agenttesla | f5d87682a45a92cc4dbea8ef788846df4492501ffea1ef1da4fbe7372ee5f44d

General

Target

a983dd23ea30dc4c94881bf5e3a2fbdc.exe
Size

800KB
MD5

a983dd23ea30dc4c94881bf5e3a2fbdc
SHA1

7345aeef2a379727c9d0d5d4d83880f943a2b101
SHA256

f5d87682a45a92cc4dbea8ef788846df4492501ffea1ef1da4fbe7372ee5f44d
SHA512

b3cf61f082bcdcddc089f3613838caa2cb8cb56eb0c0c2a10d079b5d98a3cd08d938c7a6527232095ba496015444dc2d584b46ec673b2b09d8d84acadebba841
SSDEEP

12288:gE4sQwoLkO6fAkflhth006PNF/ss+FG5oWknid2IKZjigx98kBnuC8dLvFzPQ:gsQwcKnU06PNFUs+a94Xx99BDOzPQ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5806691582:AAH6u3QmlmdvCPddcnWF_1vIYT8ymbk2K8M/

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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.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.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	464	a983dd23ea30dc4c94881bf5e3a2fbdc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28
PID 2040 wrote to memory of 464	2040	a983dd23ea30dc4c94881bf5e3a2fbdc.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a983dd23ea30dc4c94881bf5e3a2fbdc.exe

C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe
"C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe
  "C:\Users\Admin\AppData\Local\Temp\a983dd23ea30dc4c94881bf5e3a2fbdc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/464-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/464-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/464-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/464-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/464-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/464-72-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/464-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/464-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/464-73-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/464-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2040-59-0x00000000057C0000-0x000000000586A000-memory.dmp

Filesize
680KB

Download
memory/2040-57-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/2040-54-0x0000000000220000-0x00000000002EE000-memory.dmp

Filesize
824KB

Download
memory/2040-56-0x0000000000390000-0x00000000003B0000-memory.dmp

Filesize
128KB

Download
memory/2040-61-0x0000000002130000-0x0000000002162000-memory.dmp

Filesize
200KB

Download
memory/2040-60-0x00000000007D0000-0x00000000007D8000-memory.dmp

Filesize
32KB

Download
memory/2040-55-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/2040-58-0x0000000000370000-0x000000000037C000-memory.dmp

Filesize
48KB

Download

Analysis

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