agenttesla | b526ee0de0fac93563730dfd03d7c647f658db2ef54b327a2c8f85e7fab04755 | Triage

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2023 13:04

Sharing

Report Analysis Logs

General

Target

fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
Size

575KB
MD5

0dffc7074ad574b0748ef8e60a52f068
SHA1

6c573e941701381625d10817496632994c83fd11
SHA256

fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190
SHA512

0450dfc3562b3484c2482f44e1180e53cf6c6cee2cc93ad8ab6c723c6f7daf08ecc673b046feab6ecf30a5919c6a7a7c288d309f5ef43b585bd6f1e71658661b
SSDEEP

12288:b37s93Kd3l4IrCUJQs7pBuguvAAuvjMHIzgzX0cGW:r7s96x+IrClPj9j

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
kV$bSqJ1 daniel
Email To:
[email protected]

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

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.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
59	api.ipify.org
60	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4988 set thread context of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102

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

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.

Scheduled Task/Job

pid	Process
4152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
4880	powershell.exe
4880	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
Token: SeDebugPrivilege	4880	powershell.exe
Token: SeDebugPrivilege	4932	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 4880	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	97
PID 4988 wrote to memory of 4880	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	97
PID 4988 wrote to memory of 4880	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	97
PID 4988 wrote to memory of 4152	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	99
PID 4988 wrote to memory of 4152	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	99
PID 4988 wrote to memory of 4152	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	99
PID 4988 wrote to memory of 2140	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	101
PID 4988 wrote to memory of 2140	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	101
PID 4988 wrote to memory of 2140	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	101
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102
PID 4988 wrote to memory of 4932	4988	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe

C:\Users\Admin\AppData\Local\Temp\fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
"C:\Users\Admin\AppData\Local\Temp\fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kWbKwRQqX.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4880
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kWbKwRQqX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1C5D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4152
- C:\Users\Admin\AppData\Local\Temp\fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
  "C:\Users\Admin\AppData\Local\Temp\fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe"
  2⤵
  PID:2140
- C:\Users\Admin\AppData\Local\Temp\fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe
  "C:\Users\Admin\AppData\Local\Temp\fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information 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\fb1c133bb4d681619adff92051b62f07da505ca6f15906b4fbb125bd65b1f190.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oumlmrbh.cau.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1C5D.tmp

Filesize
1KB

MD5
9eaee3a117df78e32bb9a99ed52a26bb

SHA1
57f5d3011b5ac63e60edb4b0f7ab477873138009

SHA256
742e1f055b02bd32a476e158ac001f5e352a21efa7565b72621e54d19ae4908c

SHA512
c117e7cc680f4fe2353ac3b60b1d022c8a0b6a65dca3f184402855d47c8297375f08693b57b200b218facabb1e4bbd2d24c774389cd938e5dd884512c80a13b5

Download Submit
memory/4880-28-0x00000000055B0000-0x00000000055D2000-memory.dmp

Filesize
136KB

Download
memory/4880-65-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4880-74-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4880-71-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/4880-70-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

Filesize
32KB

Download
memory/4880-69-0x0000000007CD0000-0x0000000007CEA000-memory.dmp

Filesize
104KB

Download
memory/4880-41-0x0000000006670000-0x000000000668E000-memory.dmp

Filesize
120KB

Download
memory/4880-67-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/4880-68-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

Filesize
80KB

Download
memory/4880-16-0x0000000002D20000-0x0000000002D56000-memory.dmp

Filesize
216KB

Download
memory/4880-66-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

Filesize
56KB

Download
memory/4880-42-0x00000000066A0000-0x00000000066EC000-memory.dmp

Filesize
304KB

Download
memory/4880-20-0x0000000005970000-0x0000000005F98000-memory.dmp

Filesize
6.2MB

Download
memory/4880-45-0x0000000006C60000-0x0000000006C92000-memory.dmp

Filesize
200KB

Download
memory/4880-21-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/4880-19-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/4880-64-0x0000000007BA0000-0x0000000007BB1000-memory.dmp

Filesize
68KB

Download
memory/4880-63-0x0000000007C00000-0x0000000007C96000-memory.dmp

Filesize
600KB

Download
memory/4880-60-0x00000000079F0000-0x00000000079FA000-memory.dmp

Filesize
40KB

Download
memory/4880-59-0x0000000007980000-0x000000000799A000-memory.dmp

Filesize
104KB

Download
memory/4880-40-0x0000000006080000-0x00000000063D4000-memory.dmp

Filesize
3.3MB

Download
memory/4880-30-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/4880-58-0x0000000007FC0000-0x000000000863A000-memory.dmp

Filesize
6.5MB

Download
memory/4880-57-0x0000000007850000-0x00000000078F3000-memory.dmp

Filesize
652KB

Download
memory/4880-56-0x0000000006C10000-0x0000000006C2E000-memory.dmp

Filesize
120KB

Download
memory/4880-46-0x0000000070960000-0x00000000709AC000-memory.dmp

Filesize
304KB

Download
memory/4880-18-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4880-43-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/4932-22-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4932-62-0x0000000006E00000-0x0000000006FC2000-memory.dmp

Filesize
1.8MB

Download
memory/4932-29-0x0000000004D90000-0x0000000004DF6000-memory.dmp

Filesize
408KB

Download
memory/4932-76-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4932-75-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4932-27-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4932-26-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4932-61-0x0000000006BE0000-0x0000000006C30000-memory.dmp

Filesize
320KB

Download
memory/4988-4-0x0000000005810000-0x0000000005820000-memory.dmp

Filesize
64KB

Download
memory/4988-25-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4988-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/4988-9-0x00000000057F0000-0x0000000005800000-memory.dmp

Filesize
64KB

Download
memory/4988-3-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/4988-11-0x00000000094A0000-0x000000000953C000-memory.dmp

Filesize
624KB

Download
memory/4988-10-0x0000000006E50000-0x0000000006EBA000-memory.dmp

Filesize
424KB

Download
memory/4988-8-0x0000000005810000-0x0000000005820000-memory.dmp

Filesize
64KB

Download
memory/4988-7-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4988-6-0x00000000057C0000-0x00000000057D8000-memory.dmp

Filesize
96KB

Download
memory/4988-5-0x00000000056D0000-0x00000000056DA000-memory.dmp

Filesize
40KB

Download
memory/4988-0-0x0000000074CE0000-0x0000000075490000-memory.dmp

Filesize
7.7MB

Download
memory/4988-1-0x0000000000B90000-0x0000000000C26000-memory.dmp

Filesize
600KB

Download