agenttesla | 7ef6305262d67fa4e9550987d7b4f5ab5ca76b8833ef35c26f325b691d091837

Analysis

max time kernel
121s
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 19:08

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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
320	powershell.exe
1896	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-1-5-21-1194130065-3471212556-1656947724-1000\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
13	api.ipify.org
14	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3436 set thread context of 3940	3436	FSCDL2407009-Debit Note.scr	96

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
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3436	FSCDL2407009-Debit Note.scr
3436	FSCDL2407009-Debit Note.scr
320	powershell.exe
1896	powershell.exe
3436	FSCDL2407009-Debit Note.scr
1896	powershell.exe
320	powershell.exe
3940	RegSvcs.exe
3940	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3436	FSCDL2407009-Debit Note.scr
Token: SeDebugPrivilege	1896	powershell.exe
Token: SeDebugPrivilege	320	powershell.exe
Token: SeDebugPrivilege	3940	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 320	3436	FSCDL2407009-Debit Note.scr	90
PID 3436 wrote to memory of 320	3436	FSCDL2407009-Debit Note.scr	90
PID 3436 wrote to memory of 320	3436	FSCDL2407009-Debit Note.scr	90
PID 3436 wrote to memory of 1896	3436	FSCDL2407009-Debit Note.scr	92
PID 3436 wrote to memory of 1896	3436	FSCDL2407009-Debit Note.scr	92
PID 3436 wrote to memory of 1896	3436	FSCDL2407009-Debit Note.scr	92
PID 3436 wrote to memory of 2900	3436	FSCDL2407009-Debit Note.scr	94
PID 3436 wrote to memory of 2900	3436	FSCDL2407009-Debit Note.scr	94
PID 3436 wrote to memory of 2900	3436	FSCDL2407009-Debit Note.scr	94
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96
PID 3436 wrote to memory of 3940	3436	FSCDL2407009-Debit Note.scr	96

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:3436
- 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:320
- 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:1896
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpiosEmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1B5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2900
- 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:3940

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\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
c8e46f9f2030b82ad7287cd6ab6f9e8f

SHA1
aeadc3d67eb92a1d7871ff253569e5ee2db18059

SHA256
4bc25c7f3d63e95b1050d0f5f7f9e914689ac243756229e69577829c7e86dc90

SHA512
41a6c16b550fc5f14c453f8cea7ca755d5689afdb440f6b824577b3e74c2416337a2197a90c011641cacc07123028fd5b0b3d94644436a6244db22beb2637c50

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ua02rdnr.noy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE1B5.tmp

Filesize
1KB

MD5
5f68a3679796182d7bba472adc1132e2

SHA1
68614e3667d82b1e96e3e48af6619e67b612fe79

SHA256
f2c69c54dd970005643759d80e77e26fe4f7ee731cca5f186f9c76b9b2ccedd5

SHA512
037fb4e1311772e6845874e575d4be684d1c2dd27ba435b7e9a41bdf94706efc1e93180af78bb7d601a50bbd84de78f560f361fe7897c7bb3340cfb507b79d2e

Download Submit
memory/320-89-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/320-64-0x0000000074C90000-0x0000000074CDC000-memory.dmp

Filesize
304KB

Download
memory/320-21-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/320-47-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/320-45-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/320-20-0x0000000005730000-0x0000000005752000-memory.dmp

Filesize
136KB

Download
memory/320-22-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/320-15-0x00000000025C0000-0x00000000025F6000-memory.dmp

Filesize
216KB

Download
memory/320-16-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1896-24-0x0000000005690000-0x00000000059E4000-memory.dmp

Filesize
3.3MB

Download
memory/1896-78-0x0000000007220000-0x0000000007231000-memory.dmp

Filesize
68KB

Download
memory/1896-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1896-17-0x0000000004E00000-0x0000000005428000-memory.dmp

Filesize
6.2MB

Download
memory/1896-88-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1896-82-0x0000000007340000-0x0000000007348000-memory.dmp

Filesize
32KB

Download
memory/1896-25-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1896-81-0x0000000007360000-0x000000000737A000-memory.dmp

Filesize
104KB

Download
memory/1896-80-0x0000000007260000-0x0000000007274000-memory.dmp

Filesize
80KB

Download
memory/1896-79-0x0000000007250000-0x000000000725E000-memory.dmp

Filesize
56KB

Download
memory/1896-18-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/1896-77-0x00000000072A0000-0x0000000007336000-memory.dmp

Filesize
600KB

Download
memory/1896-76-0x00000000070A0000-0x00000000070AA000-memory.dmp

Filesize
40KB

Download
memory/1896-75-0x0000000007020000-0x000000000703A000-memory.dmp

Filesize
104KB

Download
memory/1896-50-0x0000000005D10000-0x0000000005D5C000-memory.dmp

Filesize
304KB

Download
memory/1896-49-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

Filesize
120KB

Download
memory/1896-51-0x0000000006C80000-0x0000000006CB2000-memory.dmp

Filesize
200KB

Download
memory/1896-52-0x0000000074C90000-0x0000000074CDC000-memory.dmp

Filesize
304KB

Download
memory/1896-62-0x0000000006C60000-0x0000000006C7E000-memory.dmp

Filesize
120KB

Download
memory/1896-63-0x0000000006CD0000-0x0000000006D73000-memory.dmp

Filesize
652KB

Download
memory/1896-74-0x0000000007670000-0x0000000007CEA000-memory.dmp

Filesize
6.5MB

Download
memory/3436-8-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-5-0x0000000005B30000-0x0000000005B3A000-memory.dmp

Filesize
40KB

Download
memory/3436-6-0x0000000005C00000-0x0000000005C10000-memory.dmp

Filesize
64KB

Download
memory/3436-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/3436-7-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/3436-48-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-4-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-10-0x0000000009600000-0x000000000969C000-memory.dmp

Filesize
624KB

Download
memory/3436-2-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/3436-3-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/3436-9-0x0000000006FD0000-0x0000000007052000-memory.dmp

Filesize
520KB

Download
memory/3436-1-0x0000000000F10000-0x0000000000FBC000-memory.dmp

Filesize
688KB

Download
memory/3940-44-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3940-90-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download