agenttesla | da3723cecfee4e8bf281a60ef8025ce18c9a7446ee4894934d4a1fd575620f30

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
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89

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	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4036	CasPol.exe
4036	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	CasPol.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 4036	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	89
PID 4020 wrote to memory of 3216	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	90
PID 4020 wrote to memory of 3216	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	90
PID 4020 wrote to memory of 3216	4020	ed70bf326cea089f65ec4d96d7874d8cb65f5ae5bb12bb66ff0e9f6b4bde78ee.exe	90

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:4020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4036
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:3216

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4128,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
1⤵
PID:1448

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/4020-9-0x00007FFA25480000-0x00007FFA25F41000-memory.dmp

Filesize
10.8MB

Download
memory/4020-1-0x00000220D3180000-0x00000220D3188000-memory.dmp

Filesize
32KB

Download
memory/4020-2-0x00007FFA25480000-0x00007FFA25F41000-memory.dmp

Filesize
10.8MB

Download
memory/4020-3-0x00000220D4D80000-0x00000220D4E14000-memory.dmp

Filesize
592KB

Download
memory/4020-0-0x00007FFA25483000-0x00007FFA25485000-memory.dmp

Filesize
8KB

Download
memory/4036-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4036-6-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/4036-8-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/4036-5-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/4036-7-0x00000000054F0000-0x0000000005556000-memory.dmp

Filesize
408KB

Download
memory/4036-10-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download
memory/4036-11-0x00000000069C0000-0x0000000006A5C000-memory.dmp

Filesize
624KB

Download
memory/4036-12-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/4036-13-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/4036-14-0x0000000006C00000-0x0000000006C92000-memory.dmp

Filesize
584KB

Download
memory/4036-15-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

Filesize
40KB

Download

Analysis

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