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

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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/692-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/692-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/692-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/692-67-0x000000000044CD4E-mapping.dmp	family_agenttesla
behavioral1/memory/692-69-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/692-71-0x0000000000400000-0x0000000000452000-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

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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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 1908 set thread context of 692 1908 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

1968 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1124 REG.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exePOLwtksTxCFgqh7.exeRegSvcs.exe

pid process

2044 powershell.exe
1908 POLwtksTxCFgqh7.exe
692 RegSvcs.exe
692 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exePOLwtksTxCFgqh7.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2044 powershell.exe
Token: SeDebugPrivilege 1908 POLwtksTxCFgqh7.exe
Token: SeDebugPrivilege 692 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

692 RegSvcs.exe

description	pid	process	target process
PID 1908 set thread context of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe

pid	process
1968	schtasks.exe

pid	process
1124	REG.exe

pid	process
2044	powershell.exe
1908	POLwtksTxCFgqh7.exe
692	RegSvcs.exe
692	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeDebugPrivilege	1908	POLwtksTxCFgqh7.exe
Token: SeDebugPrivilege	692	RegSvcs.exe

pid	process
692	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

POLwtksTxCFgqh7.exeRegSvcs.exe

description	pid	process	target process
PID 1908 wrote to memory of 2044	1908	POLwtksTxCFgqh7.exe	powershell.exe
PID 1908 wrote to memory of 2044	1908	POLwtksTxCFgqh7.exe	powershell.exe
PID 1908 wrote to memory of 2044	1908	POLwtksTxCFgqh7.exe	powershell.exe
PID 1908 wrote to memory of 2044	1908	POLwtksTxCFgqh7.exe	powershell.exe
PID 1908 wrote to memory of 1968	1908	POLwtksTxCFgqh7.exe	schtasks.exe
PID 1908 wrote to memory of 1968	1908	POLwtksTxCFgqh7.exe	schtasks.exe
PID 1908 wrote to memory of 1968	1908	POLwtksTxCFgqh7.exe	schtasks.exe
PID 1908 wrote to memory of 1968	1908	POLwtksTxCFgqh7.exe	schtasks.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 1908 wrote to memory of 692	1908	POLwtksTxCFgqh7.exe	RegSvcs.exe
PID 692 wrote to memory of 1124	692	RegSvcs.exe	REG.exe
PID 692 wrote to memory of 1124	692	RegSvcs.exe	REG.exe
PID 692 wrote to memory of 1124	692	RegSvcs.exe	REG.exe
PID 692 wrote to memory of 1124	692	RegSvcs.exe	REG.exe
PID 692 wrote to memory of 304	692	RegSvcs.exe	netsh.exe
PID 692 wrote to memory of 304	692	RegSvcs.exe	netsh.exe
PID 692 wrote to memory of 304	692	RegSvcs.exe	netsh.exe
PID 692 wrote to memory of 304	692	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\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⤵
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uDIgzYn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp818F.tmp"
2⤵
- Creates scheduled task(s)
PID:1968

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:692

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:1124

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:304

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp818F.tmp
Filesize
1KB

MD5
397e208b5ddaff2913e0d36993c9fa06

SHA1
e4d756c50e73f0f681ccba1ced0624480739cddf

SHA256
07572d3dfae5fabb754a8aa330f8ca983907b9f8c46b0901dca4eb3189a14fb8

SHA512
1eff6e5d5a9b08d88aa1e534715c2b7268ad7e1e8676f691d9aa29f3de5b3cbc156bd30a2d5848a9b01e21d646e3ac94e5ecc77404e57081df7b79871fd5a194

Download Submit
memory/304-75-0x0000000000000000-mapping.dmp

Download
memory/692-69-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/692-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/692-73-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/692-71-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/692-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/692-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/692-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/692-67-0x000000000044CD4E-mapping.dmp

Download
memory/692-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1124-74-0x0000000000000000-mapping.dmp

Download
memory/1908-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1908-55-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-59-0x0000000000000000-mapping.dmp

Download
memory/2044-58-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads