agenttesla | 2c735406da96a49a4d79b1cfca607013dff88e49c5d1526e5a04f4a32111d785

Analysis

max time kernel
114s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
15/11/2022, 07:42

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General

Target
RFQ11142.EXE.exe
Size 580KB
Sample221115-jjnnpsfe47
SHA256 2c735406da96a49a4d79b1cfca607013dff88e49c5d1526e5a04f4a32111d785
MD5 7631835ba1409637abb4825e08a390d8
SHA1 63879a051725be8f80be327a7a3f9fe7225305fc
SHA512 2b2956562c48dabb8b02894dc146265dc7079952b16bbb777f4112c84c3c8345418294dbacb16f55b10a6e2e78d6b3afc0f3e21896114c944ebe964df7a79ffa
SSDEEP 12288:2vmAcSKK0k8AGAXFqe61rNS1aAdzRFUcfAV:OtvKK8DAXFirs1aAJRdfAV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.electrobist.com
Port
21
Username
[email protected]
Password
cAP&5)Y*cPUE

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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	CasPol.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
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 3624	2300	RFQ11142.EXE.exe	86

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3624	CasPol.exe
3624	CasPol.exe
3624	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3624	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3624	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86
PID 2300 wrote to memory of 3624	2300	RFQ11142.EXE.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\RFQ11142.EXE.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ11142.EXE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2300-132-0x0000027A362D0000-0x0000027A36366000-memory.dmp

Download

memory/2300-133-0x00007FFBFEF90000-0x00007FFBFFA51000-memory.dmp

Download

memory/2300-136-0x00007FFBFEF90000-0x00007FFBFFA51000-memory.dmp

Download

memory/3624-134-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/3624-137-0x00000000057D0000-0x0000000005D74000-memory.dmp

Download

memory/3624-138-0x0000000005220000-0x00000000052BC000-memory.dmp

Download

memory/3624-139-0x0000000005FC0000-0x0000000006026000-memory.dmp

Download

memory/3624-140-0x0000000006850000-0x00000000068A0000-memory.dmp

Download

memory/3624-141-0x00000000069E0000-0x0000000006A72000-memory.dmp

Download

memory/3624-142-0x0000000006CE0000-0x0000000006CEA000-memory.dmp

Download