agenttesla | 50828bc03c789210be4ad053d4c2c58eb68b4ddd6a9716588a345ef8786373d2

General

Target

chem-03240.pdf.exe
Size

975KB
MD5

fb037c0e0a26a6399cc3c22f24d819db
SHA1

9da8dfc260523640c23d77bd37cc012af7275e09
SHA256

c5e436daea517264f270beba101c5d2ae9d9b25a72c8c4ed049239ecddb7fcc8
SHA512

a23fc689ca44c46ebc78eaf39dfbe4aac5b366cffe0b43cfbf2214f02a67c19b8a9977b5cf1d5bb1374fca9f335245a7742907f58a152008dbc0de941fd1f62e
SSDEEP

24576:hbtQQlz5uaQ9pOXsSdsSSd6MsxpnmhB4nYJ/Z:hbN1EjpOXsksSbfdYL

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
proglass.com.sg
Port:
587
Username:
[email protected]
Password:
NiconPay$
Email To:
[email protected]

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
2596	powershell.exe
2728	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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 2 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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 1356	2928	chem-03240.pdf.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
2608	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2928	chem-03240.pdf.exe
2928	chem-03240.pdf.exe
1356	chem-03240.pdf.exe
1356	chem-03240.pdf.exe
2728	powershell.exe
2596	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	chem-03240.pdf.exe
Token: SeDebugPrivilege	1356	chem-03240.pdf.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	2596	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1356	chem-03240.pdf.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2596	2928	chem-03240.pdf.exe	28
PID 2928 wrote to memory of 2596	2928	chem-03240.pdf.exe	28
PID 2928 wrote to memory of 2596	2928	chem-03240.pdf.exe	28
PID 2928 wrote to memory of 2596	2928	chem-03240.pdf.exe	28
PID 2928 wrote to memory of 2728	2928	chem-03240.pdf.exe	30
PID 2928 wrote to memory of 2728	2928	chem-03240.pdf.exe	30
PID 2928 wrote to memory of 2728	2928	chem-03240.pdf.exe	30
PID 2928 wrote to memory of 2728	2928	chem-03240.pdf.exe	30
PID 2928 wrote to memory of 2608	2928	chem-03240.pdf.exe	31
PID 2928 wrote to memory of 2608	2928	chem-03240.pdf.exe	31
PID 2928 wrote to memory of 2608	2928	chem-03240.pdf.exe	31
PID 2928 wrote to memory of 2608	2928	chem-03240.pdf.exe	31
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34
PID 2928 wrote to memory of 1356	2928	chem-03240.pdf.exe	34

C:\Users\Admin\AppData\Local\Temp\chem-03240.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\chem-03240.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928
- 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\chem-03240.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jBIBnuQ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jBIBnuQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp390A.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2608
- C:\Users\Admin\AppData\Local\Temp\chem-03240.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\chem-03240.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1356

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

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp390A.tmp

Filesize
1KB

MD5
917e7378bb2f08b7fa592fc1bfc7d6ae

SHA1
f1abbe915fe2757660ec5aeff97064db839cca5d

SHA256
3910a0ed428fb9b115f3b98f03dabd15bbe9195486fa5ec5a29fbdb267c3b861

SHA512
adaf1af41a2b146453391144a2ce527e6dc2a23f171a20e901f9654a9dfeee3adbce3ce3200afa75a4285c8334b752e48289e86075e39ae17e9012b74caccbb8

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

Filesize
7KB

MD5
f7bac76f152741441b1361222c3bd4a6

SHA1
c44b880349a25478d08deb721064d34325629d17

SHA256
b53f794b359742f6edbaa6a55f6ee7753916ba3e2dfce13c44225d145f3193f0

SHA512
848eb5d446de61f7ac20e337978f0a7b636e2d9fe90dc020f7538e124084566ed065356316b7ca1a469676e97380089b1ba51bade5a4da2475ebb9f669127be5

Download Submit
memory/1356-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1356-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1356-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1356-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1356-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1356-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1356-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1356-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2928-1-0x00000000012E0000-0x00000000013D6000-memory.dmp

Filesize
984KB

Download
memory/2928-2-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2928-7-0x0000000005760000-0x00000000057E4000-memory.dmp

Filesize
528KB

Download
memory/2928-6-0x0000000004AC0000-0x0000000004B54000-memory.dmp

Filesize
592KB

Download
memory/2928-3-0x00000000004B0000-0x00000000004C2000-memory.dmp

Filesize
72KB

Download
memory/2928-5-0x0000000000600000-0x000000000060C000-memory.dmp

Filesize
48KB

Download
memory/2928-4-0x00000000005F0000-0x00000000005F8000-memory.dmp

Filesize
32KB

Download
memory/2928-33-0x0000000074A50000-0x000000007513E000-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