agenttesla | 76d52e7cebd696a4f8b379cb2737ad8b160d6bc688d833dd6fef2e0864d611ed

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
07/06/2024, 01:49

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General

Target

Automate Purchase orders88777.scr
Size

789KB
MD5

a426bc26980e0b4d8d8011053dd70487
SHA1

5723196f52f4c4d1840a442cfef4a1bd66b629e6
SHA256

f7d2f864f121f8a86c7bd403bd70d9f40bb0420415b542b45110a2d4b7daee13
SHA512

c2f078c94d213e95e47a0d6c483ec1c828cbced1a131992a974173ee2f270c6d93e89acb33856152751a0c3fb4d40c1f068c983fc7cf1d5f6e3da0c61de780cf
SSDEEP

24576:9BxC3c6baDp7xmOefWDNvZyrbfEZSJSugtY+VT:9DGO7xmOxIrbfMPugtY+VT

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.voivocars.com
Port:
587
Username:
[email protected]
Password:
ettyquest11
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
2632	powershell.exe
1800	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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	Automate Purchase orders88777.scr

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1132 set thread context of 4512	1132	Automate Purchase orders88777.scr	94

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.

persistence

Scheduled Task/Job

T1053

pid	Process
3392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2632	powershell.exe
1800	powershell.exe
4512	RegSvcs.exe
4512	RegSvcs.exe
2632	powershell.exe
1800	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	1800	powershell.exe
Token: SeDebugPrivilege	4512	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1800	1132	Automate Purchase orders88777.scr	88
PID 1132 wrote to memory of 1800	1132	Automate Purchase orders88777.scr	88
PID 1132 wrote to memory of 1800	1132	Automate Purchase orders88777.scr	88
PID 1132 wrote to memory of 2632	1132	Automate Purchase orders88777.scr	90
PID 1132 wrote to memory of 2632	1132	Automate Purchase orders88777.scr	90
PID 1132 wrote to memory of 2632	1132	Automate Purchase orders88777.scr	90
PID 1132 wrote to memory of 3392	1132	Automate Purchase orders88777.scr	92
PID 1132 wrote to memory of 3392	1132	Automate Purchase orders88777.scr	92
PID 1132 wrote to memory of 3392	1132	Automate Purchase orders88777.scr	92
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94
PID 1132 wrote to memory of 4512	1132	Automate Purchase orders88777.scr	94

C:\Users\Admin\AppData\Local\Temp\Automate Purchase orders88777.scr
"C:\Users\Admin\AppData\Local\Temp\Automate Purchase orders88777.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1132
- 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\Automate Purchase orders88777.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1800
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uxgfTKUoXK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uxgfTKUoXK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80C9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3392
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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
2801d7c42fff52c2d480b0f345304f75

SHA1
db1273f779730f805e7c8001ff3f32d1cd9f2ab2

SHA256
39a6651dbe4eac0ebcd85c36b85308129c441c0e59b6f778e3a02b2223aef940

SHA512
29ef9b0917af337c57e92eabcf7105016b3e1897c65802dc2cef9d3f8f481672fee6204df82d5997e7d5e99a8f01a5f00b777d06dcb46027d86fb71f61d6691b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y2u04txp.gvk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp80C9.tmp

Filesize
1KB

MD5
e610274911360776e4ce992cba61ea3b

SHA1
46272a7ba5bcb24539c8e61744822c609f36eb76

SHA256
de76ba4ee68d787291215040f1c98ada6bf853d30e261e0035aa8772657a094d

SHA512
700cccd4d4381af111ae44de5422f52ee1e9cc517555070a6a83587d365180bc7a035e9e2595d2e0e52454e2d55012d6afc07e4ffd277c78b85d9c89cbc68225

Download Submit
memory/1132-8-0x0000000006E50000-0x0000000006E60000-memory.dmp

Filesize
64KB

Download
memory/1132-5-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/1132-6-0x0000000006E10000-0x0000000006E26000-memory.dmp

Filesize
88KB

Download
memory/1132-7-0x0000000006E40000-0x0000000006E4E000-memory.dmp

Filesize
56KB

Download
memory/1132-4-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1132-9-0x0000000006EA0000-0x0000000006F22000-memory.dmp

Filesize
520KB

Download
memory/1132-10-0x00000000095F0000-0x000000000968C000-memory.dmp

Filesize
624KB

Download
memory/1132-3-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/1132-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/1132-37-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1132-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/1132-1-0x0000000000A40000-0x0000000000B0A000-memory.dmp

Filesize
808KB

Download
memory/1800-17-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-43-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-89-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-16-0x0000000004E80000-0x00000000054A8000-memory.dmp

Filesize
6.2MB

Download
memory/1800-82-0x0000000007190000-0x0000000007198000-memory.dmp

Filesize
32KB

Download
memory/1800-81-0x00000000071B0000-0x00000000071CA000-memory.dmp

Filesize
104KB

Download
memory/1800-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-15-0x0000000002240000-0x0000000002276000-memory.dmp

Filesize
216KB

Download
memory/1800-75-0x00000000074C0000-0x0000000007B3A000-memory.dmp

Filesize
6.5MB

Download
memory/1800-62-0x0000000075380000-0x00000000753CC000-memory.dmp

Filesize
304KB

Download
memory/1800-73-0x0000000006D40000-0x0000000006DE3000-memory.dmp

Filesize
652KB

Download
memory/2632-77-0x0000000007580000-0x0000000007616000-memory.dmp

Filesize
600KB

Download
memory/2632-63-0x0000000006F60000-0x0000000006F7E000-memory.dmp

Filesize
120KB

Download
memory/2632-22-0x0000000005990000-0x00000000059F6000-memory.dmp

Filesize
408KB

Download
memory/2632-20-0x0000000005110000-0x0000000005132000-memory.dmp

Filesize
136KB

Download
memory/2632-52-0x0000000075380000-0x00000000753CC000-memory.dmp

Filesize
304KB

Download
memory/2632-23-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/2632-76-0x0000000007370000-0x000000000737A000-memory.dmp

Filesize
40KB

Download
memory/2632-74-0x0000000007300000-0x000000000731A000-memory.dmp

Filesize
104KB

Download
memory/2632-51-0x0000000006F80000-0x0000000006FB2000-memory.dmp

Filesize
200KB

Download
memory/2632-50-0x0000000006070000-0x00000000060BC000-memory.dmp

Filesize
304KB

Download
memory/2632-78-0x0000000007500000-0x0000000007511000-memory.dmp

Filesize
68KB

Download
memory/2632-21-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/2632-80-0x0000000007540000-0x0000000007554000-memory.dmp

Filesize
80KB

Download
memory/2632-49-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

Filesize
120KB

Download
memory/2632-83-0x0000000007620000-0x0000000007628000-memory.dmp

Filesize
32KB

Download
memory/2632-35-0x0000000005A00000-0x0000000005D54000-memory.dmp

Filesize
3.3MB

Download
memory/2632-79-0x0000000007530000-0x000000000753E000-memory.dmp

Filesize
56KB

Download
memory/2632-90-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/2632-48-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/2632-36-0x0000000074B20000-0x00000000752D0000-memory.dmp

Filesize
7.7MB

Download
memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4512-91-0x0000000005FD0000-0x0000000006020000-memory.dmp

Filesize
320KB

Download