agenttesla | 407845005e74c5321a626668d9bfa35f57332328e7e7ac76fd06523d90a4e20d

Analysis

max time kernel
84s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2022 02:33

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General

Target

NO120220.exe
Size

9KB
MD5

f957c21bba09b850253f5e234eaee672
SHA1

c2d6e245c356291a4a500453555ebf6f8136519b
SHA256

407845005e74c5321a626668d9bfa35f57332328e7e7ac76fd06523d90a4e20d
SHA512

2844c357911bcb0f1cc5d8f9f5bc0243d7d3418dabe43429a2da8b1dc67dbd73bbcb4fc0105127d0fb4a93a2a41fbc917644ff931245cba146f78d3f8d33c5eb
SSDEEP

192:NDWHDqno3KtoLmPbOw9QYYcQdi8stYcFmVc03KY:NDW+noZLmjOwIcKiptYcFmVc03K

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://192.3.223.202
Port:
21
Username:
ftplogs
Password:
sPkZ7jK7P6aA

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	NO120220.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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NO120220.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NO120220.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NO120220.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ynsdv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Lbplvdkl\\Ynsdv.exe\""	NO120220.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
87	api.ipify.org
88	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 2252	1232	NO120220.exe	91

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4656	powershell.exe
4656	powershell.exe
2252	NO120220.exe
2252	NO120220.exe
2252	NO120220.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2252	NO120220.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1232	NO120220.exe
Token: SeDebugPrivilege	4656	powershell.exe
Token: SeDebugPrivilege	2252	NO120220.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2252	NO120220.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 4656	1232	NO120220.exe	82
PID 1232 wrote to memory of 4656	1232	NO120220.exe	82
PID 1232 wrote to memory of 4656	1232	NO120220.exe	82
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91
PID 1232 wrote to memory of 2252	1232	NO120220.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NO120220.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NO120220.exe

C:\Users\Admin\AppData\Local\Temp\NO120220.exe
"C:\Users\Admin\AppData\Local\Temp\NO120220.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4656
- C:\Users\Admin\AppData\Local\Temp\NO120220.exe
  C:\Users\Admin\AppData\Local\Temp\NO120220.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2252

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NO120220.exe.log

Filesize
1KB

MD5
ef95a426c7cadbe261c528f59813e6ab

SHA1
5edc710e2a90db2d262dd4d10d6f09d20e823007

SHA256
b481e9bf0515a6beb15cb252f60847275d978eba72691d5d8fa1c6a79b5cda9a

SHA512
53039306141608f7a606a1500f61193be16e97e53724b0d76721106c8dc7a5a8406c96019b9c32d0800d011bd2e55f46d34d2d74ed9b2661c7e006e329c45180

Download Submit
memory/1232-174-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-138-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-178-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-136-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-180-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-140-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-142-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-144-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-146-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-148-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-150-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-152-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-154-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-156-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-158-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-188-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-162-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-164-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-166-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-168-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-170-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-172-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-176-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-132-0x0000000000870000-0x0000000000878000-memory.dmp

Filesize
32KB

Download
memory/1232-133-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-134-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-160-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-186-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-184-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-190-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-182-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-192-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-194-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-196-0x0000000008CD0000-0x0000000008D11000-memory.dmp

Filesize
260KB

Download
memory/1232-6463-0x0000000006B90000-0x0000000006BB2000-memory.dmp

Filesize
136KB

Download
memory/1232-6472-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/1232-6473-0x000000000A060000-0x000000000A604000-memory.dmp

Filesize
5.6MB

Download
memory/2252-6480-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

Filesize
40KB

Download
memory/2252-6477-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2252-6478-0x0000000005730000-0x00000000057CC000-memory.dmp

Filesize
624KB

Download
memory/2252-6479-0x0000000006EE0000-0x0000000006F30000-memory.dmp

Filesize
320KB

Download
memory/4656-6465-0x0000000004650000-0x0000000004686000-memory.dmp

Filesize
216KB

Download
memory/4656-6466-0x0000000004E60000-0x0000000005488000-memory.dmp

Filesize
6.2MB

Download
memory/4656-6468-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/4656-6467-0x0000000004CF0000-0x0000000004D56000-memory.dmp

Filesize
408KB

Download
memory/4656-6469-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

Filesize
120KB

Download
memory/4656-6470-0x0000000007470000-0x0000000007AEA000-memory.dmp

Filesize
6.5MB

Download
memory/4656-6471-0x00000000060F0000-0x000000000610A000-memory.dmp

Filesize
104KB

Download