agenttesla | 63003a1d2a2681d119288b4cbdfa3e0b0248644336509b657e0fab1a4b364e8b

General

Target

tmp.exe
Size

754KB
MD5

c96c907d902d662e80bfe4cf0badc643
SHA1

1905d263490330b2b4ce09150f38ddaf804ebc12
SHA256

63003a1d2a2681d119288b4cbdfa3e0b0248644336509b657e0fab1a4b364e8b
SHA512

8412f07c71d0798fd3ddcf92e0b7b95af145fd6369848438e4c94aa1fd3a0a2866c4556f603b441dc59b1b53b97393fc797efb7989b90484a121a36ba55c3159
SSDEEP

12288:6t9qgZ/ziouHH1JJ2iNgkejwFGfO7XRCRDYxSyv5ndMn0Ueb31EFUUi2ditrS27V:89NZ/9u1j12eGm7XsRDuhndMtebFE2R9

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5577155192:AAEz6ZTkghx2RsdTxeeE-sDulPHc5WQblVg/

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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 1064 set thread context of 552	1064	tmp.exe	27

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
552	tmp.exe
552	tmp.exe
552	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27
PID 1064 wrote to memory of 552	1064	tmp.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:552

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/552-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/552-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/552-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/552-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/552-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/552-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/552-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1064-55-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/1064-54-0x0000000000EF0000-0x0000000000FB2000-memory.dmp

Filesize
776KB

Download
memory/1064-59-0x0000000000970000-0x00000000009BA000-memory.dmp

Filesize
296KB

Download
memory/1064-58-0x0000000005200000-0x0000000005282000-memory.dmp

Filesize
520KB

Download
memory/1064-57-0x00000000004C0000-0x00000000004CC000-memory.dmp

Filesize
48KB

Download
memory/1064-56-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download

Analysis

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