agenttesla | a67119e6131f2cf27b28044e3562d04abd86b62bcebbfa8ed7f4ecea90682f2d

General

Target

f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe
Size

818KB
MD5

056dbac271b4b97fac9016695f03be29
SHA1

f2b1dd5d709a7e606002f1b2a0cda30e07d1635b
SHA256

a67119e6131f2cf27b28044e3562d04abd86b62bcebbfa8ed7f4ecea90682f2d
SHA512

6e9c26661573d89ec52e37e1c300bad30d215ffdddaddc8e1b357449c241f19e1dd19a44f14dff4d6c829efd8beeb165a03c4bcda0d853d981839ae84e727dbd
SSDEEP

24576:keSqG4yPa46F0xM64kLOBLHK4FUgmaFq:ztWiFkLOBLHK4FUgm

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.procorpadvisory.com
Port:
587
Username:
[email protected]
Password:
4n!chhbbZ~PO
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\lANdBmK = "C:\\Users\\Admin\\AppData\\Roaming\\lANdBmK\\lANdBmK.exe"	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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 604 set thread context of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30

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
1968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1788	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	664	MSBuild.exe
Token: SeDebugPrivilege	1788	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 604 wrote to memory of 1788	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	26
PID 604 wrote to memory of 1788	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	26
PID 604 wrote to memory of 1788	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	26
PID 604 wrote to memory of 1788	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	26
PID 604 wrote to memory of 1968	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	28
PID 604 wrote to memory of 1968	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	28
PID 604 wrote to memory of 1968	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	28
PID 604 wrote to memory of 1968	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	28
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30
PID 604 wrote to memory of 664	604	f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe
"C:\Users\Admin\AppData\Local\Temp\f2b1dd5d709a7e606002f1b2a0cda30e07d1635b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:604
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uUnNpOcmAQf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1788
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uUnNpOcmAQf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1778.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1968
- 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
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:664

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1778.tmp

Filesize
1KB

MD5
eb0bea6474fbc5e20b273288db88b942

SHA1
b1a2d532a44961b8420de4781d21961b7a5aa8b8

SHA256
6763f5fa61d91ea51c5d7f70d2b11ede2c761dcd0bad744431a06204428ce559

SHA512
f26e03f603145c1c63488ee1feb8d88dff4842df142fc073e37b4490cb7eadd81799a56cff6066c5d4acc523ad5e0be374b3263f49811055eada66d09c00e3ef

Download Submit
memory/604-63-0x0000000004EB0000-0x0000000004EE0000-memory.dmp

Filesize
192KB

Download
memory/604-55-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/604-56-0x0000000000490000-0x00000000004A4000-memory.dmp

Filesize
80KB

Download
memory/604-58-0x0000000005100000-0x000000000516A000-memory.dmp

Filesize
424KB

Download
memory/604-57-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/604-54-0x0000000000960000-0x0000000000A34000-memory.dmp

Filesize
848KB

Download
memory/664-70-0x000000000042A9FE-mapping.dmp

Download
memory/664-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/664-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/664-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/664-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/664-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/664-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/664-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1788-77-0x000000006F090000-0x000000006F63B000-memory.dmp

Filesize
5.7MB

Download
memory/1788-59-0x0000000000000000-mapping.dmp

Download
memory/1788-71-0x000000006F090000-0x000000006F63B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads