agenttesla | d206efa197f65a2c44bc15ce4be04cc9992bb40c2429be2adcce619821d3d618

Analysis

max time kernel
114s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 23:18

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General

Target

PO_20221101SOCE.exe
Size

511KB
MD5

2f259b98990203c13e030628dd73912d
SHA1

1784330a5e51e2996b620fabcd494e78b10d4f0e
SHA256

d206efa197f65a2c44bc15ce4be04cc9992bb40c2429be2adcce619821d3d618
SHA512

c0a3a1197801dc64ab842939c10f67550efb2a537b053b872197c206cb187bdeb3d770bd490201ad5059ad484688d13ba7b2beb7745dd7599be6a539091f808a
SSDEEP

6144:B6F5dsUtN2l/UESjCAByVQFVecWIwOyiYrwUiQMZIbRL4QaT5gWE5YTrT4VFABP5:8LWUPwyxWIN3YrwU1R8Qyg2wYheiBZ

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.code-jet.com
Port:
21
Username:
[email protected]
Password:
F$T3)1@zYr&V

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	CasPol.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
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5104 set thread context of 4928	5104	PO_20221101SOCE.exe	82

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
5104	PO_20221101SOCE.exe
5104	PO_20221101SOCE.exe
4928	CasPol.exe
4928	CasPol.exe
4928	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	PO_20221101SOCE.exe
Token: SeDebugPrivilege	4928	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4928	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82
PID 5104 wrote to memory of 4928	5104	PO_20221101SOCE.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\PO_20221101SOCE.exe
"C:\Users\Admin\AppData\Local\Temp\PO_20221101SOCE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4928-140-0x00000000054D0000-0x000000000556C000-memory.dmp

Filesize
624KB

Download
memory/4928-144-0x0000000006E00000-0x0000000006E0A000-memory.dmp

Filesize
40KB

Download
memory/4928-143-0x0000000006AF0000-0x0000000006B82000-memory.dmp

Filesize
584KB

Download
memory/4928-142-0x0000000006970000-0x00000000069C0000-memory.dmp

Filesize
320KB

Download
memory/4928-136-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4928-141-0x0000000006240000-0x00000000062A6000-memory.dmp

Filesize
408KB

Download
memory/4928-139-0x00000000059E0000-0x0000000005F84000-memory.dmp

Filesize
5.6MB

Download
memory/5104-134-0x0000021891320000-0x000002189133E000-memory.dmp

Filesize
120KB

Download
memory/5104-138-0x00007FFC484B0000-0x00007FFC48F71000-memory.dmp

Filesize
10.8MB

Download
memory/5104-132-0x000002188F620000-0x000002188F6A4000-memory.dmp

Filesize
528KB

Download
memory/5104-135-0x00007FFC484B0000-0x00007FFC48F71000-memory.dmp

Filesize
10.8MB

Download
memory/5104-133-0x00000218A9AB0000-0x00000218A9B26000-memory.dmp

Filesize
472KB

Download