agenttesla | 066fa03544fafe77b9dec2db0fbc53a39bd9b04ccaf626574b8bcfc3cd0f8d6d

General

Target

Order specification.exe
Size

1.3MB
MD5

806c3237c2ea7615d9187127ab7c5d42
SHA1

1e3643893e5a7a2f91afc4091e1391a79988ce38
SHA256

3415b00698070382206702b57a7312c1eeba1f33aff4a02511eeb0fd9ce002c6
SHA512

5a55db591d8008a99ec40a57a4db730b5ecbccfeb02a45b4cc0f5beab65d2dc1e0a8826c0758d536fbf2b47cee64b60f978524cb0c585e9215ee11f1a3992a65

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.sarniotex.com
Port:
587
Username:
[email protected]
Password:
dL@KoFb6

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/4032-131-0x0000000000400000-0x000000000044C000-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:

Order specification.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Order specification.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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Order specification.exe

description pid process target process

PID 2108 set thread context of 4032 2108 Order specification.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4316 4032 WerFault.exe MSBuild.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4672 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

4032 MSBuild.exe
4032 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 4032 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

Order specification.exe

pid process

2108 Order specification.exe
2108 Order specification.exe
2108 Order specification.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

Order specification.exe

pid process

2108 Order specification.exe
2108 Order specification.exe
2108 Order specification.exe

description	pid	process	target process
PID 2108 set thread context of 4032	2108	Order specification.exe	MSBuild.exe

pid	pid_target	process	target process
4316	4032	WerFault.exe	MSBuild.exe

pid	process
4672	timeout.exe

pid	process
4032	MSBuild.exe
4032	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4032	MSBuild.exe

pid	process
2108	Order specification.exe
2108	Order specification.exe
2108	Order specification.exe

pid	process
2108	Order specification.exe
2108	Order specification.exe
2108	Order specification.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Order specification.execmd.exe

description	pid	process	target process
PID 2108 wrote to memory of 4032	2108	Order specification.exe	MSBuild.exe
PID 2108 wrote to memory of 4032	2108	Order specification.exe	MSBuild.exe
PID 2108 wrote to memory of 4032	2108	Order specification.exe	MSBuild.exe
PID 2108 wrote to memory of 4032	2108	Order specification.exe	MSBuild.exe
PID 2108 wrote to memory of 4032	2108	Order specification.exe	MSBuild.exe
PID 2108 wrote to memory of 1532	2108	Order specification.exe	cmd.exe
PID 2108 wrote to memory of 1532	2108	Order specification.exe	cmd.exe
PID 2108 wrote to memory of 1532	2108	Order specification.exe	cmd.exe
PID 1532 wrote to memory of 4672	1532	cmd.exe	timeout.exe
PID 1532 wrote to memory of 4672	1532	cmd.exe	timeout.exe
PID 1532 wrote to memory of 4672	1532	cmd.exe	timeout.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\Order specification.exe
"C:\Users\Admin\AppData\Local\Temp\Order specification.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2108

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 1532
3⤵
- Program crash
PID:4316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\Order specification.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\SysWOW64\timeout.exe
TimeOut 1
3⤵
- Delays execution with timeout.exe
PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4032 -ip 4032
1⤵
PID:4848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1532-138-0x0000000000000000-mapping.dmp

Download
memory/2108-136-0x0000000004A90000-0x0000000004B1D000-memory.dmp

Filesize
564KB

Download
memory/2108-137-0x0000000004B20000-0x0000000004BAD000-memory.dmp

Filesize
564KB

Download
memory/4032-130-0x0000000000000000-mapping.dmp

Download
memory/4032-131-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4032-139-0x00000000060C0000-0x0000000006664000-memory.dmp

Filesize
5.6MB

Download
memory/4032-140-0x00000000058B0000-0x0000000005942000-memory.dmp

Filesize
584KB

Download
memory/4032-142-0x0000000005BB0000-0x0000000005C4C000-memory.dmp

Filesize
624KB

Download
memory/4032-143-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/4032-144-0x0000000006E20000-0x0000000006E70000-memory.dmp

Filesize
320KB

Download
memory/4672-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads