agenttesla | 4e011dcda384a1ee3ba680dd2cba1aa8e4218d563a936b5a4b8f9794c67b93ae

General

Target

Purchase order.exe
Size

442KB
MD5

17792def44307f4f2d0b1155abfe7448
SHA1

b3267c6c80a67e5ff1f53b0a2e3a5385ba405f1f
SHA256

2b54d7c7b0a36a01a6e738444491ec07595757248471a3618f52ee812c283eb3
SHA512

b507ab6eed713e357f4bed8907277023d932f50c89e14dcaa79e6e055ee23d32f76671359268ffbfb0be61e672fcde3015237d62d21e31e0aec7d5218002509f
SSDEEP

6144:AYa6RdzCeflCk3wh/PbNHaiGL1kos9GhamgcRk/dtujEwQug:AY5j9n3whh6ius4hHgLWyug

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6330881324:AAEdt0JSXujmBEMY7XuCXGEa5xSNtRZNq6g/

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2208	Purchase order.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-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2208 set thread context of 2220	2208	Purchase order.exe	28

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2220	Purchase order.exe
2220	Purchase order.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2208	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	Purchase order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	Purchase order.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2220	2208	Purchase order.exe	28
PID 2208 wrote to memory of 2220	2208	Purchase order.exe	28
PID 2208 wrote to memory of 2220	2208	Purchase order.exe	28
PID 2208 wrote to memory of 2220	2208	Purchase order.exe	28
PID 2208 wrote to memory of 2220	2208	Purchase order.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2220

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\nst83A3.tmp\pnkzwc.dll

Filesize
68KB

MD5
f79f40c41655885edc3d9bafe6f6ef91

SHA1
1f95e51203c1f5dcb4f841664f45f1330834db41

SHA256
5a01122d5da2499afb0014557aafe0f0e5b023332dcad16cae3037cd643fb6f2

SHA512
d9e9a037e7b39a2bf05c7ec5e110c2c3e81f7b9839194d75b1915c91d795a743c354115ee8da664896aa8e27cbff63c4bca92b7a414d02e7c1e005e251960ba9

Download Submit
\Users\Admin\AppData\Local\Temp\nst83A3.tmp\pnkzwc.dll

Filesize
68KB

MD5
f79f40c41655885edc3d9bafe6f6ef91

SHA1
1f95e51203c1f5dcb4f841664f45f1330834db41

SHA256
5a01122d5da2499afb0014557aafe0f0e5b023332dcad16cae3037cd643fb6f2

SHA512
d9e9a037e7b39a2bf05c7ec5e110c2c3e81f7b9839194d75b1915c91d795a743c354115ee8da664896aa8e27cbff63c4bca92b7a414d02e7c1e005e251960ba9

Download Submit
memory/2208-65-0x0000000074BC0000-0x0000000074BD6000-memory.dmp

Filesize
88KB

Download
memory/2208-61-0x0000000074BC0000-0x0000000074BD6000-memory.dmp

Filesize
88KB

Download
memory/2220-62-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2220-66-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2220-64-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2220-67-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-68-0x0000000004690000-0x00000000046D0000-memory.dmp

Filesize
256KB

Download
memory/2220-69-0x0000000000490000-0x00000000004C0000-memory.dmp

Filesize
192KB

Download
memory/2220-70-0x0000000004690000-0x00000000046D0000-memory.dmp

Filesize
256KB

Download
memory/2220-71-0x0000000004690000-0x00000000046D0000-memory.dmp

Filesize
256KB

Download
memory/2220-72-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-73-0x0000000004690000-0x00000000046D0000-memory.dmp

Filesize
256KB

Download

Analysis

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