agenttesla | 4a88d515600a389b686c2674cb10d053720eab06b16bd6c8ad99e06157980283

General

Target

POInvoiceXJ210821Q.PDF.scr.exe
Size

674KB
MD5

b93e5d5b8d6e25ea9107769128334130
SHA1

eaa57f101eec3faaa8ca9a767a07e4cdef35999e
SHA256

4a88d515600a389b686c2674cb10d053720eab06b16bd6c8ad99e06157980283
SHA512

52dfb3178800cf6905ba2e5d4c351a176b3feb531329d5bd7ba3135843dbeacad3814a82eaf3ecdf0e5e47261d7cd3d4043b616a10a2b79c194566fbb33a0657
SSDEEP

12288:AO98bQbs8+iS6RGUfSjWFa9Rh1iEIhjz3DO8ITXykKsSWScPx3ZokkR:ArIJ+7dUfSjWA9Rh14Jy8qZuWbx3Zg

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

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
2800	powershell.exe
2564	powershell.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
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	POInvoiceXJ210821Q.PDF.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	POInvoiceXJ210821Q.PDF.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
2492	POInvoiceXJ210821Q.PDF.scr.exe
1864	POInvoiceXJ210821Q.PDF.scr.exe
1864	POInvoiceXJ210821Q.PDF.scr.exe
2800	powershell.exe
2564	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	POInvoiceXJ210821Q.PDF.scr.exe
Token: SeDebugPrivilege	1864	POInvoiceXJ210821Q.PDF.scr.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2564	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2800	2492	POInvoiceXJ210821Q.PDF.scr.exe	31
PID 2492 wrote to memory of 2800	2492	POInvoiceXJ210821Q.PDF.scr.exe	31
PID 2492 wrote to memory of 2800	2492	POInvoiceXJ210821Q.PDF.scr.exe	31
PID 2492 wrote to memory of 2800	2492	POInvoiceXJ210821Q.PDF.scr.exe	31
PID 2492 wrote to memory of 2564	2492	POInvoiceXJ210821Q.PDF.scr.exe	33
PID 2492 wrote to memory of 2564	2492	POInvoiceXJ210821Q.PDF.scr.exe	33
PID 2492 wrote to memory of 2564	2492	POInvoiceXJ210821Q.PDF.scr.exe	33
PID 2492 wrote to memory of 2564	2492	POInvoiceXJ210821Q.PDF.scr.exe	33
PID 2492 wrote to memory of 2820	2492	POInvoiceXJ210821Q.PDF.scr.exe	35
PID 2492 wrote to memory of 2820	2492	POInvoiceXJ210821Q.PDF.scr.exe	35
PID 2492 wrote to memory of 2820	2492	POInvoiceXJ210821Q.PDF.scr.exe	35
PID 2492 wrote to memory of 2820	2492	POInvoiceXJ210821Q.PDF.scr.exe	35
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37
PID 2492 wrote to memory of 1864	2492	POInvoiceXJ210821Q.PDF.scr.exe	37

C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.scr.exe
"C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- 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.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zDowlSskSU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2564
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zDowlSskSU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp845C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\POInvoiceXJ210821Q.PDF.scr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp845C.tmp

Filesize
1KB

MD5
8f0a7a2afb2344d92e1ac555216f9777

SHA1
cbebe75a150411ce0483d18b5e7ce8eb476d57b1

SHA256
743f5e70d4f15895d7d53279ffa45406fe5a213c68bee85315d7b2d61609a36e

SHA512
6d273cdc2b0a2c8bba4cc46cd33bb657ab7b0b62aef80fdc6b42c126c042a4ef585b0c885619da102fd9d1748dd9020d3eb50a25b3c14a80d13bfc871d1d7204

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YCIINFXAY24TD2CYE1V3.temp

Filesize
7KB

MD5
2a21b2abde69c1f4acd5da11a75bfeba

SHA1
bdb7e9bbdfd2dd15703784362ae6d3abed7f0c69

SHA256
b7f9ceab3a757222a1476f2396bb85e90ce56dedc393397a5c9e30822e47c505

SHA512
ba52cfb35ae3388ec6548a96427b49569d4c57f98b1a6a3fbae727f4d56679cdd9dd66c9e41ad4f77dedfe7b1f3100e1259a6fae284b073b90ed6209fbea7232

Download Submit
memory/1864-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1864-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1864-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1864-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1864-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1864-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1864-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1864-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2492-1-0x0000000001120000-0x00000000011CC000-memory.dmp

Filesize
688KB

Download
memory/2492-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2492-7-0x00000000057A0000-0x0000000005824000-memory.dmp

Filesize
528KB

Download
memory/2492-6-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-4-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-5-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2492-3-0x00000000008C0000-0x00000000008D2000-memory.dmp

Filesize
72KB

Download
memory/2492-33-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads