agenttesla | 97fcc96f5cabb14de13c297ee437dedec50fe6038e5ad2708721114a63ee594a

Analysis

max time kernel
135s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2022 13:35

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General

Target

Docs.exe
Size

902KB
MD5

d63bc4ad5fcf9c970ea56abf2619f8d3
SHA1

42e7d7bf12ccdc7c132bb2c4cc26a74add7cfbac
SHA256

97fcc96f5cabb14de13c297ee437dedec50fe6038e5ad2708721114a63ee594a
SHA512

76b5e1640a608a9e07648da16cc585b941a7da2142aadce5499be8e4355b4defe2f072c9ec15bb827ea0d87536693784ef186ff31a734e4290ec0ebf2a798616
SSDEEP

12288:MQYt2iNOAmdwwCgXCRNCyqkP1wMbVTP1RdqjJ5nLmcYUMtf3eizCaMGmSZB3mOI4:yt1yNoRNCf+1w+Vb1GjrLM

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.multifastners.net
Port:
587
Username:
[email protected]
Password:
eqr3J[&x}Wv?OpZ#Aa

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Docs.exe

description pid process target process

PID 3284 set thread context of 2316 3284 Docs.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Docs.exeRegSvcs.exe

pid process

3284 Docs.exe
2316 RegSvcs.exe
2316 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Docs.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3284 Docs.exe
Token: SeDebugPrivilege 2316 RegSvcs.exe

description	pid	process	target process
PID 3284 set thread context of 2316	3284	Docs.exe	RegSvcs.exe

pid	process
3284	Docs.exe
2316	RegSvcs.exe
2316	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3284	Docs.exe
Token: SeDebugPrivilege	2316	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Docs.exe

description	pid	process	target process
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe
PID 3284 wrote to memory of 2316	3284	Docs.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Docs.exe
"C:\Users\Admin\AppData\Local\Temp\Docs.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3284

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2316-137-0x0000000000000000-mapping.dmp

Download
memory/2316-138-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2316-139-0x0000000006240000-0x00000000062A6000-memory.dmp

Filesize
408KB

Download
memory/2316-140-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/3284-132-0x0000000000690000-0x0000000000778000-memory.dmp

Filesize
928KB

Download
memory/3284-133-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/3284-134-0x0000000005160000-0x00000000051F2000-memory.dmp

Filesize
584KB

Download
memory/3284-135-0x0000000005200000-0x000000000529C000-memory.dmp

Filesize
624KB

Download
memory/3284-136-0x0000000005600000-0x000000000560A000-memory.dmp

Filesize
40KB

Download