agenttesla | a81e919be20c26807dc7d775ccdc026d4a9daf0116661dff5e3fbdaf29effe19

Analysis

max time kernel
127s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2023 08:11

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General

Target

PO.exe
Size

740KB
MD5

b8544d8facfb793edab9d38921933728
SHA1

5ab5b9c19dd1cf189b49be90233e32dacd32e9e6
SHA256

a81e919be20c26807dc7d775ccdc026d4a9daf0116661dff5e3fbdaf29effe19
SHA512

f59aee69180a55f43c35ee32cb0a3a4b58994fd25a195d7557719a0f7b6c482fe561fd13a239772e32a04512391ffaed520ab85399eb0dbff75356585e88ac6f
SSDEEP

12288:DWVretW8G34/uK45+po2ys7l/yOKRXDGz5aTbFQG1uJ073ZCeg/:4x34/up+pJyoaOMTGz5atQZJ0r

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:
kV$bSqJ1 daniel
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

PO.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Control Panel\International\Geo\Nation PO.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
T1552.001
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
T1552.001
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
T1552.001

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Control Panel\International\Geo\Nation	PO.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PO.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	PO.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.

Processes:

flow ioc

41 api.ipify.org
42 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.exe

description pid process target process

PID 4388 set thread context of 4808 4388 PO.exe PO.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

3740 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PO.exepowershell.exe

pid process

4388 PO.exe
4388 PO.exe
2880 powershell.exe
2880 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO.exePO.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4388 PO.exe
Token: SeDebugPrivilege 4808 PO.exe
Token: SeDebugPrivilege 2880 powershell.exe

flow	ioc
41	api.ipify.org
42	api.ipify.org

description	pid	process	target process
PID 4388 set thread context of 4808	4388	PO.exe	PO.exe

pid	process
3740	schtasks.exe

pid	process
4388	PO.exe
4388	PO.exe
2880	powershell.exe
2880	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4388	PO.exe
Token: SeDebugPrivilege	4808	PO.exe
Token: SeDebugPrivilege	2880	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PO.exe

description	pid	process	target process
PID 4388 wrote to memory of 2880	4388	PO.exe	powershell.exe
PID 4388 wrote to memory of 2880	4388	PO.exe	powershell.exe
PID 4388 wrote to memory of 2880	4388	PO.exe	powershell.exe
PID 4388 wrote to memory of 3740	4388	PO.exe	schtasks.exe
PID 4388 wrote to memory of 3740	4388	PO.exe	schtasks.exe
PID 4388 wrote to memory of 3740	4388	PO.exe	schtasks.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe
PID 4388 wrote to memory of 4808	4388	PO.exe	PO.exe

outlook_office_path 1 IoCs

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

outlook_win_path 1 IoCs

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4388

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WLJIUp.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WLJIUp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BE0.tmp"
2⤵
- Creates scheduled task(s)
PID:3740

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cc3i3dmd.nmu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1BE0.tmp

Filesize
1KB

MD5
f4276988a2e8ddd7fa56bf324c8da2a2

SHA1
31c786e3a6c03ffd02883e4e3770539184d9c52b

SHA256
74740d7a34414885995b2e4aeffcbad865fd4424d803651fd8664c84f34567c7

SHA512
5f127e8bc943faa3d66953c59e6c920959d66c3f6aa41540dfeab056575446fddd1c432e8087831f5afbc85866db3bb900ee5480b627ce0a6182dfdf1d95708d

Download Submit
memory/2880-66-0x0000000007260000-0x0000000007274000-memory.dmp

Filesize
80KB

Download
memory/2880-59-0x0000000007000000-0x000000000701A000-memory.dmp

Filesize
104KB

Download
memory/2880-71-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2880-68-0x0000000007340000-0x0000000007348000-memory.dmp

Filesize
32KB

Download
memory/2880-67-0x0000000007360000-0x000000000737A000-memory.dmp

Filesize
104KB

Download
memory/2880-56-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/2880-65-0x0000000007250000-0x000000000725E000-memory.dmp

Filesize
56KB

Download
memory/2880-64-0x0000000007200000-0x0000000007211000-memory.dmp

Filesize
68KB

Download
memory/2880-63-0x0000000007280000-0x0000000007316000-memory.dmp

Filesize
600KB

Download
memory/2880-15-0x0000000004730000-0x0000000004766000-memory.dmp

Filesize
216KB

Download
memory/2880-60-0x0000000007070000-0x000000000707A000-memory.dmp

Filesize
40KB

Download
memory/2880-17-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2880-19-0x0000000004DC0000-0x00000000053E8000-memory.dmp

Filesize
6.2MB

Download
memory/2880-28-0x0000000004D00000-0x0000000004D22000-memory.dmp

Filesize
136KB

Download
memory/2880-22-0x0000000004780000-0x0000000004790000-memory.dmp

Filesize
64KB

Download
memory/2880-58-0x0000000007640000-0x0000000007CBA000-memory.dmp

Filesize
6.5MB

Download
memory/2880-57-0x0000000006EC0000-0x0000000006F63000-memory.dmp

Filesize
652KB

Download
memory/2880-29-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/2880-46-0x00000000710D0000-0x000000007111C000-memory.dmp

Filesize
304KB

Download
memory/2880-18-0x0000000004780000-0x0000000004790000-memory.dmp

Filesize
64KB

Download
memory/2880-45-0x0000000006C80000-0x0000000006CB2000-memory.dmp

Filesize
200KB

Download
memory/2880-44-0x000000007F140000-0x000000007F150000-memory.dmp

Filesize
64KB

Download
memory/2880-39-0x0000000005730000-0x0000000005A84000-memory.dmp

Filesize
3.3MB

Download
memory/2880-41-0x0000000005DA0000-0x0000000005DEC000-memory.dmp

Filesize
304KB

Download
memory/2880-42-0x0000000004780000-0x0000000004790000-memory.dmp

Filesize
64KB

Download
memory/2880-40-0x0000000005CF0000-0x0000000005D0E000-memory.dmp

Filesize
120KB

Download
memory/4388-23-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/4388-8-0x0000000005C80000-0x0000000005C8A000-memory.dmp

Filesize
40KB

Download
memory/4388-21-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4388-27-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4388-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/4388-0-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4388-1-0x0000000000B60000-0x0000000000C20000-memory.dmp

Filesize
768KB

Download
memory/4388-4-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/4388-6-0x0000000005910000-0x0000000005928000-memory.dmp

Filesize
96KB

Download
memory/4388-5-0x0000000005620000-0x000000000562A000-memory.dmp

Filesize
40KB

Download
memory/4388-3-0x0000000005640000-0x00000000056D2000-memory.dmp

Filesize
584KB

Download
memory/4388-7-0x0000000005C70000-0x0000000005C78000-memory.dmp

Filesize
32KB

Download
memory/4388-10-0x0000000006900000-0x000000000699C000-memory.dmp

Filesize
624KB

Download
memory/4388-9-0x0000000006AD0000-0x0000000006B3A000-memory.dmp

Filesize
424KB

Download
memory/4808-25-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4808-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4808-72-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4808-73-0x0000000005490000-0x00000000054A0000-memory.dmp

Filesize
64KB

Download
memory/4808-62-0x00000000072E0000-0x00000000074A2000-memory.dmp

Filesize
1.8MB

Download
memory/4808-26-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/4808-61-0x0000000006FA0000-0x0000000006FF0000-memory.dmp

Filesize
320KB

Download