agenttesla | ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4

General

Target

ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe
Size

299KB
MD5

df4f4d8f3a20196e3cbeddfad102cfa5
SHA1

5f4fb1c18bc0a0d86bd34d4d1ebf7d9a8029671a
SHA256

ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4
SHA512

bbfa37e4f383c8d7612e3210a6376f9fef3089849fe6d13e0931d0b36cef7f4f718235c4d13becc73265644a42393280c3c62043eab5e462af4514f3db1537c8
SSDEEP

6144:OYa64XACWHjqgLpPR9aalvzGZeo+PnSPM0Uu6bQ3lmGHb4NVPi6:OYSXxW995ZWe/PnSPpp1TMjPp

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

Loads dropped DLL 1 IoCs

pid	Process
452	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.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
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 452 set thread context of 4112	452	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe	83

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4112	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe
4112	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
452	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4112	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 4112	452	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe	83
PID 452 wrote to memory of 4112	452	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe	83
PID 452 wrote to memory of 4112	452	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe	83
PID 452 wrote to memory of 4112	452	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe

C:\Users\Admin\AppData\Local\Temp\ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe
"C:\Users\Admin\AppData\Local\Temp\ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:452
- C:\Users\Admin\AppData\Local\Temp\ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe
  "C:\Users\Admin\AppData\Local\Temp\ca63861d243fe426a35ed766b47557c6249f9a8dba8ee1cc737eade5904aa4c4.exe"
  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:4112

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nss74BA.tmp\afxcyprzss.dll

Filesize
44KB

MD5
9cdfa44380c93bbf0dbaee409751fa2f

SHA1
765a4d2323c77b0eb3c7b8e4b46b283f379896a2

SHA256
8ccf4c5f1e3f8dadba1376cc23e1bee1675b59c559f709f935c26d4967fa26ff

SHA512
c0080167d3b9beca447e7c0e71a23f48fcaacb60253632a1eff99c5d5b9b3f3111a35177af18f94ddcf2e6c8b1231196e1b3b378fda3b4ab43e31d48469bf8db

Download Submit
memory/452-140-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4112-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4112-142-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4112-144-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4112-145-0x0000000004B40000-0x00000000050E4000-memory.dmp

Filesize
5.6MB

Download
memory/4112-146-0x00000000049F0000-0x0000000004A56000-memory.dmp

Filesize
408KB

Download
memory/4112-147-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4112-148-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4112-150-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4112-149-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4112-151-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4112-152-0x0000000005CD0000-0x0000000005D20000-memory.dmp

Filesize
320KB

Download
memory/4112-153-0x0000000005D40000-0x0000000005F02000-memory.dmp

Filesize
1.8MB

Download
memory/4112-154-0x0000000005F10000-0x0000000005FA2000-memory.dmp

Filesize
584KB

Download
memory/4112-155-0x0000000006010000-0x000000000601A000-memory.dmp

Filesize
40KB

Download
memory/4112-157-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4112-158-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4112-159-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4112-160-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing