agenttesla | 8b44d22c62f8f7f749ed63a3ae1ea5068bdac5db4fbccec5635f47a6fd27dbde

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2024 14:07

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General

Target

INVOICE.exe
Size

811KB
MD5

67264514f7afbb2ec180dc94a14194a8
SHA1

7403167385888d938913e75200e4dca9efa56b42
SHA256

8b44d22c62f8f7f749ed63a3ae1ea5068bdac5db4fbccec5635f47a6fd27dbde
SHA512

481dc1cab7874146ea96300e21254699bbe50bce6dea0a91485611933b35951053d9a4bf6c2deb6a3822e6b503220b75675e54b3e0cd78ea9193b60efd90cb5e
SSDEEP

12288:Y0TauHvXli04sxePpo+tpSE9wK5OcldJlN2JhGH7S4NNyu:fT/vXrD4po+tsE4s3lNkGb

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.southerngroup.co
Port:
587
Username:
[email protected]
Password:
sougrp@2020#

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.southerngroup.co
Port:
587
Username:
[email protected]
Password:
sougrp@2020#
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-1-5-21-2398549320-3657759451-817663969-1000\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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

25 api.ipify.org
26 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE.exe

description pid process target process

PID 4200 set thread context of 5048 4200 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

3052 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeINVOICE.exe

pid process

1672 powershell.exe
5048 INVOICE.exe
5048 INVOICE.exe
1672 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeINVOICE.exe

description pid process

Token: SeDebugPrivilege 1672 powershell.exe
Token: SeDebugPrivilege 5048 INVOICE.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

INVOICE.exe

pid process

5048 INVOICE.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	INVOICE.exe

flow	ioc
25	api.ipify.org
26	api.ipify.org

description	pid	process	target process
PID 4200 set thread context of 5048	4200	INVOICE.exe	INVOICE.exe

pid	process
3052	schtasks.exe

pid	process
1672	powershell.exe
5048	INVOICE.exe
5048	INVOICE.exe
1672	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1672	powershell.exe
Token: SeDebugPrivilege	5048	INVOICE.exe

pid	process
5048	INVOICE.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

INVOICE.exe

description	pid	process	target process
PID 4200 wrote to memory of 1672	4200	INVOICE.exe	powershell.exe
PID 4200 wrote to memory of 1672	4200	INVOICE.exe	powershell.exe
PID 4200 wrote to memory of 1672	4200	INVOICE.exe	powershell.exe
PID 4200 wrote to memory of 3052	4200	INVOICE.exe	schtasks.exe
PID 4200 wrote to memory of 3052	4200	INVOICE.exe	schtasks.exe
PID 4200 wrote to memory of 3052	4200	INVOICE.exe	schtasks.exe
PID 4200 wrote to memory of 5048	4200	INVOICE.exe	INVOICE.exe
PID 4200 wrote to memory of 5048	4200	INVOICE.exe	INVOICE.exe
PID 4200 wrote to memory of 5048	4200	INVOICE.exe	INVOICE.exe
PID 4200 wrote to memory of 5048	4200	INVOICE.exe	INVOICE.exe
PID 4200 wrote to memory of 5048	4200	INVOICE.exe	INVOICE.exe
PID 4200 wrote to memory of 5048	4200	INVOICE.exe	INVOICE.exe
PID 4200 wrote to memory of 5048	4200	INVOICE.exe	INVOICE.exe
PID 4200 wrote to memory of 5048	4200	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:4200

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zbvwgRnmZky.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zbvwgRnmZky" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1AC.tmp"
2⤵
- Creates scheduled task(s)
PID:3052

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5048

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3am14zkn.33v.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB1AC.tmp

Filesize
1KB

MD5
094be329b9c395f9aab8d8acd9dcb30b

SHA1
f6a066e363a2652fefe758065f93d63b74297a6a

SHA256
881d3cbceede451d6c330da476a434b1a873b052b459bca4e3ec4563e24383d0

SHA512
5f439e3a0ad28e5282090650e2d969cba08b72edad9b0da8f6dc1dc8144c3db3877b7d55c38a778bcca62a03440448d8bd3ac7f22f6575bc7be1047b6e450923

