agenttesla | 4f2a16d1aa218f8e423b803df72a63c2c6748d2701fe664c5eee59e096af3921

General

Target
Remittance copy.exe
Size 839KB
Sample230123-k435kacf48
SHA256 4f2a16d1aa218f8e423b803df72a63c2c6748d2701fe664c5eee59e096af3921
MD5 38e37812745f0607fede994b7494b5f5
SHA1 90344a026b0f3ca3e3f072efc60c2e2f1b5104df
SHA512 ae4b3190e03cbd7ec22c51a6e576e54cf33fc396ec4d82ddee10b2532e35d1516c220e335054409570db3700fbd2080d67e6f03c5a25e1b9fc7a663a05c31a0d
SSDEEP 12288:UjDavyAVvzdIZc10ZSneQVhtA/J7gavdiyZHjM0WL:qavyqeZcnvtA/R3tZHjm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.dmstech.in
Port
587
Username
[email protected]
Password
0]6F9Az.pqfd
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	Remittance copy.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zBwkauB = "C:\\Users\\Admin\\AppData\\Roaming\\zBwkauB\\zBwkauB.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1264 set thread context of 2960	1264	Remittance copy.exe	90

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
1520	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1264	Remittance copy.exe
2960	RegSvcs.exe
2960	RegSvcs.exe
2960	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1264	Remittance copy.exe
Token: SeDebugPrivilege	2960	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 1520	1264	Remittance copy.exe	88
PID 1264 wrote to memory of 1520	1264	Remittance copy.exe	88
PID 1264 wrote to memory of 1520	1264	Remittance copy.exe	88
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90
PID 1264 wrote to memory of 2960	1264	Remittance copy.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Remittance copy.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance copy.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SgcUEyhoZX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A53.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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

tmp6A53.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp6A53.tmp
Size 1KB
SHA256 8645453a17505193756ec2e9aee438e232d47e287dfe444ca5a1c4b412176135
MD5 1c4bd13b2462f2b229109f75acbe352d
SHA1 5483bd9017bc9fc3673db9a40f28de52d9d1b765
SHA512 c4fa88b1122f241d9d912ffe08d7569eb1febf60a6d42eff133eec548ab086296da5530f4283e1ac25f21b0b06b082894e2f981a5a1017f4042b544804fdc069
MD5 SHA1 SHA512

Submit Download

memory/1264-132-0x00000000003D0000-0x00000000004A6000-memory.dmp

Download

memory/1264-133-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

Download

memory/1264-134-0x0000000005510000-0x0000000005AB4000-memory.dmp

Download

memory/1264-135-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Download

memory/1264-136-0x0000000004E50000-0x0000000004E5A000-memory.dmp

Download

memory/1264-137-0x0000000005170000-0x00000000051C6000-memory.dmp

Download

memory/2960-141-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2960-142-0x00000000054E0000-0x0000000005546000-memory.dmp

Download

memory/2960-143-0x0000000006100000-0x0000000006150000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads