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
2004	powershell.exe
2428	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 2912 set thread context of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36

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
3056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2912	PO Invoice XJ210821Q.PDF.exe
2912	PO Invoice XJ210821Q.PDF.exe
2912	PO Invoice XJ210821Q.PDF.exe
2912	PO Invoice XJ210821Q.PDF.exe
2912	PO Invoice XJ210821Q.PDF.exe
2912	PO Invoice XJ210821Q.PDF.exe
2912	PO Invoice XJ210821Q.PDF.exe
2332	PO Invoice XJ210821Q.PDF.exe
2332	PO Invoice XJ210821Q.PDF.exe
2004	powershell.exe
2428	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	PO Invoice XJ210821Q.PDF.exe
Token: SeDebugPrivilege	2332	PO Invoice XJ210821Q.PDF.exe
Token: SeDebugPrivilege	2428	powershell.exe
Token: SeDebugPrivilege	2004	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2004	2912	PO Invoice XJ210821Q.PDF.exe	30
PID 2912 wrote to memory of 2004	2912	PO Invoice XJ210821Q.PDF.exe	30
PID 2912 wrote to memory of 2004	2912	PO Invoice XJ210821Q.PDF.exe	30
PID 2912 wrote to memory of 2004	2912	PO Invoice XJ210821Q.PDF.exe	30
PID 2912 wrote to memory of 2428	2912	PO Invoice XJ210821Q.PDF.exe	32
PID 2912 wrote to memory of 2428	2912	PO Invoice XJ210821Q.PDF.exe	32
PID 2912 wrote to memory of 2428	2912	PO Invoice XJ210821Q.PDF.exe	32
PID 2912 wrote to memory of 2428	2912	PO Invoice XJ210821Q.PDF.exe	32
PID 2912 wrote to memory of 3056	2912	PO Invoice XJ210821Q.PDF.exe	34
PID 2912 wrote to memory of 3056	2912	PO Invoice XJ210821Q.PDF.exe	34
PID 2912 wrote to memory of 3056	2912	PO Invoice XJ210821Q.PDF.exe	34
PID 2912 wrote to memory of 3056	2912	PO Invoice XJ210821Q.PDF.exe	34
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36
PID 2912 wrote to memory of 2332	2912	PO Invoice XJ210821Q.PDF.exe	36

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:2912
- 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:2004
- 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:2428
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FBEgLGhUrO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFA3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3056
- 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:2332

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFFA3.tmp

Filesize
1KB

MD5
43b501c66fcada782d3e0636921064bf

SHA1
52abf439cc8da68c157d35558b3d5d4a7f9651aa

SHA256
8cd0930fc4afd8ea3cb41fb09476cc6dc8b54ea5b55889c5700f742afaa5b541

SHA512
1978465ad8029bd22b0eba4754a419a5c7ec4702de4e05b56dbf31b39a1d9cf2226515fecb05956f29fd22b7adfb07dcd6dd1e8ca66902c33ed0c74b79c6251d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CMVGA0IEO7SJUMPQIZZC.temp

Filesize
7KB

MD5
8c7e88da7f83d4b9a0f2f3900989b3eb

SHA1
7cf8560da7d214e2f23182226e38c1504851ab61

SHA256
3447f4cc3e62d15e328f7dd7f3da68e5e542e333e016a1b6661b2d0ba85b7d30

SHA512
c92be463bbcab2e9cb5a1978cccb93b3a1c191c61dec8eac98997b564de271d2ab8274ba4701045cf742a5c7c1cac2e84c04c1d99bbf679a8387267735518773

Download Submit
memory/2332-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2332-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2332-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2332-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2332-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2332-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2332-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2332-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2912-6-0x0000000005250000-0x00000000052D4000-memory.dmp

Filesize
528KB

Download
memory/2912-1-0x0000000001260000-0x0000000001308000-memory.dmp

Filesize
672KB

Download
memory/2912-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2912-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-3-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2912-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2912-31-0x00000000743F0000-0x0000000074ADE000-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