Download Submit
memory/1672-58-0x0000000006F10000-0x0000000006F2A000-memory.dmp

Filesize
104KB

Download
memory/1672-60-0x0000000007190000-0x0000000007226000-memory.dmp

Filesize
600KB

Download
memory/1672-28-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/1672-69-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/1672-66-0x0000000007230000-0x0000000007238000-memory.dmp

Filesize
32KB

Download
memory/1672-65-0x0000000007250000-0x000000000726A000-memory.dmp

Filesize
104KB

Download
memory/1672-64-0x0000000007150000-0x0000000007164000-memory.dmp

Filesize
80KB

Download
memory/1672-63-0x0000000007140000-0x000000000714E000-memory.dmp

Filesize
56KB

Download
memory/1672-61-0x0000000007110000-0x0000000007121000-memory.dmp

Filesize
68KB

Download
memory/1672-15-0x00000000022B0000-0x00000000022E6000-memory.dmp

Filesize
216KB

Download
memory/1672-16-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/1672-18-0x00000000047A0000-0x00000000047B0000-memory.dmp

Filesize
64KB

Download
memory/1672-17-0x00000000047A0000-0x00000000047B0000-memory.dmp

Filesize
64KB

Download
memory/1672-41-0x0000000006170000-0x00000000061BC000-memory.dmp

Filesize
304KB

Download
memory/1672-59-0x0000000006F80000-0x0000000006F8A000-memory.dmp

Filesize
40KB

Download
memory/1672-19-0x0000000004DE0000-0x0000000005408000-memory.dmp

Filesize
6.2MB

Download
memory/1672-57-0x0000000007550000-0x0000000007BCA000-memory.dmp

Filesize
6.5MB

Download
memory/1672-24-0x0000000004C20000-0x0000000004C42000-memory.dmp

Filesize
136KB

Download
memory/1672-56-0x0000000006C20000-0x0000000006CC3000-memory.dmp

Filesize
652KB

Download
memory/1672-55-0x0000000006150000-0x000000000616E000-memory.dmp

Filesize
120KB

Download
memory/1672-45-0x0000000070300000-0x000000007034C000-memory.dmp

Filesize
304KB

Download
memory/1672-44-0x0000000006230000-0x0000000006262000-memory.dmp

Filesize
200KB

Download
memory/1672-35-0x0000000005650000-0x00000000059A4000-memory.dmp

Filesize
3.3MB

Download
memory/1672-43-0x000000007F4D0000-0x000000007F4E0000-memory.dmp

Filesize
64KB

Download
memory/1672-42-0x00000000047A0000-0x00000000047B0000-memory.dmp

Filesize
64KB

Download
memory/1672-40-0x0000000005C10000-0x0000000005C2E000-memory.dmp

Filesize
120KB

Download
memory/4200-0-0x0000000000F60000-0x0000000001032000-memory.dmp

Filesize
840KB

Download
memory/4200-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/4200-4-0x0000000005C20000-0x0000000005C30000-memory.dmp

Filesize
64KB

Download
memory/4200-1-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4200-5-0x0000000005AD0000-0x0000000005ADA000-memory.dmp

Filesize
40KB

Download
memory/4200-26-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4200-6-0x0000000005BC0000-0x0000000005BD4000-memory.dmp

Filesize
80KB

Download
memory/4200-7-0x0000000005BF0000-0x0000000005BF8000-memory.dmp

Filesize
32KB

Download
memory/4200-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp

Filesize
584KB

Download
memory/4200-8-0x0000000005C00000-0x0000000005C0C000-memory.dmp

Filesize
48KB

Download
memory/4200-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4200-10-0x000000000A8D0000-0x000000000A96C000-memory.dmp

Filesize
624KB

Download
memory/4200-9-0x0000000006D70000-0x0000000006DEA000-memory.dmp

Filesize
488KB

Download
memory/5048-62-0x0000000006B10000-0x0000000006B60000-memory.dmp

Filesize
320KB

Download
memory/5048-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/5048-29-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/5048-25-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-27-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/5048-70-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-71-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download