agenttesla | 24c42dee676b7009980638f11001c75335c9cdf08addbc3c10f941103835955b

Analysis

max time kernel
90s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2022, 22:53

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General

Target
#QFYEY054.exe
Size 783KB
Sample221031-2tykrsdhe7
SHA256 24c42dee676b7009980638f11001c75335c9cdf08addbc3c10f941103835955b
MD5 7fb55d4603a18e4167d6c75eac2803d8
SHA1 79dee68c3f71aff21b1f7abe917d0a15c672f97f
SHA512 d927ebe95d8e2468513283b9bdbf90fae4e6f37d1ae18a720a9ac4c9598bb449830c31de7d37429040c4c826e114b23afc5deed54cdcf4c9fedef2ac70e48e0c
SSDEEP 12288:+n+9AgHtDg5xE1j5MXLdie/BCKWvMMqpUz0zFwqPuVorLb355w3z5LErq:+nC4o5wdiCB7WEGz0HPWorX3g39
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot1591373451:AAH6Q2mvjdA9146Wl0khv2-kuh-iTps2zjw/

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#QFYEY054.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#QFYEY054.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#QFYEY054.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe"	#QFYEY054.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 2672	2500	#QFYEY054.exe	89

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2672	#QFYEY054.exe
2672	#QFYEY054.exe
2672	#QFYEY054.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	#QFYEY054.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89
PID 2500 wrote to memory of 2672	2500	#QFYEY054.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	#QFYEY054.exe

outlook_win_path 1 IoCs

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	#QFYEY054.exe

C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe
"C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2500-132-0x0000000000320000-0x00000000003EA000-memory.dmp

Download

memory/2500-133-0x00000000053F0000-0x0000000005994000-memory.dmp

Download

memory/2500-134-0x0000000004D80000-0x0000000004E12000-memory.dmp

Download

memory/2500-135-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

Download

memory/2500-136-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Download

memory/2672-138-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2672-139-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Download

memory/2672-140-0x0000000006680000-0x00000000066D0000-memory.dmp

Download