agenttesla | 8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670

General

Target

8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
Size

756KB
MD5

3b35eb02919cc28d6faea03c96519504
SHA1

66588cd5d127e83379de633e178b288fe3fad794
SHA256

8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670
SHA512

91a2b15b24c30f09c1860ffb31073e4027bb2f970ae7a4a3674a3e99a49194928d6774fc5d963661dbb33a012e95dd51a88a9be64d6b6f07380339388015b6a0
SSDEEP

12288:hCK/pbMrRwwAFua+bT/gUDSXN057FQdMvMOKI4uko5QLaBKJAWnGtMm8WxTlEA3J:hCiMrgeX5S+5xeMp4xoQaWAWGtMm8WxP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.torosdental.com
Port:
587
Username:
[email protected]
Password:
mehmet19201923000

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.torosdental.com
Port:
587
Username:
[email protected]
Password:
mehmet19201923000
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs

resource	yara_rule
behavioral1/memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

resource	yara_rule
behavioral1/memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 6 IoCs

resource	yara_rule
behavioral1/memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

resource	yara_rule
behavioral1/memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 3 IoCs

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

flow	ioc
6	ip-api.com
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job

T1053

pid	Process
2728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
2756	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
2756	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
2516	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
Token: SeDebugPrivilege	2756	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
Token: SeDebugPrivilege	2516	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2516	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	28
PID 2964 wrote to memory of 2516	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	28
PID 2964 wrote to memory of 2516	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	28
PID 2964 wrote to memory of 2516	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	28
PID 2964 wrote to memory of 2728	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	30
PID 2964 wrote to memory of 2728	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	30
PID 2964 wrote to memory of 2728	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	30
PID 2964 wrote to memory of 2728	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	30
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32
PID 2964 wrote to memory of 2756	2964	8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe	32

C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
"C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xOqrCwLHNYO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2516
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xOqrCwLHNYO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D8D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe
  "C:\Users\Admin\AppData\Local\Temp\8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3D8D.tmp

Filesize
1KB

MD5
60ad47c08ae3e5a1aa4cce8fbf79132b

SHA1
413e53cf50d4dee145b777559a522ac8e41a7593

SHA256
5d7f0a1b869cecd284301ac9964c7380bae5cc3b9435757009999a9463e55d11

SHA512
edabfe99b64f77c539c494249725834d614773e037f22ff00e5fea5196f12a9f7324460e0a44e0a5f80d0cc8e105f6fa3b761acc2dbbaaa93c4c7d251c10e67f

Download Submit
memory/2516-37-0x000000006EA30000-0x000000006EFDB000-memory.dmp

Filesize
5.7MB

Download
memory/2516-36-0x0000000000350000-0x0000000000390000-memory.dmp

Filesize
256KB

Download
memory/2516-33-0x0000000000350000-0x0000000000390000-memory.dmp

Filesize
256KB

Download
memory/2516-32-0x0000000000350000-0x0000000000390000-memory.dmp

Filesize
256KB

Download
memory/2516-31-0x000000006EA30000-0x000000006EFDB000-memory.dmp

Filesize
5.7MB

Download
memory/2516-30-0x000000006EA30000-0x000000006EFDB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-34-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2756-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2756-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2756-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2756-24-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2756-38-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-27-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2756-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2756-35-0x0000000000290000-0x00000000002D0000-memory.dmp

Filesize
256KB

Download
memory/2964-0-0x0000000000990000-0x0000000000A50000-memory.dmp

Filesize
768KB

Download
memory/2964-4-0x0000000000550000-0x000000000055E000-memory.dmp

Filesize
56KB

Download
memory/2964-3-0x00000000004F0000-0x0000000000508000-memory.dmp

Filesize
96KB

Download
memory/2964-5-0x0000000000560000-0x0000000000574000-memory.dmp

Filesize
80KB

Download
memory/2964-6-0x00000000008E0000-0x0000000000966000-memory.dmp

Filesize
536KB

Download
memory/2964-2-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/2964-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2964-26-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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