agenttesla | 2916023a634aa57933f9bc8efe3e51e2da70bd0fecb2f8565dece272535a6de8

General

Target

PO Invoice XJ210821Q.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

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
2852	powershell.exe
2952	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 2688 set thread context of 2672	2688	PO Invoice XJ210821Q.PDF.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	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	PO Invoice XJ210821Q.PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO Invoice XJ210821Q.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
2876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2688	PO Invoice XJ210821Q.PDF.exe
2688	PO Invoice XJ210821Q.PDF.exe
2688	PO Invoice XJ210821Q.PDF.exe
2688	PO Invoice XJ210821Q.PDF.exe
2688	PO Invoice XJ210821Q.PDF.exe
2688	PO Invoice XJ210821Q.PDF.exe
2688	PO Invoice XJ210821Q.PDF.exe
2672	PO Invoice XJ210821Q.PDF.exe
2672	PO Invoice XJ210821Q.PDF.exe
2852	powershell.exe
2952	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	PO Invoice XJ210821Q.PDF.exe
Token: SeDebugPrivilege	2672	PO Invoice XJ210821Q.PDF.exe
Token: SeDebugPrivilege	2852	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2852	2688	PO Invoice XJ210821Q.PDF.exe	31
PID 2688 wrote to memory of 2852	2688	PO Invoice XJ210821Q.PDF.exe	31
PID 2688 wrote to memory of 2852	2688	PO Invoice XJ210821Q.PDF.exe	31
PID 2688 wrote to memory of 2852	2688	PO Invoice XJ210821Q.PDF.exe	31
PID 2688 wrote to memory of 2952	2688	PO Invoice XJ210821Q.PDF.exe	33
PID 2688 wrote to memory of 2952	2688	PO Invoice XJ210821Q.PDF.exe	33
PID 2688 wrote to memory of 2952	2688	PO Invoice XJ210821Q.PDF.exe	33
PID 2688 wrote to memory of 2952	2688	PO Invoice XJ210821Q.PDF.exe	33
PID 2688 wrote to memory of 2876	2688	PO Invoice XJ210821Q.PDF.exe	35
PID 2688 wrote to memory of 2876	2688	PO Invoice XJ210821Q.PDF.exe	35
PID 2688 wrote to memory of 2876	2688	PO Invoice XJ210821Q.PDF.exe	35
PID 2688 wrote to memory of 2876	2688	PO Invoice XJ210821Q.PDF.exe	35
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37
PID 2688 wrote to memory of 2672	2688	PO Invoice XJ210821Q.PDF.exe	37

C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- 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\PO Invoice XJ210821Q.PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- 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:2952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FBEgLGhUrO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF72B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

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\tmpF72B.tmp

Filesize
1KB

MD5
2705a571831d4293785faa36608a181c

SHA1
bb15b97eca9edf9785b6b00fc5a8fbedec9100d3

SHA256
0c783d67d908ef69a801b987de53c08c3a7691aeebdd546190351557da685b84

SHA512
cfb0c3320b10d3471df8cfa1568446e654c44cd8e42e75d0daec7a50990bb3f0e81ff5fadad9084471d9e96b8f59d869b63bee2accaf0130a2401b4110ffc15d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
dd2a9ed22ceb5f44fe76bea2fcc94deb

SHA1
3a5cb567d6c6766b3f0a62967f2b8da79a673963

SHA256
0993c7bcbaebd44b5c68ba29cc11ba801b4f37c2eea1f0a7290476b5e4823320

SHA512
f8d6b9b6e2527643b05d2e9ede82e1f6568b24a5b948dfe75ace75ddc3b887122be16c6cc9e2594dde33378675fd3f52bb1e1c3ba9270e828435bec0bdf0b4fd

Download Submit
memory/2672-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-6-0x0000000004F10000-0x0000000004F94000-memory.dmp

Filesize
528KB

Download
memory/2688-1-0x0000000001150000-0x00000000011F8000-memory.dmp

Filesize
672KB

Download
memory/2688-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2688-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-3-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2688-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-4-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2688-31-0x0000000074080000-0x000000007476E000-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