agenttesla | 81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f

General

Target

81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe
Size

697KB
MD5

cbbf57e492af0887af6d6388bc1b0d55
SHA1

2db73524c4c21714cef6cf38520bbee4199e8432
SHA256

81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f
SHA512

ebf9a39b9e3986edc06872ae15f86441c54d8e8f34e8488235247b5b6075b8d79c7cea0beb30af87ba582bf02cec40c5ea96bf6e8e375ecc8e6d84cd4ac3f8b2

Score

10^/10

agenttesla metastealer collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
riches22@123456

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4684-139-0x0000000000400000-0x000000000043C000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
12	api.ipify.org
13	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1620 set thread context of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82

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

pid	Process
2320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe
1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe
1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe
1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe
4684	MSBuild.exe
4684	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe
Token: SeDebugPrivilege	4684	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2320	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	80
PID 1620 wrote to memory of 2320	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	80
PID 1620 wrote to memory of 2320	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	80
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82
PID 1620 wrote to memory of 4684	1620	81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe	82

outlook_office_path 1 IoCs

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

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\81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe
"C:\Users\Admin\AppData\Local\Temp\81c4583d4c7abfa86c5328a33ac5ae3eb97232544c1dc0e8a96c95cfcf67864f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JhdnIvqQwPTVj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94ED.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2320
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4684

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp94ED.tmp

Filesize
1KB

MD5
c7fe78cab11df7411cc92df2642a1fb5

SHA1
b0411718325831dff224b38551a87f677bc19ad8

SHA256
a9820a6e1eb29850d2217c9ac1e055ad96b211799942e2def1bab1eb5fe319a7

SHA512
c351a37369254d11b5c102ae9674fc2cd9d76c2a208ff349f62292531e032446bca89f9bbcc68a68c9cf6d91af5cadd4154a150f5b7099b513e6369f2214fbf7

Download Submit
memory/1620-130-0x0000000000850000-0x0000000000904000-memory.dmp

Filesize
720KB

Download
memory/1620-131-0x0000000007F80000-0x0000000008524000-memory.dmp

Filesize
5.6MB

Download
memory/1620-132-0x0000000007B70000-0x0000000007C02000-memory.dmp

Filesize
584KB

Download
memory/1620-133-0x0000000007B10000-0x0000000007B1A000-memory.dmp

Filesize
40KB

Download
memory/1620-134-0x000000000B840000-0x000000000BD6C000-memory.dmp

Filesize
5.2MB

Download
memory/1620-135-0x000000000BEB0000-0x000000000BF4C000-memory.dmp

Filesize
624KB

Download
memory/4684-139-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4684-140-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/4684-141-0x00000000067C0000-0x0000000006810000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads