656	3476	INVOICE.exe	INVOICE.exe

pid	process
2244	schtasks.exe

pid	process
3604	powershell.exe
2656	INVOICE.exe
2656	INVOICE.exe
3604	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3604	powershell.exe
Token: SeDebugPrivilege	2656	INVOICE.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

INVOICE.exe

description	pid	process	target process
PID 3476 wrote to memory of 3604	3476	INVOICE.exe	powershell.exe
PID 3476 wrote to memory of 3604	3476	INVOICE.exe	powershell.exe
PID 3476 wrote to memory of 3604	3476	INVOICE.exe	powershell.exe
PID 3476 wrote to memory of 2244	3476	INVOICE.exe	schtasks.exe
PID 3476 wrote to memory of 2244	3476	INVOICE.exe	schtasks.exe
PID 3476 wrote to memory of 2244	3476	INVOICE.exe	schtasks.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe
PID 3476 wrote to memory of 2656	3476	INVOICE.exe	INVOICE.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3476

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eTjKPkz.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3604

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eTjKPkz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8A3E.tmp"
2⤵
- Creates scheduled task(s)
PID:2244

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2656

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_1sjnfgmz.1nq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8A3E.tmp

Filesize
1KB

MD5
3398707cb972f8b75a5c62d416792245

SHA1
769020c1330a6fa9bd824b0228c054abf638dede

SHA256
549a98e0d9b5d337ab9bf1dda8d733893164cf2bb9b1f68c0f8982006f744490

SHA512
90c4ac331948dc344ab05bdd81467a52d631189728a24243ded9ef988b40dd4f86f1f9514765c3c1f5d345dbe9a79099838379900456e5cdbf062ebd5ae3f619

Download Submit
memory/2656-72-0x0000000005690000-0x00000000056A0000-memory.dmp

Filesize
64KB

Download
memory/2656-28-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/2656-30-0x0000000005690000-0x00000000056A0000-memory.dmp

Filesize
64KB

Download
memory/2656-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-63-0x00000000066E0000-0x0000000006730000-memory.dmp

Filesize
320KB

Download
memory/2656-71-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-5-0x00000000050B0000-0x00000000050BA000-memory.dmp

Filesize
40KB

Download
memory/3476-6-0x00000000066C0000-0x00000000066D8000-memory.dmp

Filesize
96KB

Download
memory/3476-10-0x0000000006830000-0x00000000068CC000-memory.dmp

Filesize
624KB

Download
memory/3476-8-0x0000000006710000-0x000000000671A000-memory.dmp

Filesize
40KB

Download
memory/3476-0-0x0000000000620000-0x00000000006D4000-memory.dmp

Filesize
720KB

Download
memory/3476-7-0x0000000006700000-0x0000000006708000-memory.dmp

Filesize
32KB

Download
memory/3476-17-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-9-0x0000000006A60000-0x0000000006ADA000-memory.dmp

Filesize
488KB

Download
memory/3476-23-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3476-4-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/3476-3-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download
memory/3476-2-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/3476-27-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3476-1-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3604-16-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3604-57-0x0000000006E40000-0x0000000006EE3000-memory.dmp

Filesize
652KB

Download
memory/3604-24-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

Filesize
136KB

Download
memory/3604-29-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/3604-19-0x0000000004860000-0x0000000004870000-memory.dmp

Filesize
64KB

Download
memory/3604-40-0x00000000057B0000-0x0000000005B04000-memory.dmp

Filesize
3.3MB

Download
memory/3604-41-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

Filesize
120KB

Download
memory/3604-42-0x0000000005DF0000-0x0000000005E3C000-memory.dmp

Filesize
304KB

Download
memory/3604-44-0x0000000006340000-0x0000000006372000-memory.dmp

Filesize
200KB

Download
memory/3604-45-0x0000000075B60000-0x0000000075BAC000-memory.dmp

Filesize
304KB

Download
memory/3604-43-0x000000007F850000-0x000000007F860000-memory.dmp

Filesize
64KB

Download
memory/3604-56-0x0000000004860000-0x0000000004870000-memory.dmp

Filesize
64KB

Download
memory/3604-55-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/3604-26-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/3604-58-0x0000000007770000-0x0000000007DEA000-memory.dmp

Filesize
6.5MB

Download
memory/3604-59-0x0000000006460000-0x000000000647A000-memory.dmp

Filesize
104KB

Download
memory/3604-60-0x0000000007140000-0x000000000714A000-memory.dmp

Filesize
40KB

Download
memory/3604-61-0x0000000007350000-0x00000000073E6000-memory.dmp

Filesize
600KB

Download
memory/3604-62-0x00000000072D0000-0x00000000072E1000-memory.dmp

Filesize
68KB

Download
memory/3604-64-0x0000000007300000-0x000000000730E000-memory.dmp

Filesize
56KB

Download
memory/3604-21-0x0000000004860000-0x0000000004870000-memory.dmp

Filesize
64KB

Download
memory/3604-65-0x0000000007310000-0x0000000007324000-memory.dmp

Filesize
80KB

Download
memory/3604-66-0x0000000007410000-0x000000000742A000-memory.dmp

Filesize
104KB

Download
memory/3604-67-0x00000000073F0000-0x00000000073F8000-memory.dmp

Filesize
32KB

Download
memory/3604-70-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3604-20-0x0000000004EA0000-0x00000000054C8000-memory.dmp

Filesize
6.2MB

Download
memory/3604-15-0x0000000004800000-0x0000000004836000-memory.dmp

Filesize
216KB

Download