agenttesla | 05f57a596df25f644b493c9b68f3443c6b2e61afe036701444d1d8d81775a8c9

General

Target

proforma invoice.exe
Size

388KB
MD5

07a9c9d3de53ce20de184c9b22137657
SHA1

38db554f03a2b190c7d485c3cb52e6a8d70abba9
SHA256

af0902b859d5df130dc0b9f8e0541b88da80683721307249b239e5da98050811
SHA512

3f98a41b2d9a274c8a855e4b05c99c9ef575df87273961d0cca5660b7631e577606747396cc65e691ed3318cc78371179a8c48bcd8e46ea5fc284ee88bdd8d62
SSDEEP

12288:ABSBmd3IFhfV/AMcIlXbK/sXGgSCkZUKxE:3BRNJZmsXGgroq

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
behavioral2/memory/2588-11-0x0000000000400000-0x000000000043C000-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-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\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

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

proforma invoice.exe

description pid process target process

PID 1616 set thread context of 2588 1616 proforma invoice.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

proforma invoice.exeRegSvcs.exe

pid process

1616 proforma invoice.exe
1616 proforma invoice.exe
1616 proforma invoice.exe
2588 RegSvcs.exe
2588 RegSvcs.exe
2588 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

proforma invoice.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1616 proforma invoice.exe
Token: SeDebugPrivilege 2588 RegSvcs.exe

description	pid	process	target process
PID 1616 set thread context of 2588	1616	proforma invoice.exe	RegSvcs.exe

pid	process
1616	proforma invoice.exe
1616	proforma invoice.exe
1616	proforma invoice.exe
2588	RegSvcs.exe
2588	RegSvcs.exe
2588	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1616	proforma invoice.exe
Token: SeDebugPrivilege	2588	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

proforma invoice.exe

description	pid	process	target process
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe
PID 1616 wrote to memory of 2588	1616	proforma invoice.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\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-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616

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:2588

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4116 --field-trial-handle=2256,i,5035714022000286426,16259316383734940314,262144 --variations-seed-version /prefetch:8
1⤵
PID:3284

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1616-10-0x00000000068B0000-0x0000000006910000-memory.dmp

Filesize
384KB

Download
memory/1616-4-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1616-1-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/1616-15-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/1616-3-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/1616-5-0x0000000005800000-0x000000000580A000-memory.dmp

Filesize
40KB

Download
memory/1616-6-0x0000000005AE0000-0x0000000005AEA000-memory.dmp

Filesize
40KB

Download
memory/1616-7-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/1616-8-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1616-9-0x0000000006660000-0x00000000066FC000-memory.dmp

Filesize
624KB

Download
memory/1616-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/1616-0-0x0000000000DD0000-0x0000000000E38000-memory.dmp

Filesize
416KB

Download
memory/2588-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2588-13-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/2588-14-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/2588-16-0x0000000005630000-0x0000000005648000-memory.dmp

Filesize
96KB

Download
memory/2588-17-0x00000000063B0000-0x0000000006416000-memory.dmp

Filesize
408KB

Download
memory/2588-19-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/2588-20-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/2588-22-0x0000000006810000-0x0000000006860000-memory.dmp

Filesize
320KB

Download
memory/2588-23-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads