agenttesla | a6d985c984742eaef4baa9647cb3de87a5de7e2f3a33e63d255a29d1bedf2b46

General

Target

POLwtksTxCFgqh7.exe
Size

469KB
MD5

5d272c686eeb536b59cc1e899e47c07b
SHA1

a40f0308d6566b917ac5a612d6f9eca57f63eca6
SHA256

a563a898ce1c8dcac374ef8a468e39a185ca3b010f1a41b60731a7beac23f846
SHA512

d25dd0d00316b7dc68caf58b1eae4478edea1d1ff6b65cc797b6b11029a0e8f3d72b770fcf43d8f717631832d20b76069924c361c7fc13c25f2329920f705ad3

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.islandkingpools.com
Port:
587
Username:
accounts@islandkingpools.com
Password:
Accounts$678

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.islandkingpools.com
Port:
587
Username:
accounts@islandkingpools.com
Password:
Accounts$678

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/748-151-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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:

POLwtksTxCFgqh7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	POLwtksTxCFgqh7.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

POLwtksTxCFgqh7.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	POLwtksTxCFgqh7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	POLwtksTxCFgqh7.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

POLwtksTxCFgqh7.exe

description pid process target process

PID 4628 set thread context of 748 4628 POLwtksTxCFgqh7.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

4348 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3084 REG.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exePOLwtksTxCFgqh7.exeRegSvcs.exe

pid process

4552 powershell.exe
4552 powershell.exe
4628 POLwtksTxCFgqh7.exe
748 RegSvcs.exe
748 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exePOLwtksTxCFgqh7.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4552 powershell.exe
Token: SeDebugPrivilege 4628 POLwtksTxCFgqh7.exe
Token: SeDebugPrivilege 748 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

748 RegSvcs.exe

description	pid	process	target process
PID 4628 set thread context of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe

pid	process
4348	schtasks.exe

pid	process
3084	REG.exe

pid	process
4552	powershell.exe
4552	powershell.exe
4628	POLwtksTxCFgqh7.exe
748	RegSvcs.exe
748	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4552	powershell.exe
Token: SeDebugPrivilege	4628	POLwtksTxCFgqh7.exe
Token: SeDebugPrivilege	748	RegSvcs.exe

pid	process
748	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

POLwtksTxCFgqh7.exeRegSvcs.exe

description	pid	process	target process
PID 4628 wrote to memory of 4552	4628	POLwtksTxCFgqh7.exe	powershell.exe
PID 4628 wrote to memory of 4552	4628	POLwtksTxCFgqh7.exe	powershell.exe
PID 4628 wrote to memory of 4552	4628	POLwtksTxCFgqh7.exe	powershell.exe
PID 4628 wrote to memory of 4348	4628	POLwtksTxCFgqh7.exe	schtasks.exe
PID 4628 wrote to memory of 4348	4628	POLwtksTxCFgqh7.exe	schtasks.exe
PID 4628 wrote to memory of 4348	4628	POLwtksTxCFgqh7.exe	schtasks.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 4628 wrote to memory of 748	4628	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 748 wrote to memory of 3084	748	RegSvcs.exe	REG.exe
PID 748 wrote to memory of 3084	748	RegSvcs.exe	REG.exe
PID 748 wrote to memory of 3084	748	RegSvcs.exe	REG.exe
PID 748 wrote to memory of 4796	748	RegSvcs.exe	netsh.exe
PID 748 wrote to memory of 4796	748	RegSvcs.exe	netsh.exe
PID 748 wrote to memory of 4796	748	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\POLwtksTxCFgqh7.exe
"C:\Users\Admin\AppData\Local\Temp\POLwtksTxCFgqh7.exe"
1⤵
- Checks computer location settings
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4552

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uDIgzYn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp15E9.tmp"
2⤵
- Creates scheduled task(s)
PID:4348

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:748

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:3084

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4796

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

3

T1112

Disabling Security Tools

2

T1089

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp15E9.tmp
Filesize
1KB

MD5
5b2262c46433df540f7e09fa3443ea43

SHA1
6bc9d053a650c304bf3f1fec56009839091b2199

SHA256
f77a830c88139678caaa1a4d2911e084047dc9cb7d185c4567e6627e3d355bc9

SHA512
3fdd9ec20552a6588b59e82a3b617c2ed8a3cf2c93200d3a022e372a904912be9cf06cb107a2cf3aa4095171444a79d60400088537e1fcfd76020049f2a3ec27

Download Submit
memory/748-152-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/748-151-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/748-150-0x0000000000000000-mapping.dmp

Download
memory/3084-153-0x0000000000000000-mapping.dmp

Download
memory/4348-148-0x0000000000000000-mapping.dmp

Download
memory/4552-136-0x0000000005B90000-0x0000000005BF6000-memory.dmp

Filesize
408KB

Download
memory/4552-145-0x00000000076E0000-0x00000000076EE000-memory.dmp

Filesize
56KB

Download
memory/4552-138-0x0000000006780000-0x00000000067B2000-memory.dmp

Filesize
200KB

Download
memory/4552-139-0x000000006E630000-0x000000006E67C000-memory.dmp

Filesize
304KB

Download
memory/4552-140-0x0000000006760000-0x000000000677E000-memory.dmp

Filesize
120KB

Download
memory/4552-141-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/4552-142-0x00000000074B0000-0x00000000074CA000-memory.dmp

Filesize
104KB

Download
memory/4552-143-0x0000000007520000-0x000000000752A000-memory.dmp

Filesize
40KB

Download
memory/4552-144-0x0000000007730000-0x00000000077C6000-memory.dmp

Filesize
600KB

Download
memory/4552-137-0x00000000061B0000-0x00000000061CE000-memory.dmp

Filesize
120KB

Download
memory/4552-146-0x00000000077F0000-0x000000000780A000-memory.dmp

Filesize
104KB

Download
memory/4552-147-0x00000000077D0000-0x00000000077D8000-memory.dmp

Filesize
32KB

Download
memory/4552-131-0x0000000000000000-mapping.dmp

Download
memory/4552-135-0x0000000005B20000-0x0000000005B86000-memory.dmp

Filesize
408KB

Download
memory/4552-134-0x0000000005200000-0x0000000005222000-memory.dmp

Filesize
136KB

Download
memory/4552-133-0x0000000005480000-0x0000000005AA8000-memory.dmp

Filesize
6.2MB

Download
memory/4552-132-0x0000000002870000-0x00000000028A6000-memory.dmp

Filesize
216KB

Download
memory/4628-130-0x0000000074910000-0x0000000074EC1000-memory.dmp

Filesize
5.7MB

Download
memory/4796-154-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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