agenttesla | 8bb52d0be263f9a7841a7a7537f0ac85fe5fe4b5bcc87d94663dce56ebad90dd

Analysis

max time kernel
116s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 12:35

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General

Target

PO-3500036071.exe
Size

766KB
MD5

08de4a78faebb0c78f0b5e7eb8ff7ba9
SHA1

0fc42cffd7cad9b33c8deb3f5bb690486ea3794b
SHA256

8bb52d0be263f9a7841a7a7537f0ac85fe5fe4b5bcc87d94663dce56ebad90dd
SHA512

94af88f97cc70132714fa1c7b805e66105d1567e5bf60e318e1dceab65a6546371e0596bfcde270eab5517df7d06807c87cd8366082bbac2d595b2b938390d41
SSDEEP

12288:LBbDijRwxhRq9eCv+OJsVhoh/oROEZLvwA8B89/9JSmfsDhCr3z4fn2:LBbDc0C9er2sVTU8LIB8XJSW24r30

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
Asaprocky11
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1388	powershell.exe
1588	powershell.exe

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	PO-3500036071.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

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
20	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5060 set thread context of 4912	5060	PO-3500036071.exe	95

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	PO-3500036071.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-3500036071.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1388	powershell.exe
1588	powershell.exe
4912	PO-3500036071.exe
4912	PO-3500036071.exe
1388	powershell.exe
1588	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	powershell.exe
Token: SeDebugPrivilege	1588	powershell.exe
Token: SeDebugPrivilege	4912	PO-3500036071.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4912	PO-3500036071.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1388	5060	PO-3500036071.exe	89
PID 5060 wrote to memory of 1388	5060	PO-3500036071.exe	89
PID 5060 wrote to memory of 1388	5060	PO-3500036071.exe	89
PID 5060 wrote to memory of 1588	5060	PO-3500036071.exe	91
PID 5060 wrote to memory of 1588	5060	PO-3500036071.exe	91
PID 5060 wrote to memory of 1588	5060	PO-3500036071.exe	91
PID 5060 wrote to memory of 2760	5060	PO-3500036071.exe	93
PID 5060 wrote to memory of 2760	5060	PO-3500036071.exe	93
PID 5060 wrote to memory of 2760	5060	PO-3500036071.exe	93
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95
PID 5060 wrote to memory of 4912	5060	PO-3500036071.exe	95

C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe
"C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1388
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fdcTmYOb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fdcTmYOb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6C8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2760
- C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
de9ff6ba7819ca342df21f7d75069063

SHA1
06c48fd67b71aca1d18fa53cca6e9630c7f255ef

SHA256
6fa3f0b65a10a4c258b7ab514f92ab95708952599ff3f4bd184fa5f1fc623ec2

SHA512
b5e32dc4a4e5aeb2c01b37941a5d0fc8b4fad940c54bfb1071a362dc89519c99e6135f47899c5ada481f2076b876cfa5a3438727798d6fddf0686d8942b8d15f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3kw2xds.bzq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD6C8.tmp

Filesize
1KB

MD5
fb1aea0e854c8c94cb71d15dbb9d4c45

SHA1
a01c7b02559b36a37a23f53853afdd1be56a42d4

SHA256
d1a45be350fb38e2c0dc38285fe51bbb3a2a7912315ff082896e9ac6890d7570

SHA512
549ac454ca5983641c9683337c5a6de810cebb8aaad6898a92ccbe01ef5c82c8e202e95bafca9ae2523802f99123bcdfd660105e29f79d0581d9eb5c8f61664c

Download Submit
memory/1388-32-0x0000000005AC0000-0x0000000005B26000-memory.dmp

Filesize
408KB

Download
memory/1388-78-0x0000000007650000-0x00000000076E6000-memory.dmp

Filesize
600KB

Download
memory/1388-90-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1388-39-0x0000000005C30000-0x0000000005F84000-memory.dmp

Filesize
3.3MB

Download
memory/1388-83-0x00000000076F0000-0x00000000076F8000-memory.dmp

Filesize
32KB

Download
memory/1388-82-0x0000000007710000-0x000000000772A000-memory.dmp

Filesize
104KB

Download
memory/1388-81-0x0000000007610000-0x0000000007624000-memory.dmp

Filesize
80KB

Download
memory/1388-80-0x0000000007600000-0x000000000760E000-memory.dmp

Filesize
56KB

Download
memory/1388-16-0x0000000004AE0000-0x0000000004B16000-memory.dmp

Filesize
216KB

Download
memory/1388-17-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1388-18-0x0000000005150000-0x0000000005778000-memory.dmp

Filesize
6.2MB

Download
memory/1388-19-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1388-79-0x00000000075D0000-0x00000000075E1000-memory.dmp

Filesize
68KB

Download
memory/1388-50-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/1388-22-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1388-67-0x0000000007440000-0x000000000744A000-memory.dmp

Filesize
40KB

Download
memory/1388-24-0x0000000005910000-0x0000000005932000-memory.dmp

Filesize
136KB

Download
memory/1388-51-0x00000000060D0000-0x000000000611C000-memory.dmp

Filesize
304KB

Download
memory/1388-31-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/1388-66-0x00000000073D0000-0x00000000073EA000-memory.dmp

Filesize
104KB

Download
memory/1388-65-0x0000000007A10000-0x000000000808A000-memory.dmp

Filesize
6.5MB

Download
memory/1388-63-0x0000000006650000-0x000000000666E000-memory.dmp

Filesize
120KB

Download
memory/1388-64-0x0000000007280000-0x0000000007323000-memory.dmp

Filesize
652KB

Download
memory/1388-53-0x00000000757D0000-0x000000007581C000-memory.dmp

Filesize
304KB

Download
memory/1388-52-0x0000000007040000-0x0000000007072000-memory.dmp

Filesize
200KB

Download
memory/1588-20-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1588-68-0x00000000757D0000-0x000000007581C000-memory.dmp

Filesize
304KB

Download
memory/1588-89-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1588-25-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/1588-21-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4912-91-0x0000000006B40000-0x0000000006B90000-memory.dmp

Filesize
320KB

Download
memory/4912-37-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/5060-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/5060-4-0x0000000005800000-0x000000000580A000-memory.dmp

Filesize
40KB

Download
memory/5060-3-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/5060-5-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-11-0x0000000009AD0000-0x0000000009B6C000-memory.dmp

Filesize
624KB

Download
memory/5060-10-0x0000000007430000-0x00000000074B2000-memory.dmp

Filesize
520KB

Download
memory/5060-9-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-8-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/5060-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/5060-1-0x0000000000D50000-0x0000000000E16000-memory.dmp

Filesize
792KB

Download
memory/5060-6-0x0000000005D50000-0x0000000005DF0000-memory.dmp

Filesize
640KB

Download
memory/5060-49-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-7-0x0000000005A50000-0x0000000005A60000-memory.dmp

Filesize
64KB

Download