agenttesla | 221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb

General

Target

2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Size

943KB
MD5

21e603ea77b316cce2ec68a44cd735c7
SHA1

2bc285f3a8bd60f55bd659b360b1c77eab820b5e
SHA256

221a81d66ccd5492f313733aca66534af9350f427c50a6b30c7a65dce1ea0fbb
SHA512

0256baa5a9e545d3936e98a77eebdaa457aaa78c25c2c9717762d2fbaa103ab26f45bb93164a40374ec0b324b538c42992440ffda7df89b8bef621d2a694b39e
SSDEEP

12288:ziWHxYV/jqmkMD2DExj6L+lMBebblLTMGa9EDL9y3r9FibYjIaCJVbDGo:ztHxYgExj6L+lMBebbRMCD7sjIxJDv

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
host39.registrar-servers.com
Port:
587
Username:
[email protected]
Password:
payment 12345

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.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
40	api.ipify.org
41	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
1900	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
1900	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
1900	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
Token: SeDebugPrivilege	1900	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 3884	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	91
PID 4956 wrote to memory of 3884	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	91
PID 4956 wrote to memory of 3884	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	91
PID 4956 wrote to memory of 2324	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	93
PID 4956 wrote to memory of 2324	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	93
PID 4956 wrote to memory of 2324	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	93
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94
PID 4956 wrote to memory of 1900	4956	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe	94

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	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.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	2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe

C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
"C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CDNABzJvQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B6E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3884
- C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
  "{path}"
  2⤵
  PID:2324
- C:\Users\Admin\AppData\Local\Temp\2bc285f3a8bd60f55bd659b360b1c77eab820b5e.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5B6E.tmp

Filesize
1KB

MD5
6e0578c6939e9ddc4aae094069539a6b

SHA1
b2ab65c026e6191108586e2f9ef1514b9ac20d2d

SHA256
85ff4abd487660b15479839c875c25da6e66648e05b58ab78036cfb2317bb6b1

SHA512
e0de50a093489dafecef947f77bcd612d0884eee913203d698adcf7f8b29deb6effd286c6af4e2833fc0fd4736e36f47812bb045d7477143ae85e882f292ff10

Download Submit
memory/1900-141-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1900-142-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/1900-143-0x0000000006780000-0x00000000067D0000-memory.dmp

Filesize
320KB

Download
memory/4956-132-0x0000000000BC0000-0x0000000000CB2000-memory.dmp

Filesize
968KB

Download
memory/4956-133-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/4956-134-0x0000000005700000-0x0000000005792000-memory.dmp

Filesize
584KB

Download
memory/4956-135-0x00000000057A0000-0x000000000583C000-memory.dmp

Filesize
624KB

Download
memory/4956-136-0x0000000005650000-0x000000000565A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads