agenttesla | a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 01:27

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General

Target

a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
Size

691KB
MD5

b7db10ec32fe6f53ee4a76e261761c27
SHA1

283eb987f7ed2bfb1b4fbe413dd58b5ca8f31afd
SHA256

a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de
SHA512

dac0ad887cfb6f0379b1238d23aa42f4462ce093459b4be60478365c8de48ebf2963ca82f9b3cd83c0b7fc5fd1d8ff370a9f9b77017108ea49bf28c046193094
SSDEEP

12288:VSKx504bFYOl2Ez2uwJhCuiZlYvXiCf6sUO7FgoPOXyi:QKw4bfMEzeJhElYfVCgel

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.santonswitchgears.com
Port:
587
Username:
[email protected]
Password:
cJPF@$I3
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. 5 IoCs

resource	yara_rule
behavioral1/memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

resource	yara_rule
behavioral1/memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs

resource	yara_rule
behavioral1/memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

resource	yara_rule
behavioral1/memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-28-0x0000000000400000-0x0000000000442000-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 5 IoCs

resource	yara_rule
behavioral1/memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2644	powershell.exe
2536	powershell.exe

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34

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
2544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
2416	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
2416	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
2536	powershell.exe
2644	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
Token: SeDebugPrivilege	2416	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
Token: SeDebugPrivilege	2536	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2644	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	28
PID 2972 wrote to memory of 2644	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	28
PID 2972 wrote to memory of 2644	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	28
PID 2972 wrote to memory of 2644	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	28
PID 2972 wrote to memory of 2536	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	30
PID 2972 wrote to memory of 2536	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	30
PID 2972 wrote to memory of 2536	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	30
PID 2972 wrote to memory of 2536	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	30
PID 2972 wrote to memory of 2544	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	31
PID 2972 wrote to memory of 2544	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	31
PID 2972 wrote to memory of 2544	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	31
PID 2972 wrote to memory of 2544	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	31
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34
PID 2972 wrote to memory of 2416	2972	a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe	34

C:\Users\Admin\AppData\Local\Temp\a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
"C:\Users\Admin\AppData\Local\Temp\a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2644
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XNYbGrcoFr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2536
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XNYbGrcoFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39D5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2544
- C:\Users\Admin\AppData\Local\Temp\a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe
  "C:\Users\Admin\AppData\Local\Temp\a0970a01c8310f5643451d71a863709b17e59814b12e81908f37cb649e3d70de.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp39D5.tmp

Filesize
1KB

MD5
2a2c6a590f7140949af774d4f590d585

SHA1
5231bffe1a4548edff8c6bb30c092c26be790401

SHA256
952621e0f6906028365ca6cb549c15aa315a636b8dd8ba5348262a2c3f360b7e

SHA512
69d9e5e6ea9b672f946cc3213ae29de871f63602dc73affabbbe3ca54e6dc49859e7e94ff8f03e5cad534f682370a906ab9ad971b6fbbc86c8190e00e1c181da

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\OHIL3HGFL8CR1SF0NJNT.temp

Filesize
7KB

MD5
2b49ecda6ca3c21e12168e67a604df42

SHA1
7cab16d23b52cc454abe684e271d976a1b44d5ff

SHA256
9993709d7d82baba33cf20ba96bdfef9e9fc018eaccd1a902715a67a2fd26a5d

SHA512
8f06f9e4f76166bba04dad14781d7ba8fc54647b6ceb3fe9032d3266a47aa8fe154b6db5c646679888022f16b915287cad7b73120bfb940138e796f26133d32e

Download Submit
memory/2416-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2416-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2972-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2972-1-0x0000000000090000-0x0000000000144000-memory.dmp

Filesize
720KB

Download
memory/2972-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/2972-3-0x0000000000540000-0x000000000055A000-memory.dmp

Filesize
104KB

Download
memory/2972-5-0x0000000005CF0000-0x0000000005D74000-memory.dmp

Filesize
528KB

Download
memory/2972-4-0x00000000004F0000-0x0000000000500000-memory.dmp

Filesize
64KB

Download
memory/2972-31-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download