agenttesla | ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee

General

Target

ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe
Size

3.3MB
MD5

37bbc0a6a399418331028aab64f4934b
SHA1

ab202974d765cd711cdb1174e06703e3e7f8f6fb
SHA256

ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee
SHA512

b9f170fe33ec79f6a4c9f0b01a0536a67cf4037957ae26a0523e461091f1cb7341b8f89ba8da46e189c1084503b854f8804dc230e844b6b5c50e4b132c740882
SSDEEP

24576:HQ2UiVzd4oKzRpnOQGOvP6Lryocw1N/qMJ:H+iVJ4oKnCr/d

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
phoenixblowers.com
Port:
587
Username:
[email protected]
Password:
Officeback@2022#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2820	regsvcs.exe
2820	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	regsvcs.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2820	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	30
PID 2688 wrote to memory of 2824	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	31
PID 2688 wrote to memory of 2824	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	31
PID 2688 wrote to memory of 2824	2688	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	31

C:\Users\Admin\AppData\Local\Temp\ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe
"C:\Users\Admin\AppData\Local\Temp\ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2688 -s 628
  2⤵
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2688-0-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

Filesize
4KB

Download
memory/2688-1-0x0000000000A40000-0x0000000000A48000-memory.dmp

Filesize
32KB

Download
memory/2688-2-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-3-0x000000001AC10000-0x000000001ACA4000-memory.dmp

Filesize
592KB

Download
memory/2688-21-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-20-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

Filesize
4KB

Download
memory/2820-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2820-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2820-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2820-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2820-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2820-18-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/2820-19-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2820-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2820-22-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/2820-23-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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