agenttesla | 7ef6305262d67fa4e9550987d7b4f5ab5ca76b8833ef35c26f325b691d091837

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 09:09

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General

Target

FSCDL2407009-Debit Note.scr
Size

669KB
MD5

9f1263691f61af5eb7a7b8ad52134be2
SHA1

2fae8614a8c48b09140ad431d20c89ec0e6c70fa
SHA256

1736cd52fdc1deacedeac1de86d461ceb01c476e307520762b74b67ca8fa4b4b
SHA512

4b5de03719f4fcd7bc2cb94879589b605c8f95cb397bf4293c781ffdcb4e1b42953bea8da2474f73a2d4de162fcc4c11d9b99a15c9acb0ac233820bf9039594b
SSDEEP

12288:1z7kvDoQE2wD/Cv3BZCU30HapCU0q3ly+t/DlVUjaKPTUw79ylQ/ePooitapDcaJ:1zoXwDgZ/096v3UFPDw3goitapDcG

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:
BIGNAIRA2024
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
4608	powershell.exe
2224	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	FSCDL2407009-Debit Note.scr

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
18	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4852 set thread context of 1096	4852	FSCDL2407009-Debit Note.scr	97

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	FSCDL2407009-Debit Note.scr
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	RegSvcs.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
2036	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4852	FSCDL2407009-Debit Note.scr
4852	FSCDL2407009-Debit Note.scr
2224	powershell.exe
4608	powershell.exe
4852	FSCDL2407009-Debit Note.scr
1096	RegSvcs.exe
1096	RegSvcs.exe
2224	powershell.exe
4608	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4852	FSCDL2407009-Debit Note.scr
Token: SeDebugPrivilege	4608	powershell.exe
Token: SeDebugPrivilege	2224	powershell.exe
Token: SeDebugPrivilege	1096	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 4608	4852	FSCDL2407009-Debit Note.scr	91
PID 4852 wrote to memory of 4608	4852	FSCDL2407009-Debit Note.scr	91
PID 4852 wrote to memory of 4608	4852	FSCDL2407009-Debit Note.scr	91
PID 4852 wrote to memory of 2224	4852	FSCDL2407009-Debit Note.scr	93
PID 4852 wrote to memory of 2224	4852	FSCDL2407009-Debit Note.scr	93
PID 4852 wrote to memory of 2224	4852	FSCDL2407009-Debit Note.scr	93
PID 4852 wrote to memory of 2036	4852	FSCDL2407009-Debit Note.scr	94
PID 4852 wrote to memory of 2036	4852	FSCDL2407009-Debit Note.scr	94
PID 4852 wrote to memory of 2036	4852	FSCDL2407009-Debit Note.scr	94
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97
PID 4852 wrote to memory of 1096	4852	FSCDL2407009-Debit Note.scr	97

C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr
"C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4852
- 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\FSCDL2407009-Debit Note.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4608
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LpiosEmwQ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2224
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpiosEmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD47.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2036
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1096

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hfv5bxvx.oru.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAD47.tmp

Filesize
1KB

MD5
04e2ba0ce99e90563d3d692edb89c68a

SHA1
7f6caf0e01db48a3ebb71f6b59cdf0c1681c7404

SHA256
ec69a7f51f8954971a0970abd8b4fbef02de9df74ab8fcad4977652705dd24c2

SHA512
d2e43e66234be33d9ec5c987d38e9b25ee9d36329f586311079b0fce6b8ed41b99a004bc55f8ecf5a5a417e43b342bcbd4929e2a265f5c2608a7f3a9a98df9cf

Download Submit
memory/1096-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1096-86-0x0000000006330000-0x0000000006380000-memory.dmp

Filesize
320KB

Download
memory/2224-72-0x00000000076D0000-0x0000000007773000-memory.dmp

Filesize
652KB

Download
memory/2224-49-0x0000000006790000-0x00000000067DC000-memory.dmp

Filesize
304KB

Download
memory/2224-73-0x0000000008050000-0x00000000086CA000-memory.dmp

Filesize
6.5MB

Download
memory/2224-50-0x0000000007690000-0x00000000076C2000-memory.dmp

Filesize
200KB

Download
memory/2224-75-0x0000000007A80000-0x0000000007A8A000-memory.dmp

Filesize
40KB

Download
memory/2224-51-0x0000000075630000-0x000000007567C000-memory.dmp

Filesize
304KB

Download
memory/2224-61-0x0000000007670000-0x000000000768E000-memory.dmp

Filesize
120KB

Download
memory/2224-74-0x0000000007A10000-0x0000000007A2A000-memory.dmp

Filesize
104KB

Download
memory/2224-48-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/2224-46-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2224-30-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2224-19-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2224-79-0x0000000007C50000-0x0000000007C64000-memory.dmp

Filesize
80KB

Download
memory/2224-84-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4608-15-0x0000000002EC0000-0x0000000002EF6000-memory.dmp

Filesize
216KB

Download
memory/4608-35-0x0000000006120000-0x0000000006474000-memory.dmp

Filesize
3.3MB

Download
memory/4608-18-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4608-17-0x00000000059F0000-0x0000000006018000-memory.dmp

Filesize
6.2MB

Download
memory/4608-23-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/4608-22-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4608-21-0x00000000056E0000-0x0000000005702000-memory.dmp

Filesize
136KB

Download
memory/4608-76-0x0000000007D50000-0x0000000007DE6000-memory.dmp

Filesize
600KB

Download
memory/4608-16-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4608-85-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4608-81-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/4608-80-0x0000000007E10000-0x0000000007E2A000-memory.dmp

Filesize
104KB

Download
memory/4608-62-0x0000000075630000-0x000000007567C000-memory.dmp

Filesize
304KB

Download
memory/4608-78-0x0000000007D00000-0x0000000007D0E000-memory.dmp

Filesize
56KB

Download
memory/4608-77-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

Filesize
68KB

Download
memory/4852-47-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4852-5-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/4852-4-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4852-6-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/4852-7-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/4852-8-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4852-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/4852-9-0x00000000067C0000-0x0000000006842000-memory.dmp

Filesize
520KB

Download
memory/4852-10-0x0000000008E00000-0x0000000008E9C000-memory.dmp

Filesize
624KB

Download
memory/4852-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/4852-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/4852-1-0x0000000000700000-0x00000000007AC000-memory.dmp

Filesize
688KB

Download