agenttesla | d3e17c82c0fc551af072e0b8db0eb7c823bd38334d558fd742158ffb7ae21da7

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-en-20211014
submitted
11/11/2021, 04:50

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General

Target
INVOICE ASIAN SHIPPINGS.exe
Size 597KB
Sample211111-ff96rafhan
SHA256 d3e17c82c0fc551af072e0b8db0eb7c823bd38334d558fd742158ffb7ae21da7
MD5 d5ee5b90e3f3bae4d66ef0a2a38cf9eb
SHA1 fa281459120b760aa6d65db47a361b8853876364
SHA512 0a3c6c0609ddf86b63c605a7011684dc44c8734b1a0818c2c93947d3e9aacd2734343a6843c45a5a3c9fc2384c98d12a3a2962deca6e9e96b34254c67501328f
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.packsealsind.com
Port
587
Username
[email protected]
Password
%Y44i3op

Signatures

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

AgentTesla Payload 6 IoCs

resource	yara_rule
behavioral1/memory/308-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/308-72-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/308-71-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/308-73-0x000000000043749E-mapping.dmp	family_agenttesla
behavioral1/memory/308-74-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/828-80-0x00000000024B0000-0x00000000030FA000-memory.dmp	family_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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE ASIAN SHIPPINGS.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE ASIAN SHIPPINGS.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE ASIAN SHIPPINGS.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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\VPaGlQO = "C:\\Users\\Admin\\AppData\\Roaming\\VPaGlQO\\VPaGlQO.exe"	INVOICE ASIAN SHIPPINGS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
308	INVOICE ASIAN SHIPPINGS.exe
308	INVOICE ASIAN SHIPPINGS.exe
1932	powershell.exe
828	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	308	INVOICE ASIAN SHIPPINGS.exe
Token: SeDebugPrivilege	1932	powershell.exe
Token: SeDebugPrivilege	828	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 828	1644	INVOICE ASIAN SHIPPINGS.exe	28
PID 1644 wrote to memory of 828	1644	INVOICE ASIAN SHIPPINGS.exe	28
PID 1644 wrote to memory of 828	1644	INVOICE ASIAN SHIPPINGS.exe	28
PID 1644 wrote to memory of 828	1644	INVOICE ASIAN SHIPPINGS.exe	28
PID 1644 wrote to memory of 1932	1644	INVOICE ASIAN SHIPPINGS.exe	30
PID 1644 wrote to memory of 1932	1644	INVOICE ASIAN SHIPPINGS.exe	30
PID 1644 wrote to memory of 1932	1644	INVOICE ASIAN SHIPPINGS.exe	30
PID 1644 wrote to memory of 1932	1644	INVOICE ASIAN SHIPPINGS.exe	30
PID 1644 wrote to memory of 964	1644	INVOICE ASIAN SHIPPINGS.exe	32
PID 1644 wrote to memory of 964	1644	INVOICE ASIAN SHIPPINGS.exe	32
PID 1644 wrote to memory of 964	1644	INVOICE ASIAN SHIPPINGS.exe	32
PID 1644 wrote to memory of 964	1644	INVOICE ASIAN SHIPPINGS.exe	32
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34
PID 1644 wrote to memory of 308	1644	INVOICE ASIAN SHIPPINGS.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE ASIAN SHIPPINGS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE ASIAN SHIPPINGS.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE ASIAN SHIPPINGS.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE ASIAN SHIPPINGS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1644
- 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\INVOICE ASIAN SHIPPINGS.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:828
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fBtGRtOsqXLpif.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1932
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fBtGRtOsqXLpif" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC82F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:964
- C:\Users\Admin\AppData\Local\Temp\INVOICE ASIAN SHIPPINGS.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE ASIAN SHIPPINGS.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:308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/308-69-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/308-78-0x0000000004C10000-0x0000000004C11000-memory.dmp

Download

memory/308-83-0x0000000004C11000-0x0000000004C12000-memory.dmp

Download

memory/308-74-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/308-71-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/308-72-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/308-70-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/308-68-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/828-82-0x00000000024B0000-0x00000000030FA000-memory.dmp

Download

memory/828-77-0x00000000024B0000-0x00000000030FA000-memory.dmp

Download

memory/828-80-0x00000000024B0000-0x00000000030FA000-memory.dmp

Download

memory/1644-57-0x00000000757A1000-0x00000000757A3000-memory.dmp

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memory/1644-58-0x0000000004F00000-0x0000000004F01000-memory.dmp

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memory/1644-59-0x00000000002C0000-0x00000000002C5000-memory.dmp

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memory/1644-55-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Download

memory/1644-60-0x0000000000960000-0x00000000009B4000-memory.dmp

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memory/1932-79-0x00000000025B1000-0x00000000025B2000-memory.dmp

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memory/1932-81-0x00000000025B2000-0x00000000025B4000-memory.dmp

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memory/1932-76-0x00000000025B0000-0x00000000025B1000-memory.dmp

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