agenttesla | 72b3db1d27942eed50d9fa9b9bb3586e0d8f551e06fe64270ef49033a5e76593

General

Target

Revised PO-2022091803_.exe
Size

138KB
MD5

d083465ff43a25c2bfd5f77ad855f26e
SHA1

d0c7db979d97fc87e5b7facc4f51ea61a709fb21
SHA256

72b3db1d27942eed50d9fa9b9bb3586e0d8f551e06fe64270ef49033a5e76593
SHA512

1a8a2654d613e8b3d4370f9ebd5f9701f4ca7d5f6fb97f0bb766c523106e397b7e7522749444fced5febb5855003db6fe97f25bdd97403ef391a01786523208c
SSDEEP

3072:qZVossMEg6uAAITTE4R2GZzuj7Fnko98x4zJL8:OossMEg6RT44R2GZzuj7Fko98x

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

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:

Revised PO-2022091803_.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	Revised PO-2022091803_.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
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:

Revised PO-2022091803_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised PO-2022091803_.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised PO-2022091803_.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised PO-2022091803_.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Revised PO-2022091803_.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hjfbfmk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zofvtgquo\\Hjfbfmk.exe\""	Revised PO-2022091803_.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Revised PO-2022091803_.exe

description pid process target process

PID 4208 set thread context of 2704 4208 Revised PO-2022091803_.exe Revised PO-2022091803_.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeRevised PO-2022091803_.exe

pid process

3564 powershell.exe
3564 powershell.exe
2704 Revised PO-2022091803_.exe
2704 Revised PO-2022091803_.exe

description	pid	process	target process
PID 4208 set thread context of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe

pid	process
3564	powershell.exe
3564	powershell.exe
2704	Revised PO-2022091803_.exe
2704	Revised PO-2022091803_.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Revised PO-2022091803_.exepowershell.exeRevised PO-2022091803_.exe

description	pid	process
Token: SeDebugPrivilege	4208	Revised PO-2022091803_.exe
Token: SeDebugPrivilege	3564	powershell.exe
Token: SeDebugPrivilege	2704	Revised PO-2022091803_.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Revised PO-2022091803_.exe

description	pid	process	target process
PID 4208 wrote to memory of 3564	4208	Revised PO-2022091803_.exe	powershell.exe
PID 4208 wrote to memory of 3564	4208	Revised PO-2022091803_.exe	powershell.exe
PID 4208 wrote to memory of 3564	4208	Revised PO-2022091803_.exe	powershell.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe
PID 4208 wrote to memory of 2704	4208	Revised PO-2022091803_.exe	Revised PO-2022091803_.exe

outlook_office_path 1 IoCs

Processes:

Revised PO-2022091803_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised PO-2022091803_.exe

outlook_win_path 1 IoCs

Processes:

Revised PO-2022091803_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised PO-2022091803_.exe

C:\Users\Admin\AppData\Local\Temp\Revised PO-2022091803_.exe
"C:\Users\Admin\AppData\Local\Temp\Revised PO-2022091803_.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4208

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3564

C:\Users\Admin\AppData\Local\Temp\Revised PO-2022091803_.exe
"C:\Users\Admin\AppData\Local\Temp\Revised PO-2022091803_.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2704

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\Revised PO-2022091803_.exe.log
Filesize
1KB

MD5
ef95a426c7cadbe261c528f59813e6ab

SHA1
5edc710e2a90db2d262dd4d10d6f09d20e823007

SHA256
b481e9bf0515a6beb15cb252f60847275d978eba72691d5d8fa1c6a79b5cda9a

SHA512
53039306141608f7a606a1500f61193be16e97e53724b0d76721106c8dc7a5a8406c96019b9c32d0800d011bd2e55f46d34d2d74ed9b2661c7e006e329c45180

Download Submit
memory/2704-144-0x0000000000000000-mapping.dmp

Download
memory/2704-149-0x00000000062C0000-0x00000000062CA000-memory.dmp

Filesize
40KB

Download
memory/2704-148-0x00000000064A0000-0x00000000064F0000-memory.dmp

Filesize
320KB

Download
memory/2704-147-0x00000000052E0000-0x000000000537C000-memory.dmp

Filesize
624KB

Download
memory/2704-145-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3564-136-0x0000000004FB0000-0x00000000055D8000-memory.dmp

Filesize
6.2MB

Download
memory/3564-139-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/3564-140-0x0000000007660000-0x0000000007CDA000-memory.dmp

Filesize
6.5MB

Download
memory/3564-141-0x00000000061B0000-0x00000000061CA000-memory.dmp

Filesize
104KB

Download
memory/3564-138-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/3564-137-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/3564-135-0x00000000027F0000-0x0000000002826000-memory.dmp

Filesize
216KB

Download
memory/3564-134-0x0000000000000000-mapping.dmp

Download
memory/4208-142-0x0000000000E80000-0x0000000000F12000-memory.dmp

Filesize
584KB

Download
memory/4208-143-0x0000000006B50000-0x00000000070F4000-memory.dmp

Filesize
5.6MB

Download
memory/4208-132-0x0000000000510000-0x0000000000538000-memory.dmp

Filesize
160KB

Download
memory/4208-133-0x0000000005A30000-0x0000000005A52000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads