agenttesla | fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4

Analysis

max time kernel
127s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 01:39

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General

Target

fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
Size

626KB
MD5

f344a454d4cb1d1e01da2e2c080dac29
SHA1

3936c488c511a6ca05b992fda487ce5e971e57a0
SHA256

fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4
SHA512

2c71626ff41eac134c6f071c8ce124de87f46ec27ba4075bc452a80d4992688bbd7e056af74b8ab43d623dbea05de8311d76562216a7cc3f20467cfe22677f8d
SSDEEP

12288:DHWZ0mNke8OvXWRA64zeEZgrJckmzDQVpOOn99zgL3qF0KsUvwiqk8:D2DV+EzepS/DQVpQMsUvwRH

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.horizongroup.com.bd
Port:
587
Username:
[email protected]
Password:
horizon@%%%5
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 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3600	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe

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
22	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93

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 4 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	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.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
3688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
3348	RegSvcs.exe
3348	RegSvcs.exe
3600	powershell.exe
3600	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
Token: SeDebugPrivilege	3600	powershell.exe
Token: SeDebugPrivilege	3348	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3348	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 3600	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	89
PID 2328 wrote to memory of 3600	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	89
PID 2328 wrote to memory of 3600	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	89
PID 2328 wrote to memory of 3688	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	91
PID 2328 wrote to memory of 3688	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	91
PID 2328 wrote to memory of 3688	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	91
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93
PID 2328 wrote to memory of 3348	2328	fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe	93

C:\Users\Admin\AppData\Local\Temp\fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.exe
"C:\Users\Admin\AppData\Local\Temp\fd4ca109bbafcc509f99cea673648c2baa6934e9eb9a903b0c24c2e7f84d56c4.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:2328
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PCTbKNp.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3600
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PCTbKNp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3688
- 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
  - Suspicious use of SetWindowsHookEx
  PID:3348

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ryrdprvm.iq2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp

Filesize
1KB

MD5
325e2aab9102e36e67c0c4a620ecfcc7

SHA1
5102dfcba258138bced1d0e3611e6c5a06aa4c16

SHA256
18cc8fd5c34840528a758c0c574d83aa540bdfb5b447af155297fd771b7f7da0

SHA512
19d5b6d5f1e645a98e3f2a422a20443dce3cc42321fd1343675b48fe6b306e6377c041dab87b0c01c9110cde3a32ee4c765954269d8aec79c0247c54869ccadd

Download Submit
memory/2328-5-0x0000000004C60000-0x0000000004C6A000-memory.dmp

Filesize
40KB

Download
memory/2328-1-0x0000000000120000-0x00000000001C2000-memory.dmp

Filesize
648KB

Download
memory/2328-4-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/2328-25-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/2328-6-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/2328-7-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/2328-8-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/2328-9-0x0000000006680000-0x0000000006702000-memory.dmp

Filesize
520KB

Download
memory/2328-10-0x0000000008D10000-0x0000000008DAC000-memory.dmp

Filesize
624KB

Download
memory/2328-3-0x0000000004BA0000-0x0000000004C32000-memory.dmp

Filesize
584KB

Download
memory/2328-0-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/2328-2-0x0000000005050000-0x00000000055F4000-memory.dmp

Filesize
5.6MB

Download
memory/3348-54-0x0000000006E90000-0x0000000006EE0000-memory.dmp

Filesize
320KB

Download
memory/3348-67-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-26-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3348-23-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-24-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/3600-28-0x0000000005350000-0x00000000053B6000-memory.dmp

Filesize
408KB

Download
memory/3600-53-0x0000000006C20000-0x0000000006CC3000-memory.dmp

Filesize
652KB

Download
memory/3600-18-0x0000000004B00000-0x0000000005128000-memory.dmp

Filesize
6.2MB

Download
memory/3600-27-0x00000000052B0000-0x00000000052D2000-memory.dmp

Filesize
136KB

Download
memory/3600-19-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-34-0x0000000005430000-0x0000000005784000-memory.dmp

Filesize
3.3MB

Download
memory/3600-39-0x0000000005A50000-0x0000000005A6E000-memory.dmp

Filesize
120KB

Download
memory/3600-40-0x0000000005AF0000-0x0000000005B3C000-memory.dmp

Filesize
304KB

Download
memory/3600-41-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

Filesize
200KB

Download
memory/3600-52-0x0000000006C00000-0x0000000006C1E000-memory.dmp

Filesize
120KB

Download
memory/3600-42-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

Filesize
304KB

Download
memory/3600-20-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-16-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-55-0x00000000073B0000-0x0000000007A2A000-memory.dmp

Filesize
6.5MB

Download
memory/3600-56-0x0000000006D70000-0x0000000006D8A000-memory.dmp

Filesize
104KB

Download
memory/3600-57-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

Filesize
40KB

Download
memory/3600-58-0x0000000006FF0000-0x0000000007086000-memory.dmp

Filesize
600KB

Download
memory/3600-59-0x0000000006F70000-0x0000000006F81000-memory.dmp

Filesize
68KB

Download
memory/3600-60-0x0000000006FA0000-0x0000000006FAE000-memory.dmp

Filesize
56KB

Download
memory/3600-61-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

Filesize
80KB

Download
memory/3600-62-0x00000000070B0000-0x00000000070CA000-memory.dmp

Filesize
104KB

Download
memory/3600-63-0x0000000007090000-0x0000000007098000-memory.dmp

Filesize
32KB

Download
memory/3600-66-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-15-0x0000000004490000-0x00000000044C6000-memory.dmp

Filesize
216KB

Download