agenttesla | f3c00fb75da49f73a9945b562d748ff1b6958e3bfdbb1e833d6a16ef4d063092

General

Target

Purchase Order List Pdf.exe
Size

744KB
MD5

ae6c61186f442fcfe791801d50375add
SHA1

1d04bee70997b3d3eb08d4b8c3a2efe6238c79df
SHA256

f3c00fb75da49f73a9945b562d748ff1b6958e3bfdbb1e833d6a16ef4d063092
SHA512

f7f5701d2cce74e93d0357d18bd7e109c73268e6c3bbbda9225d86d90f1c3abb712889ddaf61cb77fd441ff24a17fdd89b6c8cf1e7691935ed529053e82059de
SSDEEP

12288:5uu3as/16/YHmM9mARLAV+/3e+vcGD89J31rcs01kFps9XabXMTyJPa+sQmN3:5Ks6cV9mA9ImJD8z31r01q8ToPqQy

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
IvHg^r)2
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order List Pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order List Pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order List Pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows\CurrentVersion\Run\MmRKwR = "C:\\Users\\Admin\\AppData\\Roaming\\MmRKwR\\MmRKwR.exe"	Purchase Order List Pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 268	2028	Purchase Order List Pdf.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
268	Purchase Order List Pdf.exe
268	Purchase Order List Pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	Purchase Order List Pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28
PID 2028 wrote to memory of 268	2028	Purchase Order List Pdf.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order List Pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order List Pdf.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order List Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order List Pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\Purchase Order List Pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order List Pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/268-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-73-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/268-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-71-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/268-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/268-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2028-59-0x0000000004A10000-0x0000000004A7A000-memory.dmp

Filesize
424KB

Download
memory/2028-58-0x00000000005D0000-0x00000000005DC000-memory.dmp

Filesize
48KB

Download
memory/2028-54-0x0000000000B60000-0x0000000000C20000-memory.dmp

Filesize
768KB

Download
memory/2028-56-0x0000000000700000-0x0000000000714000-memory.dmp

Filesize
80KB

Download
memory/2028-60-0x00000000022F0000-0x0000000002322000-memory.dmp

Filesize
200KB

Download
memory/2028-55-0x0000000004AD0000-0x0000000004B10000-memory.dmp

Filesize
256KB

Download
memory/2028-57-0x0000000004AD0000-0x0000000004B10000-memory.dmp

Filesize
256KB

Download

Analysis

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