agenttesla | 6014fa46e5b52be9c49088fb2e8cd237bf935c83d2fb1f557e3a01bd68cedf58

General

Target

#P0092737.scr
Size

431KB
MD5

eaadfa3ac23981bfb06b63a4f8dbb6f7
SHA1

3e165aa160c709b1f2172006acf4825ce7892c9d
SHA256

15dd0d10d29e9a8844179c08a26be2eeb069604549d3470eb82993f6510d469d
SHA512

203d3812202e6476aa75d0230f69e334d818536baa7b2196e35f05206e01b0a70acfb13f8c519c888b95be641d37037418bc7671cad36c81a532effd39a7229c

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.exoticpools.com.au
Port:
587
Username:
[email protected]
Password:
SIMON3x0t1c!

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/5108-134-0x0000000000400000-0x000000000044C000-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:

#P0092737.scr

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	#P0092737.scr

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

#P0092737.scr

description pid process target process

PID 904 set thread context of 5108 904 #P0092737.scr 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

4680 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

5108 MSBuild.exe
5108 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 5108 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

5108 MSBuild.exe

description	pid	process	target process
PID 904 set thread context of 5108	904	#P0092737.scr	MSBuild.exe

pid	process
4680	schtasks.exe

pid	process
5108	MSBuild.exe
5108	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	5108	MSBuild.exe

pid	process
5108	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

#P0092737.scr

description	pid	process	target process
PID 904 wrote to memory of 4680	904	#P0092737.scr	schtasks.exe
PID 904 wrote to memory of 4680	904	#P0092737.scr	schtasks.exe
PID 904 wrote to memory of 4680	904	#P0092737.scr	schtasks.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe
PID 904 wrote to memory of 5108	904	#P0092737.scr	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\#P0092737.scr
"C:\Users\Admin\AppData\Local\Temp\#P0092737.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OiAqwCv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FAF.tmp"
2⤵
- Creates scheduled task(s)
PID:4680

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:5108

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\tmp7FAF.tmp
Filesize
1KB

MD5
6636ae0d2d63adceaaeb8c83d8fa780b

SHA1
dc82c79e58a7c95f7e189aebf82541b9271bd131

SHA256
af9703b04aa1fe1ac5bc2a62bff8ed052e393ccd751f3937bce828cc2b72112a

SHA512
1f7844809f96834c44279a0dd463bdb02beb566eda310728cb0ec14236edd4632b5348b1462e7ac174d668074d19b61f2fcea9e356239df38c11779d93e1a386

Download Submit
memory/904-130-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download
memory/4680-131-0x0000000000000000-mapping.dmp

Download
memory/5108-133-0x0000000000000000-mapping.dmp

Download
memory/5108-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5108-135-0x0000000074F00000-0x00000000754B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads