agenttesla | 1a8e21dfa014136cab56a95152e43e986bbf27559ca06599a10806954b3748a8

General

Target

e-dekont.exe
Size

1.2MB
MD5

ec365e7c8c0a9dc8064cb4260b94faa6
SHA1

f180324759c0f28d66c29abc962bfa644f04b379
SHA256

1a8e21dfa014136cab56a95152e43e986bbf27559ca06599a10806954b3748a8
SHA512

1de185b175488ddc1f55913f9708f9d579c6b4e2753011946e6c99f52828cad1ab4e843c4371acd6abe90a928d44619b99978a46cb827c8faef595a00f41be30
SSDEEP

24576:ep11YGDkjwJsoGlW1KQKPTCd2sepquOCfWPxRv1fVmkQ8PQ3:epfY5UsoGlrQiTCoxYRvbmE

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.jababekainfra.com
Port:
587
Username:
[email protected]
Password:
bw#Gu]le4iR5
Email To:
[email protected]

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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lANdBmK = "C:\\Users\\Admin\\AppData\\Roaming\\lANdBmK\\lANdBmK.exe"	e-dekont.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
41	api.ipify.org
42	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5100 set thread context of 4768	5100	e-dekont.exe	90

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	e-dekont.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90
PID 5100 wrote to memory of 4768	5100	e-dekont.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe

C:\Users\Admin\AppData\Local\Temp\e-dekont.exe
"C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Users\Admin\AppData\Local\Temp\e-dekont.exe
  "C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4768

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

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e-dekont.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4768-138-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4768-140-0x0000000005050000-0x00000000050B6000-memory.dmp

Filesize
408KB

Download
memory/4768-141-0x0000000006C90000-0x0000000006CE0000-memory.dmp

Filesize
320KB

Download
memory/4768-142-0x0000000006EB0000-0x0000000007072000-memory.dmp

Filesize
1.8MB

Download
memory/5100-132-0x0000000000C00000-0x0000000000D3A000-memory.dmp

Filesize
1.2MB

Download
memory/5100-133-0x0000000005C30000-0x00000000061D4000-memory.dmp

Filesize
5.6MB

Download
memory/5100-134-0x0000000005720000-0x00000000057B2000-memory.dmp

Filesize
584KB

Download
memory/5100-135-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/5100-136-0x0000000008110000-0x00000000081AC000-memory.dmp

Filesize
624KB

Download

Analysis

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