agenttesla | bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525

Resubmissions

30-12-2024 20:32

241230-zbentszpds 10

30-12-2024 01:08

241230-bheqeaspgq 10

Analysis

max time kernel
120s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 20:32

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General

Target

bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
Size

888KB
MD5

50ef833524f40313193c43aa22ea4337
SHA1

2ec051f7a5e426f8fde79c6e8a024d75ecb37b77
SHA256

bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525
SHA512

af7ce1951b304f1c68403e917da35fb81d90b9c11186a670545329506b9de1e61ddf205d390565ff37088a7cac5970428c25dd888fbf898ff7b44ddbd4743c3c
SSDEEP

24576:pc94WoM0KX0YFMr2vYUuq0je6m6Zk1yOA:aoM0+NFA2vUq0tbZk1tA

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6910306597:AAEAUkp7Cpp8wtAsVbSLLbKsT1WHgewNiok/

Signatures

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

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
1572	powershell.exe
4424	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.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 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DEpszDw = "C:\\Users\\Admin\\AppData\\Roaming\\DEpszDw\\DEpszDw.exe"	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
21	api.ipify.org
22	api.ipify.org
25	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
3596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
1572	powershell.exe
4424	powershell.exe
1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
4596	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
4596	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
1572	powershell.exe
4424	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
Token: SeDebugPrivilege	1572	powershell.exe
Token: SeDebugPrivilege	4424	powershell.exe
Token: SeDebugPrivilege	4596	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4596	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1572	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	85
PID 1708 wrote to memory of 1572	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	85
PID 1708 wrote to memory of 1572	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	85
PID 1708 wrote to memory of 4424	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	87
PID 1708 wrote to memory of 4424	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	87
PID 1708 wrote to memory of 4424	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	87
PID 1708 wrote to memory of 3596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	89
PID 1708 wrote to memory of 3596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	89
PID 1708 wrote to memory of 3596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	89
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91
PID 1708 wrote to memory of 4596	1708	bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe	91

C:\Users\Admin\AppData\Local\Temp\bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
"C:\Users\Admin\AppData\Local\Temp\bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe"
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:1708
- 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\bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1572
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XUOBkusy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4424
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XUOBkusy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD91A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3596
- C:\Users\Admin\AppData\Local\Temp\bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe
  "C:\Users\Admin\AppData\Local\Temp\bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4596

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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

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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
21f10da24953afeaa9f98d5e29f73f68

SHA1
2b3b483a39e34e49efac32d5aee1ea6b57c481a6

SHA256
8290eb596b5ab53585f1d94ffa630d245473d1960f494e1f851de518d7cb8d01

SHA512
c8906250d41faada3083df0120cdf47ec2f8009be5db936fa3110e0d6794a04efc1726d28c25919e771c208d75d80ef9956cfbb109e3c32bec707e13e5669720

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p12sifn5.mkx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD91A.tmp

Filesize
1KB

MD5
e6afd47e5e4fbcae9d6ca93fcb3ed061

SHA1
309a5c4c297c37ddda136785f9ce6f391a94a407

SHA256
bbb0a4e5d21f14065702e27b01badac4c6517e31ff8517c9b2e83115fbedaaab

SHA512
fdf9a31174aa7b64caff0b2c94ddbd85ce8d6ca5a477d3c88efea802df94f32e04d99d16457321ce3f0f63a834a3f9f18f20abdc3494d84e00af3fd7688da594

Download Submit
memory/1572-22-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/1572-21-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/1572-75-0x00000000079B0000-0x00000000079CA000-memory.dmp

Filesize
104KB

Download
memory/1572-88-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1572-79-0x0000000007BE0000-0x0000000007BEE000-memory.dmp

Filesize
56KB

Download
memory/1572-80-0x0000000007BF0000-0x0000000007C04000-memory.dmp

Filesize
80KB

Download
memory/1572-50-0x00000000068B0000-0x00000000068FC000-memory.dmp

Filesize
304KB

Download
memory/1572-15-0x0000000002DC0000-0x0000000002DF6000-memory.dmp

Filesize
216KB

Download
memory/1572-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1572-17-0x0000000005900000-0x0000000005F28000-memory.dmp

Filesize
6.2MB

Download
memory/1572-49-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/1572-18-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1572-82-0x0000000007CD0000-0x0000000007CD8000-memory.dmp

Filesize
32KB

Download
memory/1572-62-0x0000000075580000-0x00000000755CC000-memory.dmp

Filesize
304KB

Download
memory/1572-29-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1572-20-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/1708-3-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/1708-1-0x0000000000B10000-0x0000000000BF2000-memory.dmp

Filesize
904KB

Download
memory/1708-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/1708-48-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1708-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/1708-7-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/1708-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1708-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/1708-10-0x000000000AC60000-0x000000000ACFC000-memory.dmp

Filesize
624KB

Download
memory/1708-9-0x00000000084B0000-0x0000000008534000-memory.dmp

Filesize
528KB

Download
memory/1708-8-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1708-6-0x00000000080C0000-0x00000000080D0000-memory.dmp

Filesize
64KB

Download
memory/4424-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4424-51-0x00000000076C0000-0x00000000076F2000-memory.dmp

Filesize
200KB

Download
memory/4424-72-0x00000000076A0000-0x00000000076BE000-memory.dmp

Filesize
120KB

Download
memory/4424-74-0x0000000007E90000-0x000000000850A000-memory.dmp

Filesize
6.5MB

Download
memory/4424-76-0x00000000078C0000-0x00000000078CA000-memory.dmp

Filesize
40KB

Download
memory/4424-77-0x0000000007AD0000-0x0000000007B66000-memory.dmp

Filesize
600KB

Download
memory/4424-78-0x0000000007A50000-0x0000000007A61000-memory.dmp

Filesize
68KB

Download
memory/4424-73-0x0000000007700000-0x00000000077A3000-memory.dmp

Filesize
652KB

Download
memory/4424-52-0x0000000075580000-0x00000000755CC000-memory.dmp

Filesize
304KB

Download
memory/4424-81-0x0000000007B90000-0x0000000007BAA000-memory.dmp

Filesize
104KB

Download
memory/4424-47-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4424-31-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4424-32-0x00000000060A0000-0x00000000063F4000-memory.dmp

Filesize
3.3MB

Download
memory/4424-89-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4596-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4596-91-0x0000000006A90000-0x0000000006AE0000-memory.dmp

Filesize
320KB

Download