agenttesla | 97b79c84a7ef9ba88708ffffab269e9504838adb8f0706f0fedaed416107cd12

General

Target

Shipping Document TS-5233/Shipping Document TS-5233.PDF.exe
Size

1.1MB
MD5

d74e5c2edfe1a18ce82b14967ea4c5ee
SHA1

a46bf8e1a64294c40a6462f968cc571b664ba95a
SHA256

3947be8ac05c349d48d12ed94b71afb95fccf43cab810889159b9b0484a441f8
SHA512

f21ab4f538d87d419a84dd56806b190a02c6bcc67bdb96acedb1e845135cfd9178b32be8aaa8fa9d457dd7119f07bea5f0a4f2d36a3d38502998c685d4cb9e33
SSDEEP

12288:njYmca+sMEi6S4n09Y+N4OAZqZ3zLM6R+mnvMy8c9jFLKo9vJhee/3BqHOMbuZTo:UwjUL++9j/e7L8CifrXnHIs

Score

10^/10

agenttesla purelogs keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6760916656:AAFTROumNysgqsjoqAvyBqjbR9y3VV4we2Y/

Signatures

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

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral2/memory/1540-0-0x00000000008E0000-0x0000000000A06000-memory.dmp	family_purelogs

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Control Panel\International\Geo\Nation	Shipping Document TS-5233.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
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobe = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobe.exe"	Shipping Document TS-5233.PDF.exe

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
43	api.ipify.org
44	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1540 set thread context of 3376	1540	Shipping Document TS-5233.PDF.exe	99

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

System Information Discovery
T1082

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2356	ipconfig.exe
4068	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3376	Shipping Document TS-5233.PDF.exe
3376	Shipping Document TS-5233.PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1540	Shipping Document TS-5233.PDF.exe
Token: SeDebugPrivilege	3376	Shipping Document TS-5233.PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3376	Shipping Document TS-5233.PDF.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 3784	1540	Shipping Document TS-5233.PDF.exe	89
PID 1540 wrote to memory of 3784	1540	Shipping Document TS-5233.PDF.exe	89
PID 1540 wrote to memory of 3784	1540	Shipping Document TS-5233.PDF.exe	89
PID 3784 wrote to memory of 2356	3784	cmd.exe	91
PID 3784 wrote to memory of 2356	3784	cmd.exe	91
PID 3784 wrote to memory of 2356	3784	cmd.exe	91
PID 1540 wrote to memory of 2236	1540	Shipping Document TS-5233.PDF.exe	95
PID 1540 wrote to memory of 2236	1540	Shipping Document TS-5233.PDF.exe	95
PID 1540 wrote to memory of 2236	1540	Shipping Document TS-5233.PDF.exe	95
PID 2236 wrote to memory of 4068	2236	cmd.exe	97
PID 2236 wrote to memory of 4068	2236	cmd.exe	97
PID 2236 wrote to memory of 4068	2236	cmd.exe	97
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99
PID 1540 wrote to memory of 3376	1540	Shipping Document TS-5233.PDF.exe	99

C:\Users\Admin\AppData\Local\Temp\Shipping Document TS-5233\Shipping Document TS-5233.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document TS-5233\Shipping Document TS-5233.PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /release
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3784
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /release
    3⤵
    - Gathers network information
    PID:2356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /renew
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /renew
    3⤵
    - Gathers network information
    PID:4068
- C:\Users\Admin\AppData\Local\Temp\Shipping Document TS-5233\Shipping Document TS-5233.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Document TS-5233\Shipping Document TS-5233.PDF.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Shipping Document TS-5233.PDF.exe.log

Filesize
927B

MD5
4a911455784f74e368a4c2c7876d76f4

SHA1
a1700a0849ffb4f26671eb76da2489946b821c34

SHA256
264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

SHA512
4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

Download Submit
memory/1540-13-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1540-1-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1540-2-0x0000000005380000-0x00000000053D8000-memory.dmp

Filesize
352KB

Download
memory/1540-3-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/1540-4-0x00000000053E0000-0x0000000005420000-memory.dmp

Filesize
256KB

Download
memory/1540-5-0x0000000005450000-0x0000000005490000-memory.dmp

Filesize
256KB

Download
memory/1540-6-0x0000000005490000-0x00000000054DC000-memory.dmp

Filesize
304KB

Download
memory/1540-7-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/1540-8-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/1540-9-0x0000000006630000-0x0000000006BD4000-memory.dmp

Filesize
5.6MB

Download
memory/1540-0-0x00000000008E0000-0x0000000000A06000-memory.dmp

Filesize
1.1MB

Download
memory/3376-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3376-14-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-15-0x0000000005430000-0x0000000005440000-memory.dmp

Filesize
64KB

Download
memory/3376-16-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/3376-19-0x0000000006950000-0x00000000069A0000-memory.dmp

Filesize
320KB

Download
memory/3376-20-0x0000000006A40000-0x0000000006ADC000-memory.dmp

Filesize
624KB

Download
memory/3376-21-0x0000000006C80000-0x0000000006D12000-memory.dmp

Filesize
584KB

Download
memory/3376-22-0x0000000006C60000-0x0000000006C6A000-memory.dmp

Filesize
40KB

Download
memory/3376-23-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-24-0x0000000005430000-0x0000000005440000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads