agenttesla | f826131b5c356693f53746f0af896eaac4217ef48a1e148759541c21fe29b07d

General

Target

572b30c75a8e85b87ec00e12f93f743a.exe
Size

490KB
MD5

572b30c75a8e85b87ec00e12f93f743a
SHA1

d32a1e3e696b61d8fa03f3201066782c8f7b16ed
SHA256

f826131b5c356693f53746f0af896eaac4217ef48a1e148759541c21fe29b07d
SHA512

dcd136679267c22aab305d36a18f8f74431e2617121f73af0a6d7d9b17ada7f700929a236782f3e19c5aea30475e7107af17ff9c0026576d7b9867cb6426448c
SSDEEP

6144:GYa6EUS6Eui96sY8Z2a0oHE13N/0Xo9bMJcSd5BC9O54V59qPr2FkEe9SSeG:GYIuzsY8iowmXjJhoOqLqPN0SL

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
3436	pmhjos.exe
4240	pmhjos.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pmhjos.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pmhjos.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pmhjos.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
7	api.ipify.org
8	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3436 set thread context of 4240	3436	pmhjos.exe	82

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4240	pmhjos.exe
4240	pmhjos.exe
4240	pmhjos.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3436	pmhjos.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4240	pmhjos.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4240	pmhjos.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 3436	2220	572b30c75a8e85b87ec00e12f93f743a.exe	80
PID 2220 wrote to memory of 3436	2220	572b30c75a8e85b87ec00e12f93f743a.exe	80
PID 2220 wrote to memory of 3436	2220	572b30c75a8e85b87ec00e12f93f743a.exe	80
PID 3436 wrote to memory of 4240	3436	pmhjos.exe	82
PID 3436 wrote to memory of 4240	3436	pmhjos.exe	82
PID 3436 wrote to memory of 4240	3436	pmhjos.exe	82
PID 3436 wrote to memory of 4240	3436	pmhjos.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pmhjos.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pmhjos.exe

C:\Users\Admin\AppData\Local\Temp\572b30c75a8e85b87ec00e12f93f743a.exe
"C:\Users\Admin\AppData\Local\Temp\572b30c75a8e85b87ec00e12f93f743a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\pmhjos.exe
  "C:\Users\Admin\AppData\Local\Temp\pmhjos.exe" C:\Users\Admin\AppData\Local\Temp\rcltcrysh.g
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3436
- - C:\Users\Admin\AppData\Local\Temp\pmhjos.exe
    "C:\Users\Admin\AppData\Local\Temp\pmhjos.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:4240

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\pmhjos.exe

Filesize
84KB

MD5
50b9934c3f63f92b356d23f48e4623e7

SHA1
18f2c9d07c37b866df2914783030805f446db081

SHA256
4d63d890e45cc3785db36d9686233e018ed464b72cc47a1201847a8fa7aeb31b

SHA512
90343768bf2c7c8ccd955d397825b19732e34bc62860ff4be738fbc10e01009c06e55d3a59708a85a93a3b7ef82964f878cc7e74318b19cb540f6e9ecf5a32e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\pmhjos.exe

Filesize
84KB

MD5
50b9934c3f63f92b356d23f48e4623e7

SHA1
18f2c9d07c37b866df2914783030805f446db081

SHA256
4d63d890e45cc3785db36d9686233e018ed464b72cc47a1201847a8fa7aeb31b

SHA512
90343768bf2c7c8ccd955d397825b19732e34bc62860ff4be738fbc10e01009c06e55d3a59708a85a93a3b7ef82964f878cc7e74318b19cb540f6e9ecf5a32e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\pmhjos.exe

Filesize
84KB

MD5
50b9934c3f63f92b356d23f48e4623e7

SHA1
18f2c9d07c37b866df2914783030805f446db081

SHA256
4d63d890e45cc3785db36d9686233e018ed464b72cc47a1201847a8fa7aeb31b

SHA512
90343768bf2c7c8ccd955d397825b19732e34bc62860ff4be738fbc10e01009c06e55d3a59708a85a93a3b7ef82964f878cc7e74318b19cb540f6e9ecf5a32e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\rcltcrysh.g

Filesize
5KB

MD5
4853e4b32d196c26a7b35fdf57aabf97

SHA1
1fe4bd429148c48ba34002b0194888800213f33f

SHA256
7216ed48e98f6371645350d0e06259117147f369ab682f9c0e15a5a35aef419c

SHA512
ad43ca6b5a25e7bb4c7a9046981f6beb7897de56189a63d08ab331fe455aa4d880a895ffc45635fba9b72db71c466db95710268a34458c2cbd7d17422b5d8d1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\wuncafbtk.t

Filesize
294KB

MD5
9ef9740b6964725362649fd052f7c6ff

SHA1
6c7089b1b1b6a90939435d1cfa7a9b0c9fd0623c

SHA256
c876a19d9610f5a1d21cefa00e8044c57fe69d41062fb98c10af71a555a99da5

SHA512
4ff4a5e103436c8aca301b27d1e7a550611fc8baac6f548608ab21297a171d929d0d051aa1d8c9f575608cf0c6651403753f5e1258f073a8b8fa82df7514b13f

Download Submit
memory/4240-139-0x0000000004990000-0x0000000004F34000-memory.dmp

Filesize
5.6MB

Download
memory/4240-140-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/4240-141-0x0000000004FB0000-0x000000000504C000-memory.dmp

Filesize
624KB

Download
memory/4240-142-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/4240-143-0x00000000062C0000-0x0000000006352000-memory.dmp

Filesize
584KB

Download
memory/4240-144-0x0000000006540000-0x0000000006590000-memory.dmp

Filesize
320KB

Download
memory/4240-145-0x0000000006650000-0x000000000665A000-memory.dmp

Filesize
40KB

Download

Analysis

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