agenttesla | 6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb

General

Target

6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe
Size

51KB
MD5

cdea1ac7d7c1be95bd43ccbe4b9f0c94
SHA1

e2d0182c27dd07629e7a2d647241e548c6ceaa2f
SHA256

6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb
SHA512

b20be933d7a2595d927e803d0d4dc094770b0bf0edbf71b083bdb34e8a05fb9e24ae3951a73f3f8c732c724872625736fc0d307f922d5c90fe867a85b6c78bc2
SSDEEP

768:eLjmX0yEkLNeG5VoYrb6Vz0bjZ/o+CUhdhaj2DF5gcJEJYXfC5/PeBoume6Gbv4t:Ybyn91aEF5jVIHi3CrAbhi7KUtBHZ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rimiapparelsltd.com
Port:
587
Username:
[email protected]
Password:
Everest10@
Email To:
[email protected]

Signatures

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

Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF 1 IoCs

resource	yara_rule
behavioral1/memory/1728-4-0x0000000000AE0000-0x0000000000B34000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD

Detects executables containing artifacts associated with disabling Widnows Defender 1 IoCs

resource	yara_rule
behavioral1/memory/1728-4-0x0000000000AE0000-0x0000000000B34000-memory.dmp	INDICATOR_SUSPICIOUS_DisableWinDefender

Detects executables embedding command execution via IExecuteCommand COM object 1 IoCs

resource	yara_rule
behavioral1/memory/1728-4-0x0000000000AE0000-0x0000000000B34000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM

Detects executables potentially checking for WinJail sandbox window 2 IoCs

resource	yara_rule
behavioral1/memory/1728-4-0x0000000000AE0000-0x0000000000B34000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Anti_WinJail
behavioral1/memory/1728-4-0x0000000000AE0000-0x0000000000B34000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Anti_OldCopyPaste

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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
7	api.ipify.org
6	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2968	CasPol.exe
2968	CasPol.exe
2968	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2968	CasPol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28
PID 1728 wrote to memory of 2968	1728	6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe
"C:\Users\Admin\AppData\Local\Temp\6bdd376a0f05f39fb60037fb1add006f9794805981d5aa3295551407bbf33bcb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1728
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-0-0x0000000000F10000-0x0000000000F22000-memory.dmp

Filesize
72KB

Download
memory/1728-1-0x00000000002B0000-0x00000000002CA000-memory.dmp

Filesize
104KB

Download
memory/1728-2-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-3-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/1728-4-0x0000000000AE0000-0x0000000000B34000-memory.dmp

Filesize
336KB

Download
memory/1728-10-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2968-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2968-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2968-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2968-11-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2968-12-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download
memory/2968-13-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download
memory/2968-14-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2968-15-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download
memory/2968-16-0x0000000004D20000-0x0000000004D60000-memory.dmp

Filesize
256KB

Download

Analysis

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