agenttesla | f3caeea10bc33fbf3a105e0b10998ab1053e95a0df9a9ebdee936f4ac6f1e8d5

General

Target

$57,000.00.exe
Size

709KB
MD5

bf7e3ea1bbaba155ce9079dc9e959501
SHA1

be73007a9ea47dcd70ad4c17f239a78c709829d8
SHA256

8107f9ab5c5030afbbbebfd98280556cc08697cffa66d45548c5e012209d9184
SHA512

ee89bdfd7557ef43f705c5a14e01bbbda3cac74d3ef14361cb4ebe9b45afc22be2e437acc68886abb92fcad8e9145f205956f7c23c348a625f79e28b9ad600c4
SSDEEP

12288:hxBZWR942mwMHGtGeIn+ihCMGkU0yywVn3:h1WR9lptrNKCMGIwV3

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.southernboilers.org
Port:
587
Username:
[email protected]
Password:
Sksmoke2018#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

$57,000.00.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	$57,000.00.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	$57,000.00.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	$57,000.00.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.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

$57,000.00.exe

description pid process target process

PID 1208 set thread context of 676 1208 $57,000.00.exe $57,000.00.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

696 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

$57,000.00.exe

pid process

1208 $57,000.00.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

$57,000.00.exe$57,000.00.exe

description pid process

Token: SeDebugPrivilege 1208 $57,000.00.exe
Token: SeDebugPrivilege 676 $57,000.00.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

$57,000.00.exe

pid process

676 $57,000.00.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1208 set thread context of 676	1208	$57,000.00.exe	$57,000.00.exe

pid	process
696	schtasks.exe

pid	process
1208	$57,000.00.exe

description	pid	process
Token: SeDebugPrivilege	1208	$57,000.00.exe
Token: SeDebugPrivilege	676	$57,000.00.exe

pid	process
676	$57,000.00.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

$57,000.00.exe

description	pid	process	target process
PID 1208 wrote to memory of 696	1208	$57,000.00.exe	schtasks.exe
PID 1208 wrote to memory of 696	1208	$57,000.00.exe	schtasks.exe
PID 1208 wrote to memory of 696	1208	$57,000.00.exe	schtasks.exe
PID 1208 wrote to memory of 696	1208	$57,000.00.exe	schtasks.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe
PID 1208 wrote to memory of 676	1208	$57,000.00.exe	$57,000.00.exe

outlook_office_path 1 IoCs

Processes:

$57,000.00.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	$57,000.00.exe

outlook_win_path 1 IoCs

Processes:

$57,000.00.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	$57,000.00.exe

C:\Users\Admin\AppData\Local\Temp\$57,000.00.exe
"C:\Users\Admin\AppData\Local\Temp\$57,000.00.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FWTTsFZWRlQez" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9399.tmp"
2⤵
- Creates scheduled task(s)
PID:696

C:\Users\Admin\AppData\Local\Temp\$57,000.00.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9399.tmp
Filesize
1KB

MD5
8e9996f04bdc1b02206c0f7233e38f2c

SHA1
7a4d4d916c5d098c1b99368ac76eaf25ba953854

SHA256
6b5455a3bc30661263d88ec785284c0114a3239d4f8a646a1ad382a540f2d1e5

SHA512
75ea780de9689fc025d1ef9a493abfac342be4b722299f7cd8a5fc31bad9c5eaf13decc946159caff39b2f6323ab6553a273a68681630c21a69f8e734d90241b

Download Submit
memory/676-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/676-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/676-91-0x0000000004E60000-0x0000000004EA0000-memory.dmp

Filesize
256KB

Download
memory/676-73-0x0000000004E60000-0x0000000004EA0000-memory.dmp

Filesize
256KB

Download
memory/676-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/676-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/676-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/676-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/676-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/676-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1208-59-0x0000000000860000-0x0000000000890000-memory.dmp

Filesize
192KB

Download
memory/1208-54-0x0000000000970000-0x0000000000A28000-memory.dmp

Filesize
736KB

Download
memory/1208-56-0x0000000000260000-0x000000000026C000-memory.dmp

Filesize
48KB

Download
memory/1208-55-0x0000000004FD0000-0x0000000005010000-memory.dmp

Filesize
256KB

Download
memory/1208-58-0x0000000004F40000-0x0000000004FBC000-memory.dmp

Filesize
496KB

Download
memory/1208-57-0x0000000004FD0000-0x0000000005010000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads