agenttesla | 429200fcff319513ff946fae51d5bb4500f969e02f5dcc02bc7333506b77635b

General

Target

70654 SSEBACT.exe
Size

389KB
MD5

54ad9166b1a65288183c4ee3a5fd0750
SHA1

36fad28b8c9b45a7b90c3f2fd4e5785b859e48ae
SHA256

faaa464df297e2bda628f86354e76da115e88941ec92386302a6cac74fecfca0
SHA512

3b9a58297ac116f94e8728a660cbb963c00722acb3c202ad23f7133eac2368bdbf665c32a1fa10b6f122dd5058113f54ed64fbfdfc1be66f7a701453aef59eba

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.timsonlogisticske.com
Port:
587
Username:
[email protected]
Password:
timsam2015

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/692-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/692-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/692-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/692-65-0x00000000004375EE-mapping.dmp	family_agenttesla
behavioral1/memory/692-66-0x0000000000400000-0x000000000043C000-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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

70654 SSEBACT.exe

description pid process target process

PID 1188 set thread context of 692 1188 70654 SSEBACT.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

70654 SSEBACT.exeRegSvcs.exe

pid process

1188 70654 SSEBACT.exe
1188 70654 SSEBACT.exe
692 RegSvcs.exe
692 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

70654 SSEBACT.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1188 70654 SSEBACT.exe
Token: SeDebugPrivilege 692 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

70654 SSEBACT.exe

pid process

1188 70654 SSEBACT.exe
1188 70654 SSEBACT.exe

description	pid	process	target process
PID 1188 set thread context of 692	1188	70654 SSEBACT.exe	RegSvcs.exe

pid	process
1188	70654 SSEBACT.exe
1188	70654 SSEBACT.exe
692	RegSvcs.exe
692	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1188	70654 SSEBACT.exe
Token: SeDebugPrivilege	692	RegSvcs.exe

pid	process
1188	70654 SSEBACT.exe
1188	70654 SSEBACT.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

70654 SSEBACT.exe

description	pid	process	target process
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe
PID 1188 wrote to memory of 692	1188	70654 SSEBACT.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe
"C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1188

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:692

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/692-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/692-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/692-69-0x00000000003A1000-0x00000000003A2000-memory.dmp

Filesize
4KB

Download
memory/692-68-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/692-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/692-65-0x00000000004375EE-mapping.dmp

Download
memory/692-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/692-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/692-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1188-53-0x0000000001190000-0x0000000001191000-memory.dmp

Filesize
4KB

Download
memory/1188-55-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/1188-59-0x0000000008050000-0x00000000080A8000-memory.dmp

Filesize
352KB

Download
memory/1188-58-0x0000000004CB2000-0x0000000004CB3000-memory.dmp

Filesize
4KB

Download
memory/1188-57-0x0000000004CB1000-0x0000000004CB2000-memory.dmp

Filesize
4KB

Download
memory/1188-56-0x0000000000C40000-0x0000000000C48000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads