agenttesla | c17e06753e71aa66826658cc44f2e620b39d0e52b26d7dc5747ad5966f0ae0a3

Analysis

max time kernel
94s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 19:42

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General

Target

POInvoiceXJ210821Q.PDF.exe
Size

664KB
MD5

ec1d27d0c50590f58a3d43b8b979e4dc
SHA1

bb6768eec71bd66c50a94b21cdd059994dc264b3
SHA256

c17e06753e71aa66826658cc44f2e620b39d0e52b26d7dc5747ad5966f0ae0a3
SHA512

2bf4090a6bc11e8a5b2055752a51d008aedd7f4dc3483282194b9666f19840ababa805aa18dfccf6d994d46ddf4503e5abed7201556b6388d38af93e6c890aa1
SSDEEP

12288:LhdPAcO4nEOS405ZbvTAuWelX2QqycJGD7uoj6C/e8bQbGsxykR:LvlS405PX2QqRGD7u/ClIGoB

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:
x6p2^m#1#~+O

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.libreriagandhi.cl
Port:
21
Username:
[email protected]
Password:
x6p2^m#1#~+O

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
1284	powershell.exe
2624	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	POInvoiceXJ210821Q.PDF.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
24	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4736 set thread context of 4484	4736	POInvoiceXJ210821Q.PDF.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	POInvoiceXJ210821Q.PDF.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	POInvoiceXJ210821Q.PDF.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
796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4736	POInvoiceXJ210821Q.PDF.exe
4736	POInvoiceXJ210821Q.PDF.exe
4736	POInvoiceXJ210821Q.PDF.exe
4736	POInvoiceXJ210821Q.PDF.exe
4736	POInvoiceXJ210821Q.PDF.exe
4736	POInvoiceXJ210821Q.PDF.exe
1284	powershell.exe
2624	powershell.exe
4736	POInvoiceXJ210821Q.PDF.exe
1284	powershell.exe
4484	POInvoiceXJ210821Q.PDF.exe
4484	POInvoiceXJ210821Q.PDF.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	POInvoiceXJ210821Q.PDF.exe
Token: SeDebugPrivilege	1284	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	4484	POInvoiceXJ210821Q.PDF.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 1284	4736	POInvoiceXJ210821Q.PDF.exe	89
PID 4736 wrote to memory of 1284	4736	POInvoiceXJ210821Q.PDF.exe	89
PID 4736 wrote to memory of 1284	4736	POInvoiceXJ210821Q.PDF.exe	89
PID 4736 wrote to memory of 2624	4736	POInvoiceXJ210821Q.PDF.exe	91
PID 4736 wrote to memory of 2624	4736	POInvoiceXJ210821Q.PDF.exe	91
PID 4736 wrote to memory of 2624	4736	POInvoiceXJ210821Q.PDF.exe	91
PID 4736 wrote to memory of 796	4736	POInvoiceXJ210821Q.PDF.exe	92
PID 4736 wrote to memory of 796	4736	POInvoiceXJ210821Q.PDF.exe	92
PID 4736 wrote to memory of 796	4736	POInvoiceXJ210821Q.PDF.exe	92
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95
PID 4736 wrote to memory of 4484	4736	POInvoiceXJ210821Q.PDF.exe	95

C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.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:4736
- 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\POInvoiceXJ210821Q.PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1284
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FBEgLGhUrO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FBEgLGhUrO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFEE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:796
- C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4484

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\Temp\__PSScriptPolicyTest_n0mogk1w.rl0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1KB

MD5
a26100421570f2427924566fca350989

SHA1
9bbc8aa8b9a92ccde7049fb187cdf9688df8d962

SHA256
f0f0281f199c20af66d2e9fc976c956fd45530a6e408b90d4471f890dab6e026

SHA512
90b8da55b2057632a6e2579ea4eb1db0c37c1fe0c140a61c40bb2fa6559de57d483b13f297c90e05ebcc16bb4bb6606bd8b371053a0a480fa61035042c70fc1d

Download Submit
memory/1284-30-0x00000000054F0000-0x0000000005844000-memory.dmp

Filesize
3.3MB

Download
memory/1284-73-0x0000000006C30000-0x0000000006CD3000-memory.dmp

Filesize
652KB

Download
memory/1284-86-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1284-82-0x0000000007040000-0x0000000007048000-memory.dmp

Filesize
32KB

Download
memory/1284-80-0x0000000006F60000-0x0000000006F74000-memory.dmp

Filesize
80KB

Download
memory/1284-79-0x0000000006F50000-0x0000000006F5E000-memory.dmp

Filesize
56KB

Download
memory/1284-75-0x0000000006D20000-0x0000000006D3A000-memory.dmp

Filesize
104KB

Download
memory/1284-74-0x0000000007370000-0x00000000079EA000-memory.dmp

Filesize
6.5MB

Download
memory/1284-63-0x0000000070BC0000-0x0000000070C0C000-memory.dmp

Filesize
304KB

Download
memory/1284-15-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1284-50-0x0000000005F90000-0x0000000005FDC000-memory.dmp

Filesize
304KB

Download
memory/1284-16-0x00000000020F0000-0x0000000002126000-memory.dmp

Filesize
216KB

Download
memory/1284-49-0x0000000005A00000-0x0000000005A1E000-memory.dmp

Filesize
120KB

Download
memory/1284-19-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1284-20-0x0000000004A50000-0x0000000004A72000-memory.dmp

Filesize
136KB

Download
memory/1284-22-0x0000000004C90000-0x0000000004CF6000-memory.dmp

Filesize
408KB

Download
memory/1284-18-0x0000000004DC0000-0x00000000053E8000-memory.dmp

Filesize
6.2MB

Download
memory/1284-21-0x0000000004AF0000-0x0000000004B56000-memory.dmp

Filesize
408KB

Download
memory/1284-17-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2624-37-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2624-62-0x0000000006490000-0x00000000064AE000-memory.dmp

Filesize
120KB

Download
memory/2624-85-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2624-23-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2624-35-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/2624-76-0x0000000007260000-0x000000000726A000-memory.dmp

Filesize
40KB

Download
memory/2624-81-0x0000000007530000-0x000000000754A000-memory.dmp

Filesize
104KB

Download
memory/2624-52-0x0000000070BC0000-0x0000000070C0C000-memory.dmp

Filesize
304KB

Download
memory/2624-51-0x0000000007060000-0x0000000007092000-memory.dmp

Filesize
200KB

Download
memory/2624-78-0x00000000073F0000-0x0000000007401000-memory.dmp

Filesize
68KB

Download
memory/2624-77-0x0000000007470000-0x0000000007506000-memory.dmp

Filesize
600KB

Download
memory/4484-36-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4484-87-0x0000000006FE0000-0x0000000007030000-memory.dmp

Filesize
320KB

Download
memory/4736-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download
memory/4736-8-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4736-5-0x00000000050C0000-0x00000000050CA000-memory.dmp

Filesize
40KB

Download
memory/4736-1-0x0000000000650000-0x00000000006F8000-memory.dmp

Filesize
672KB

Download
memory/4736-10-0x000000000B590000-0x000000000B62C000-memory.dmp

Filesize
624KB

Download
memory/4736-7-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/4736-6-0x0000000005340000-0x0000000005352000-memory.dmp

Filesize
72KB

Download
memory/4736-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/4736-48-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4736-4-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4736-9-0x0000000008D50000-0x0000000008DD4000-memory.dmp

Filesize
528KB

Download
memory/4736-3-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download