agenttesla | 2eae722d2d4b7105bdc2d24e314a0dbfdf49b172b2074d6051f92ad600d13235

Analysis

max time kernel
125s
max time network
119s
platform
windows7_x64
resource
win7-en-20211208
submitted
22/12/2021, 03:17

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General

Target
PURCHASE ORDER.exe
Size 519KB
Sample211222-ds2n2affhp
SHA256 2eae722d2d4b7105bdc2d24e314a0dbfdf49b172b2074d6051f92ad600d13235
MD5 fdf993b12c33a5909794724c8dea437e
SHA1 fd06b080bd82a67ac5de88467560aa9ce3a301b6
SHA512 1e8996cd598cc958393576264ca6d32a3901c890ff1f7d7c8f938dd752e0ffd75e90a249f2eb7c5c4b2603f2b99bc76fdf678e6daae3b772d924f588dca7b919
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.gcsenagency.com
Port
587
Username
[email protected]
Password
supt@3081#

Signatures

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

AgentTesla Payload 5 IoCs

resource	yara_rule
behavioral1/memory/640-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/640-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/640-66-0x00000000004375EE-mapping.dmp	family_agenttesla
behavioral1/memory/640-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/640-67-0x0000000000400000-0x000000000043C000-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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1572 set thread context of 640	1572	PURCHASE ORDER.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1572	PURCHASE ORDER.exe
640	PURCHASE ORDER.exe
640	PURCHASE ORDER.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1572	PURCHASE ORDER.exe
Token: SeDebugPrivilege	640	PURCHASE ORDER.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 1240	1572	PURCHASE ORDER.exe	27
PID 1572 wrote to memory of 1240	1572	PURCHASE ORDER.exe	27
PID 1572 wrote to memory of 1240	1572	PURCHASE ORDER.exe	27
PID 1572 wrote to memory of 1240	1572	PURCHASE ORDER.exe	27
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28
PID 1572 wrote to memory of 640	1572	PURCHASE ORDER.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
  "{path}"
  2⤵
  PID:1240
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/640-64-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/640-62-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/640-70-0x0000000004B81000-0x0000000004B82000-memory.dmp

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memory/640-69-0x0000000004B80000-0x0000000004B81000-memory.dmp

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memory/640-67-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/640-65-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/640-63-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/640-61-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1572-54-0x0000000001320000-0x0000000001321000-memory.dmp

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memory/1572-56-0x0000000076C61000-0x0000000076C63000-memory.dmp

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memory/1572-60-0x00000000011A0000-0x00000000011D8000-memory.dmp

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memory/1572-59-0x00000000052A0000-0x000000000531C000-memory.dmp

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memory/1572-58-0x00000000004E0000-0x00000000004E5000-memory.dmp

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memory/1572-57-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

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