agenttesla | 1a1649fe96f3711a5af037918c440701ac828722879d118e12e761541c266490

General

Target

Invoice.exe
Size

430KB
MD5

cd9794b192b65afe8eb044f5da433695
SHA1

ce0c3552c8da19531b70150f6e406528c45549de
SHA256

ef96df6ea910efa18ab195dcdc724bb1f405d520862da83da33ce31a7f405c47
SHA512

e246255c1fc3149b1d0312df95721a455b1e084bf79ca561bffffba6b3d286adad21604b6d497c71ebadfdc8e25e14c4e84f2ba28f4fbe817fe011e7ebea0ab9

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
coronavirus2020

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
coronavirus2020

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
behavioral4/memory/316-134-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Invoice.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Invoice.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 3196 set thread context of 316 3196 Invoice.exe MSBuild.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

4456 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Invoice.exeMSBuild.exe

pid process

3196 Invoice.exe
316 MSBuild.exe
316 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 3196 Invoice.exe
Token: SeDebugPrivilege 316 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

316 MSBuild.exe

description	pid	process	target process
PID 3196 set thread context of 316	3196	Invoice.exe	MSBuild.exe

pid	process
4456	schtasks.exe

pid	process
3196	Invoice.exe
316	MSBuild.exe
316	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3196	Invoice.exe
Token: SeDebugPrivilege	316	MSBuild.exe

pid	process
316	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 3196 wrote to memory of 4456	3196	Invoice.exe	schtasks.exe
PID 3196 wrote to memory of 4456	3196	Invoice.exe	schtasks.exe
PID 3196 wrote to memory of 4456	3196	Invoice.exe	schtasks.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe
PID 3196 wrote to memory of 316	3196	Invoice.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3196

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDVVAnmyeTaAna" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC553.tmp"
2⤵
- Creates scheduled task(s)
PID:4456

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC553.tmp
Filesize
1KB

MD5
53b88a9d92d7e3e4c75759cb05f3504f

SHA1
8c0725ff645dc828580378c45cc2152a68a027c5

SHA256
e91e3772f70b395c26ad65ea0a49c0d308344c31f1dfe047ebf8e184b65eb890

SHA512
2836076d359ed730db6d1e02db0e46eafd32136a68de7a64bb6525675a5e0d51b6b73515c263bfd3b8709bf34aee50ae673cb246228b84aafd521fbac201e321

Download Submit
memory/316-133-0x0000000000000000-mapping.dmp

Download
memory/316-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/316-135-0x0000000075360000-0x0000000075911000-memory.dmp

Filesize
5.7MB

Download
memory/3196-130-0x0000000075360000-0x0000000075911000-memory.dmp

Filesize
5.7MB

Download
memory/4456-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads