agenttesla | 3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 06:59

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General

Target

Ref_50102_607UU.exe
Size

823KB
MD5

2821589513c6dad441459f93bf319e63
SHA1

0830bda9d8c4324dadef074ab53dd388f8f68d06
SHA256

3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0
SHA512

6c2a37638e489c26c35d6cd65aa9a178ee34d69d6f36cea13040a4d8970eb8e644e6c4edbc54e7ce733aafe78aa11a3dc5a3eeba50c56073f128c6dbe8aa09a9
SSDEEP

12288:J6PpN6C39UD4981ekRIvwWzrfbGUEb67yTDaWJwkl6ZzSrhVROTKmEPpBkR:DCv9oe8WfTVE4yKmwizkEPm

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.libreriagandhi.cl
Port:
21
Username:
[email protected]
Password:
$yxZKP=c)$k#

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.libreriagandhi.cl
Port:
21
Username:
[email protected]
Password:
$yxZKP=c)$k#

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
4140	powershell.exe
3664	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Ref_50102_607UU.exe

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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
26	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4900 set thread context of 1860	4900	Ref_50102_607UU.exe	98

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	Ref_50102_607UU.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	Ref_50102_607UU.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
1164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4140	powershell.exe
3664	powershell.exe
1860	Ref_50102_607UU.exe
1860	Ref_50102_607UU.exe
3664	powershell.exe
4140	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	powershell.exe
Token: SeDebugPrivilege	4140	powershell.exe
Token: SeDebugPrivilege	1860	Ref_50102_607UU.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 3664	4900	Ref_50102_607UU.exe	92
PID 4900 wrote to memory of 3664	4900	Ref_50102_607UU.exe	92
PID 4900 wrote to memory of 3664	4900	Ref_50102_607UU.exe	92
PID 4900 wrote to memory of 4140	4900	Ref_50102_607UU.exe	94
PID 4900 wrote to memory of 4140	4900	Ref_50102_607UU.exe	94
PID 4900 wrote to memory of 4140	4900	Ref_50102_607UU.exe	94
PID 4900 wrote to memory of 1164	4900	Ref_50102_607UU.exe	96
PID 4900 wrote to memory of 1164	4900	Ref_50102_607UU.exe	96
PID 4900 wrote to memory of 1164	4900	Ref_50102_607UU.exe	96
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98
PID 4900 wrote to memory of 1860	4900	Ref_50102_607UU.exe	98

C:\Users\Admin\AppData\Local\Temp\Ref_50102_607UU.exe
"C:\Users\Admin\AppData\Local\Temp\Ref_50102_607UU.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900
- 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\Ref_50102_607UU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3664
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wvQCFzzEN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4140
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wvQCFzzEN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp51B5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1164
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607UU.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607UU.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1860

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

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
d9ceff838d286ceff5de85b168bf6bc8

SHA1
a1672c63431c44b2a1ee8e038c51b4c791d74410

SHA256
b61519fd5d55133b2a352d54d67b5bd8dc25ec7494f8960866e6d5e7da753d88

SHA512
bc942e6622f1ebb091e97c2754eab4e4ef466ec1f521bacb5919fc089c822a29971cfa13e1bc058c1213b97946e19b4cbaae86bf1e8a80604aa06ca25622ec06

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cwu0zosq.dfk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp51B5.tmp

Filesize
1KB

MD5
1c63d1aeb5ada347ea3d2fc97424780e

SHA1
33867c95e8919a5a486f05fc92fc8c2635d252b7

SHA256
2eba71768d79a63a2d6b4c78fdf9cfd4afb518acd4574bd057e298b8f0e4bab8

SHA512
c9165e9ce93cdafd648c881dd8ff533f1dc0f4c7fd2751c629bcd75dff39d8a8d0601653b55f272e51ec55620cfac53b9ccc2577227240cb91931f27958ac3da

Download Submit
memory/1860-79-0x00000000068A0000-0x00000000068F0000-memory.dmp

Filesize
320KB

Download
memory/1860-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3664-15-0x0000000004B90000-0x0000000004BC6000-memory.dmp

Filesize
216KB

Download
memory/3664-49-0x00000000060F0000-0x000000000610E000-memory.dmp

Filesize
120KB

Download
memory/3664-89-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-83-0x0000000007740000-0x0000000007748000-memory.dmp

Filesize
32KB

Download
memory/3664-80-0x0000000007650000-0x000000000765E000-memory.dmp

Filesize
56KB

Download
memory/3664-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-78-0x0000000007620000-0x0000000007631000-memory.dmp

Filesize
68KB

Download
memory/3664-17-0x0000000005200000-0x0000000005828000-memory.dmp

Filesize
6.2MB

Download
memory/3664-18-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-76-0x0000000007490000-0x000000000749A000-memory.dmp

Filesize
40KB

Download
memory/3664-75-0x0000000007420000-0x000000000743A000-memory.dmp

Filesize
104KB

Download
memory/3664-74-0x0000000007A60000-0x00000000080DA000-memory.dmp

Filesize
6.5MB

Download
memory/3664-73-0x00000000072E0000-0x0000000007383000-memory.dmp

Filesize
652KB

Download
memory/3664-63-0x00000000712C0000-0x000000007130C000-memory.dmp

Filesize
304KB

Download
memory/3664-24-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-50-0x0000000006200000-0x000000000624C000-memory.dmp

Filesize
304KB

Download
memory/4140-23-0x0000000005750000-0x00000000057B6000-memory.dmp

Filesize
408KB

Download
memory/4140-81-0x0000000007330000-0x0000000007344000-memory.dmp

Filesize
80KB

Download
memory/4140-90-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4140-27-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4140-82-0x0000000007430000-0x000000000744A000-memory.dmp

Filesize
104KB

Download
memory/4140-26-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4140-25-0x00000000057C0000-0x0000000005B14000-memory.dmp

Filesize
3.3MB

Download
memory/4140-52-0x00000000712C0000-0x000000007130C000-memory.dmp

Filesize
304KB

Download
memory/4140-51-0x0000000006D40000-0x0000000006D72000-memory.dmp

Filesize
200KB

Download
memory/4140-21-0x0000000005640000-0x0000000005662000-memory.dmp

Filesize
136KB

Download
memory/4140-62-0x0000000006D20000-0x0000000006D3E000-memory.dmp

Filesize
120KB

Download
memory/4140-22-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/4140-77-0x0000000007370000-0x0000000007406000-memory.dmp

Filesize
600KB

Download
memory/4140-20-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4900-6-0x00000000063D0000-0x00000000063E8000-memory.dmp

Filesize
96KB

Download
memory/4900-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/4900-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/4900-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

Filesize
584KB

Download
memory/4900-10-0x0000000006280000-0x000000000631C000-memory.dmp

Filesize
624KB

Download
memory/4900-5-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4900-48-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4900-9-0x0000000006010000-0x0000000006094000-memory.dmp

Filesize
528KB

Download
memory/4900-2-0x0000000005340000-0x00000000058E4000-memory.dmp

Filesize
5.6MB

Download
memory/4900-1-0x00000000002C0000-0x0000000000390000-memory.dmp

Filesize
832KB

Download
memory/4900-4-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/4900-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download