agenttesla | dfbeba838a8f0ab768d8ee8c1f06294e3d69670d187b3244614669f95c86b12a

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 08:08

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General

Target

GH987667890000.exe
Size

788KB
MD5

13056701d66cd5f352657bc21e9a4b2e
SHA1

cc16cbd465b2cf203644de3c76934f6a030e3f74
SHA256

9e30a7dadfe8f7f35f91d06fb067875d0eb96c2ffe210636505f4ed9b49b8593
SHA512

d56fd29326cb69716c6b5284335ebf574cc9ce58678c0aa0627926e605e5916df1466435c1dd5a11974d5b8a09e4968b337ea57e2b862ade2846b8de79315694
SSDEEP

12288:ujSXMDXK+HgGy4JAru9X57VQ6CcPB3fQ/XfVP7kkPNpz94RuCxB6A7N5R:PcDXBAl4e6V5BzPBWP9X9LG6A7Nb

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.antoniomayol.com
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

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
2752	powershell.exe
3960	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	GH987667890000.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

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
23	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 1056	1932	GH987667890000.exe	95

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	GH987667890000.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	GH987667890000.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
3140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2752	powershell.exe
3960	powershell.exe
1932	GH987667890000.exe
1932	GH987667890000.exe
2752	powershell.exe
3960	powershell.exe
1056	GH987667890000.exe
1056	GH987667890000.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	3960	powershell.exe
Token: SeDebugPrivilege	1932	GH987667890000.exe
Token: SeDebugPrivilege	1056	GH987667890000.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2752	1932	GH987667890000.exe	87
PID 1932 wrote to memory of 2752	1932	GH987667890000.exe	87
PID 1932 wrote to memory of 2752	1932	GH987667890000.exe	87
PID 1932 wrote to memory of 3960	1932	GH987667890000.exe	89
PID 1932 wrote to memory of 3960	1932	GH987667890000.exe	89
PID 1932 wrote to memory of 3960	1932	GH987667890000.exe	89
PID 1932 wrote to memory of 3140	1932	GH987667890000.exe	91
PID 1932 wrote to memory of 3140	1932	GH987667890000.exe	91
PID 1932 wrote to memory of 3140	1932	GH987667890000.exe	91
PID 1932 wrote to memory of 2464	1932	GH987667890000.exe	94
PID 1932 wrote to memory of 2464	1932	GH987667890000.exe	94
PID 1932 wrote to memory of 2464	1932	GH987667890000.exe	94
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95
PID 1932 wrote to memory of 1056	1932	GH987667890000.exe	95

C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe
"C:\Users\Admin\AppData\Local\Temp\GH987667890000.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:1932
- 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\GH987667890000.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xIXhmiLVmuR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3960
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xIXhmiLVmuR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DB7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3140
- C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe
  "C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe"
  2⤵
  PID:2464
- C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe
  "C:\Users\Admin\AppData\Local\Temp\GH987667890000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1056

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

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r20k1dhi.vmf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9DB7.tmp

Filesize
1KB

MD5
5a646a4675240a1f03ff8be296ba5ad4

SHA1
c39459503f41d5e2eae7c907c387d33c194fd3a1

SHA256
e44de623e0b27a344409dd5881357423b20ec7bfddee99982db257135dd5f727

SHA512
a1512033c40acbee24f92c9cf173502431bf3c77911c9d1a1262148b3385409dc333f33d512e62ca2a5895ea276ff3e997cfc43add11da1f9ca03b6372de19fc

Download Submit
memory/1056-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1056-87-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/1932-4-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1932-5-0x0000000005990000-0x000000000599A000-memory.dmp

Filesize
40KB

Download
memory/1932-6-0x0000000005E50000-0x0000000005E6E000-memory.dmp

Filesize
120KB

Download
memory/1932-7-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/1932-8-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1932-9-0x0000000003150000-0x00000000031D4000-memory.dmp

Filesize
528KB

Download
memory/1932-10-0x000000000C850000-0x000000000C8EC000-memory.dmp

Filesize
624KB

Download
memory/1932-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/1932-3-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/1932-48-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/1932-2-0x0000000005E70000-0x0000000006414000-memory.dmp

Filesize
5.6MB

Download
memory/1932-1-0x0000000000E20000-0x0000000000EEC000-memory.dmp

Filesize
816KB

Download
memory/2752-15-0x0000000004590000-0x00000000045C6000-memory.dmp

Filesize
216KB

Download
memory/2752-51-0x0000000006120000-0x0000000006152000-memory.dmp

Filesize
200KB

Download
memory/2752-16-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/2752-24-0x0000000005550000-0x00000000055B6000-memory.dmp

Filesize
408KB

Download
memory/2752-23-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/2752-22-0x0000000004BC0000-0x0000000004BE2000-memory.dmp

Filesize
136KB

Download
memory/2752-86-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/2752-36-0x00000000055C0000-0x0000000005914000-memory.dmp

Filesize
3.3MB

Download
memory/2752-19-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/2752-18-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/2752-17-0x0000000004C50000-0x0000000005278000-memory.dmp

Filesize
6.2MB

Download
memory/2752-49-0x0000000005B40000-0x0000000005B5E000-memory.dmp

Filesize
120KB

Download
memory/2752-50-0x0000000005BD0000-0x0000000005C1C000-memory.dmp

Filesize
304KB

Download
memory/2752-81-0x00000000071C0000-0x00000000071DA000-memory.dmp

Filesize
104KB

Download
memory/2752-52-0x00000000710D0000-0x000000007111C000-memory.dmp

Filesize
304KB

Download
memory/2752-80-0x00000000070C0000-0x00000000070D4000-memory.dmp

Filesize
80KB

Download
memory/2752-72-0x0000000006160000-0x000000000617E000-memory.dmp

Filesize
120KB

Download
memory/2752-78-0x0000000007080000-0x0000000007091000-memory.dmp

Filesize
68KB

Download
memory/2752-77-0x0000000007100000-0x0000000007196000-memory.dmp

Filesize
600KB

Download
memory/3960-75-0x0000000007470000-0x000000000748A000-memory.dmp

Filesize
104KB

Download
memory/3960-76-0x00000000074E0000-0x00000000074EA000-memory.dmp

Filesize
40KB

Download
memory/3960-74-0x0000000007AB0000-0x000000000812A000-memory.dmp

Filesize
6.5MB

Download
memory/3960-73-0x0000000007130000-0x00000000071D3000-memory.dmp

Filesize
652KB

Download
memory/3960-79-0x00000000076A0000-0x00000000076AE000-memory.dmp

Filesize
56KB

Download
memory/3960-21-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/3960-82-0x0000000007790000-0x0000000007798000-memory.dmp

Filesize
32KB

Download
memory/3960-53-0x00000000710D0000-0x000000007111C000-memory.dmp

Filesize
304KB

Download
memory/3960-85-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/3960-20-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/3960-25-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download