agenttesla | 1a2283bb101bc94c20d48d0ad06f11ce6cb7d0ad76e117a4176b71900dd4c6b3

General

Target

pol.exe
Size

627KB
MD5

1363b11e2105d3486b2b5e8479c57a12
SHA1

b9d24a83153aa0af8b1d00214096ddc75d0464e1
SHA256

1a2283bb101bc94c20d48d0ad06f11ce6cb7d0ad76e117a4176b71900dd4c6b3
SHA512

ac431b6933b6b46e73e958efed679986df80b8b867536908375b36bef259e4521b6488dea91c30ceb1cfd92b0c26a1f5d044ea4d824eff2eaa3280191575765b

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0023.prod.sin2.secureserver.net
Port:
587
Username:
[email protected]
Password:
User@40378

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3048-161-0x0000000000400000-0x000000000043C000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

pol.exe

description pid process target process

PID 3584 set thread context of 3048 3584 pol.exe RegSvcs.exe

description	pid	process	target process
PID 3584 set thread context of 3048	3584	pol.exe	RegSvcs.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

sihclient.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache\7\52C64B7E	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	sihclient.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

pol.exeRegSvcs.exe

pid process

3584 pol.exe
3584 pol.exe
3048 RegSvcs.exe
3048 RegSvcs.exe

pid	process
3584	pol.exe
3584	pol.exe
3048	RegSvcs.exe
3048	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

svchost.exepol.exeRegSvcs.exe

description	pid	process
Token: SeSystemtimePrivilege	4924	svchost.exe
Token: SeSystemtimePrivilege	4924	svchost.exe
Token: SeIncBasePriorityPrivilege	4924	svchost.exe
Token: SeDebugPrivilege	3584	pol.exe
Token: SeDebugPrivilege	3048	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

pol.exe

description	pid	process	target process
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe
PID 3584 wrote to memory of 3048	3584	pol.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\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-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\pol.exe
"C:\Users\Admin\AppData\Local\Temp\pol.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3048

C:\Windows\System32\Upfc.exe
C:\Windows\System32\Upfc.exe /launchtype periodic /cv I3fkV4owRUy1ZxZX4HESJw.0
1⤵
PID:4956

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv pVzHgpXms02TJxnTGiup5w.0.2
1⤵
- Modifies data under HKEY_USERS
PID:4620

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
- Modifies data under HKEY_USERS
PID:3816

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s W32Time
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4924

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:2832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3048-160-0x0000000000000000-mapping.dmp

Download
memory/3048-180-0x0000000005000000-0x00000000055A6000-memory.dmp

Filesize
5.6MB

Download
memory/3048-178-0x00000000067A0000-0x00000000067A1000-memory.dmp

Filesize
4KB

Download
memory/3048-171-0x00000000062F0000-0x00000000062F1000-memory.dmp

Filesize
4KB

Download
memory/3048-170-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/3048-169-0x0000000005000000-0x00000000055A6000-memory.dmp

Filesize
5.6MB

Download
memory/3048-161-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3584-159-0x0000000007860000-0x00000000078DD000-memory.dmp

Filesize
500KB

Download
memory/3584-149-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/3584-156-0x0000000004A70000-0x0000000005016000-memory.dmp

Filesize
5.6MB

Download
memory/3584-157-0x0000000007390000-0x0000000007395000-memory.dmp

Filesize
20KB

Download
memory/3584-158-0x00000000076C0000-0x00000000076C1000-memory.dmp

Filesize
4KB

Download
memory/3584-155-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/3584-154-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/3584-153-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/3584-152-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/3584-151-0x0000000005020000-0x0000000005021000-memory.dmp

Filesize
4KB

Download
memory/3816-146-0x0000018C32160000-0x0000018C32170000-memory.dmp

Filesize
64KB

Download
memory/3816-172-0x0000018C34AA0000-0x0000018C34AA4000-memory.dmp

Filesize
16KB

Download
memory/3816-173-0x0000018C34A60000-0x0000018C34A61000-memory.dmp

Filesize
4KB

Download
memory/3816-174-0x0000018C325E0000-0x0000018C325E4000-memory.dmp

Filesize
16KB

Download
memory/3816-175-0x0000018C325D0000-0x0000018C325D1000-memory.dmp

Filesize
4KB

Download
memory/3816-176-0x0000018C325D0000-0x0000018C325D4000-memory.dmp

Filesize
16KB

Download
memory/3816-177-0x0000018C324B0000-0x0000018C324B1000-memory.dmp

Filesize
4KB

Download
memory/3816-148-0x0000018C325B0000-0x0000018C325B4000-memory.dmp

Filesize
16KB

Download
memory/3816-147-0x0000018C321E0000-0x0000018C321F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads