agenttesla | f7fb8b6e095481be00834aafa1bc60d64e3d781e857c4c9f5b27dea5953d6ad4

Analysis

max time kernel
93s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 01:09

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General

Target

DSFRT987600000.exe
Size

812KB
MD5

ca698d84fc93036b8e8269a173380448
SHA1

233c29bb87c7ee1d252854dc90a8dbbf9f6e5d76
SHA256

6a31f54219ee0ddbfcb2aa841f922d48a849b1b047b8693ff8c2faad2ab8fac4
SHA512

e1cd052c2d442437eab1fd57d5b357c915669f18d5b4cc04bc49543301990f2bb955673c4ef97e746e7b2cab9faa9ac10930043918a8c1a420141de989427bec
SSDEEP

24576:WTCBK8jt7SS2KlHSSpKycXXb7xJFIun8LuUWPLy:WslXKp7nd8iJLy

Score

10^/10

agenttesla 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
3488	powershell.exe
3956	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-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\International\Geo\Nation	DSFRT987600000.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 2 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

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
10	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3252 set thread context of 528	3252	DSFRT987600000.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
2300	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3488	powershell.exe
3956	powershell.exe
528	DSFRT987600000.exe
528	DSFRT987600000.exe
3488	powershell.exe
3956	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	powershell.exe
Token: SeDebugPrivilege	3956	powershell.exe
Token: SeDebugPrivilege	528	DSFRT987600000.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 3488	3252	DSFRT987600000.exe	84
PID 3252 wrote to memory of 3488	3252	DSFRT987600000.exe	84
PID 3252 wrote to memory of 3488	3252	DSFRT987600000.exe	84
PID 3252 wrote to memory of 3956	3252	DSFRT987600000.exe	86
PID 3252 wrote to memory of 3956	3252	DSFRT987600000.exe	86
PID 3252 wrote to memory of 3956	3252	DSFRT987600000.exe	86
PID 3252 wrote to memory of 2300	3252	DSFRT987600000.exe	88
PID 3252 wrote to memory of 2300	3252	DSFRT987600000.exe	88
PID 3252 wrote to memory of 2300	3252	DSFRT987600000.exe	88
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90
PID 3252 wrote to memory of 528	3252	DSFRT987600000.exe	90

C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
"C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3252
- 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\DSFRT987600000.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DJtbLbV.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DJtbLbV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD542.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2300
- C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe
  "C:\Users\Admin\AppData\Local\Temp\DSFRT987600000.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:528

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
ba92cf6e2cf8eac12ad131dc404eeae7

SHA1
0b769578fb98d7b2a240500d906a54e47b37f728

SHA256
99850ce472f55ff486665a389a5aa555a68d70e6c3646f801a2f3a52145b1013

SHA512
71263ba54a3ae2b68963e5f8556d8ffdc4de5cc1f5085bad59859d6a5c5db4d64eb89be39b132a6a1e0099f7e79f8601f64e43c6e2a24f4b792db7a03c00c3eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tqgb0lbm.agv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD542.tmp

Filesize
1KB

MD5
4c1658b8b12c2c16dbc0e4a8bb32acf6

SHA1
767d200f64887f61b91a9b9ea5d79c507879fc4b

SHA256
f4d742a14e80f962402bd875a3ddd8e1f84dd40763c528822a706fe58a9fa215

SHA512
dc2d41643e02e3221f93aacdc98c8b754a0bb4f9e4d9d344859297d9e6d979a154289b9b30e193d5cba9060aabba019fc84821e6aea073ecc7a7e9b4f6980928

Download Submit
memory/528-88-0x0000000006F80000-0x0000000006FD0000-memory.dmp

Filesize
320KB

Download
memory/528-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3252-4-0x0000000005280000-0x000000000528A000-memory.dmp

Filesize
40KB

Download
memory/3252-6-0x0000000006B00000-0x0000000006B12000-memory.dmp

Filesize
72KB

Download
memory/3252-7-0x0000000006650000-0x0000000006658000-memory.dmp

Filesize
32KB

Download
memory/3252-8-0x0000000006670000-0x000000000667E000-memory.dmp

Filesize
56KB

Download
memory/3252-9-0x00000000066F0000-0x0000000006774000-memory.dmp

Filesize
528KB

Download
memory/3252-10-0x0000000006BB0000-0x0000000006C4C000-memory.dmp

Filesize
624KB

Download
memory/3252-5-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-3-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/3252-48-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/3252-0-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/3252-1-0x00000000008F0000-0x00000000009C0000-memory.dmp

Filesize
832KB

Download
memory/3488-23-0x0000000005AE0000-0x0000000005B46000-memory.dmp

Filesize
408KB

Download
memory/3488-50-0x00000000062F0000-0x000000000633C000-memory.dmp

Filesize
304KB

Download
memory/3488-24-0x0000000005C50000-0x0000000005CB6000-memory.dmp

Filesize
408KB

Download
memory/3488-87-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-22-0x00000000052F0000-0x0000000005312000-memory.dmp

Filesize
136KB

Download
memory/3488-19-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-33-0x0000000005CC0000-0x0000000006014000-memory.dmp

Filesize
3.3MB

Download
memory/3488-17-0x0000000005380000-0x00000000059A8000-memory.dmp

Filesize
6.2MB

Download
memory/3488-18-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-16-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3488-49-0x00000000062C0000-0x00000000062DE000-memory.dmp

Filesize
120KB

Download
memory/3488-78-0x00000000077E0000-0x00000000077F1000-memory.dmp

Filesize
68KB

Download
memory/3488-51-0x0000000006880000-0x00000000068B2000-memory.dmp

Filesize
200KB

Download
memory/3488-52-0x0000000071A10000-0x0000000071A5C000-memory.dmp

Filesize
304KB

Download
memory/3488-15-0x0000000004D00000-0x0000000004D36000-memory.dmp

Filesize
216KB

Download
memory/3488-62-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/3488-79-0x0000000007810000-0x000000000781E000-memory.dmp

Filesize
56KB

Download
memory/3488-74-0x0000000007C30000-0x00000000082AA000-memory.dmp

Filesize
6.5MB

Download
memory/3488-75-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/3488-76-0x0000000007650000-0x000000000765A000-memory.dmp

Filesize
40KB

Download
memory/3488-77-0x0000000007860000-0x00000000078F6000-memory.dmp

Filesize
600KB

Download
memory/3956-32-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-73-0x00000000074E0000-0x0000000007583000-memory.dmp

Filesize
652KB

Download
memory/3956-80-0x0000000007850000-0x0000000007864000-memory.dmp

Filesize
80KB

Download
memory/3956-81-0x0000000007950000-0x000000000796A000-memory.dmp

Filesize
104KB

Download
memory/3956-82-0x0000000007930000-0x0000000007938000-memory.dmp

Filesize
32KB

Download
memory/3956-63-0x0000000071A10000-0x0000000071A5C000-memory.dmp

Filesize
304KB

Download
memory/3956-25-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-86-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-21-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download