agenttesla | 9e5f526023099eb798f2cee4ac4f61546b4ec55124cd5e33c6de82c1b3fe1b5c

General

Target

Payment Advice_pdf.exe
Size

731KB
MD5

acdf61b83e2097c02aa579b8ca83d26b
SHA1

7aee028120be4be9df824f2d90329cbd0cf72578
SHA256

68fc1b87f19de1765e5dab39ebabef62e2acf44a61942918016dad9513e8b910
SHA512

e2925b2c72fb78c3e654cc882fcf6ecaa9e692b1387d11867e05f32e666f21c7ac83d3e718429c9e6080d105f947ec56d4eb21774bde9eba9651b22f8e4a386e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.mahandor.com
Port:
587
Username:
[email protected]
Password:
Mik3$mill10n

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahandor.com
Port:
587
Username:
[email protected]
Password:
Mik3$mill10n

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3984-139-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

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

Processes:

Payment Advice_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Payment Advice_pdf.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Payment Advice_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Advice_pdf.exe

description pid process target process

PID 2844 set thread context of 3984 2844 Payment Advice_pdf.exe Payment Advice_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1440 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Payment Advice_pdf.exe

pid process

3984 Payment Advice_pdf.exe
3984 Payment Advice_pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Payment Advice_pdf.exe

description pid process

Token: SeDebugPrivilege 3984 Payment Advice_pdf.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Payment Advice_pdf.exe

pid process

3984 Payment Advice_pdf.exe

description	pid	process	target process
PID 2844 set thread context of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe

pid	process
1440	schtasks.exe

pid	process
3984	Payment Advice_pdf.exe
3984	Payment Advice_pdf.exe

description	pid	process
Token: SeDebugPrivilege	3984	Payment Advice_pdf.exe

pid	process
3984	Payment Advice_pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Payment Advice_pdf.exe

description	pid	process	target process
PID 2844 wrote to memory of 1440	2844	Payment Advice_pdf.exe	schtasks.exe
PID 2844 wrote to memory of 1440	2844	Payment Advice_pdf.exe	schtasks.exe
PID 2844 wrote to memory of 1440	2844	Payment Advice_pdf.exe	schtasks.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe
PID 2844 wrote to memory of 3984	2844	Payment Advice_pdf.exe	Payment Advice_pdf.exe

outlook_office_path 1 IoCs

Processes:

Payment Advice_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_pdf.exe

outlook_win_path 1 IoCs

Processes:

Payment Advice_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Advice_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Payment Advice_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice_pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GLKtabpmHwo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA47D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1440
- C:\Users\Admin\AppData\Local\Temp\Payment Advice_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Advice_pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Advice_pdf.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA47D.tmp

Filesize
1KB

MD5
f8c6f2b6dd840b373d8a5bca5bd44ea9

SHA1
f1098e22e9d43df37150d19bbae4e656c7b70bf4

SHA256
632248e41bfe0acda56398073100e773a54d2462f434ee6b805bbd1f10968217

SHA512
13d480d2b5ed44d66af33be79728fb72e2c9600ebc6a4d2a1210dbf36b7890d109dd1970b66f5377573e779bd02207e930862b49c598f951150800b1523ee50e

Download Submit
memory/1440-136-0x0000000000000000-mapping.dmp

Download
memory/2844-133-0x0000000005960000-0x00000000059F2000-memory.dmp

Filesize
584KB

Download
memory/2844-134-0x0000000005830000-0x000000000583A000-memory.dmp

Filesize
40KB

Download
memory/2844-135-0x0000000005AF0000-0x0000000005B46000-memory.dmp

Filesize
344KB

Download
memory/2844-130-0x0000000000DE0000-0x0000000000E9E000-memory.dmp

Filesize
760KB

Download
memory/2844-132-0x0000000005F10000-0x00000000064B4000-memory.dmp

Filesize
5.6MB

Download
memory/2844-131-0x00000000058C0000-0x000000000595C000-memory.dmp

Filesize
624KB

Download
memory/3984-138-0x0000000000000000-mapping.dmp

Download
memory/3984-139-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3984-141-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/3984-142-0x0000000006870000-0x00000000068C0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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