agenttesla | 0ffef02908f711dc3b01b83a439e2aeaafa58b021a4c930ed47772e6d958931e

Analysis

max time kernel
121s
max time network
146s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
19/06/2024, 01:05

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General

Target

0ffef02908f711dc3b01b83a439e2aeaafa58b021a4c930ed47772e6d958931e.js
Size

576KB
MD5

da2a00db4ad85a7c84c8e3bdd158ed5b
SHA1

fac36df9615e08267ca51c5c32db76b5d5a3b047
SHA256

0ffef02908f711dc3b01b83a439e2aeaafa58b021a4c930ed47772e6d958931e
SHA512

e09e36d25ccbc7b443c215adcd013c40da9d78c82ae479326c4f92b8fabc26b8fa3f6c937fdd2b717f37330999d03928c02cd98ba0c0987245e9118770976e66
SSDEEP

12288:p68zPt15vj0FBKG5UmvOvhdvHVJwvPRjgTC7oS8Qo/A5Ih:p68zPRIFBOdvHvwXyTC7o5bh

Score

10^/10

agenttesla stormkitty xworm execution keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

Version

5.0

107.175.101.198:7000

Mutex

dvNrQCwanoQ9ouuD

Attributes

install_file
USB.exe

aes.plain

Extracted

Family

agenttesla

https://api.telegram.org/bot6410198048:AAGgeWnhGxZeYMKJkRauoOJwGKdxJztyd4k/

Signatures

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

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2220-33-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2220-36-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2220-35-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2220-30-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2220-28-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral1/memory/2220-39-0x0000000006BB0000-0x0000000006CD0000-memory.dmp	family_stormkitty

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral1/memory/2220-38-0x0000000000610000-0x0000000000652000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects Windows executables referencing non-Windows User-Agents 5 IoCs

resource	yara_rule
behavioral1/memory/2220-33-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2220-36-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2220-35-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2220-30-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2220-28-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

resource	yara_rule
behavioral1/memory/2220-38-0x0000000000610000-0x0000000000652000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2220-63-0x0000000004810000-0x000000000481E000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral1/memory/2264-11-0x0000000000760000-0x000000000076C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs

resource	yara_rule
behavioral1/memory/2220-38-0x0000000000610000-0x0000000000652000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2220-39-0x0000000006BB0000-0x0000000006CD0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing credit card regular expressions 1 IoCs

resource	yara_rule
behavioral1/memory/2220-39-0x0000000006BB0000-0x0000000006CD0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_CC_Regex

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral1/memory/2220-38-0x0000000000610000-0x0000000000652000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral1/memory/2220-38-0x0000000000610000-0x0000000000652000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral1/memory/2220-38-0x0000000000610000-0x0000000000652000-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
2532	powershell.exe
2200	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
2264	order_document_sheet#PO35642.exe
2220	order_document_sheet#PO35642.exe

Loads dropped DLL 1 IoCs

pid	Process
2264	order_document_sheet#PO35642.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 2 IoCs

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

flow	ioc
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 2220	2264	order_document_sheet#PO35642.exe	35

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2264	order_document_sheet#PO35642.exe
2264	order_document_sheet#PO35642.exe
2264	order_document_sheet#PO35642.exe
2264	order_document_sheet#PO35642.exe
2264	order_document_sheet#PO35642.exe
2264	order_document_sheet#PO35642.exe
2264	order_document_sheet#PO35642.exe
2200	powershell.exe
2532	powershell.exe
2220	order_document_sheet#PO35642.exe
2220	order_document_sheet#PO35642.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	order_document_sheet#PO35642.exe
Token: SeDebugPrivilege	2200	powershell.exe
Token: SeDebugPrivilege	2532	powershell.exe
Token: SeDebugPrivilege	2220	order_document_sheet#PO35642.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2264	2424	wscript.exe	28
PID 2424 wrote to memory of 2264	2424	wscript.exe	28
PID 2424 wrote to memory of 2264	2424	wscript.exe	28
PID 2424 wrote to memory of 2264	2424	wscript.exe	28
PID 2264 wrote to memory of 2532	2264	order_document_sheet#PO35642.exe	29
PID 2264 wrote to memory of 2532	2264	order_document_sheet#PO35642.exe	29
PID 2264 wrote to memory of 2532	2264	order_document_sheet#PO35642.exe	29
PID 2264 wrote to memory of 2532	2264	order_document_sheet#PO35642.exe	29
PID 2264 wrote to memory of 2200	2264	order_document_sheet#PO35642.exe	31
PID 2264 wrote to memory of 2200	2264	order_document_sheet#PO35642.exe	31
PID 2264 wrote to memory of 2200	2264	order_document_sheet#PO35642.exe	31
PID 2264 wrote to memory of 2200	2264	order_document_sheet#PO35642.exe	31
PID 2264 wrote to memory of 2604	2264	order_document_sheet#PO35642.exe	33
PID 2264 wrote to memory of 2604	2264	order_document_sheet#PO35642.exe	33
PID 2264 wrote to memory of 2604	2264	order_document_sheet#PO35642.exe	33
PID 2264 wrote to memory of 2604	2264	order_document_sheet#PO35642.exe	33
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35
PID 2264 wrote to memory of 2220	2264	order_document_sheet#PO35642.exe	35

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\0ffef02908f711dc3b01b83a439e2aeaafa58b021a4c930ed47772e6d958931e.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\order_document_sheet#PO35642.exe
  "C:\Users\Admin\AppData\Local\Temp\order_document_sheet#PO35642.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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\order_document_sheet#PO35642.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2532
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hmpDqhdDQk.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2200
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hmpDqhdDQk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F66.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2604
- - C:\Users\Admin\AppData\Local\Temp\order_document_sheet#PO35642.exe
    "C:\Users\Admin\AppData\Local\Temp\order_document_sheet#PO35642.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\order_document_sheet#PO35642.exe

Filesize
432KB

MD5
22269c9e26e7aa5d4168bb2b7acad1b3

SHA1
9c18f20bceeeb671f745458b4bf4f8d217a84173

SHA256
0ca04624018e1b0234ad520ab681fc7357f5dc1b537f860fc9a4849b4c207b11

SHA512
a3c0a97eed520fb5bd6578b48bf8992fd62ae913eb5b3940423800a2f913614b5c7eb39d0fd038f4edd98aa5512a16dabcc5f8c601ac93260af8d91dd9350e17

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6F66.tmp

Filesize
1KB

MD5
dc5ba4c7351e42926173256d9b2e743d

SHA1
ee9d4673ccf578a8cf624c11051e46399c6a2bfd

SHA256
f9f0f6755766be41cfd8d2e89e1e9b0767cb5412ca7bbad6fc9bffd40a9b7162

SHA512
fb9c767aa3c69c4b08369f0237634f420bb7e595c0ab0edf41f2833b90160721569d0d175548acea2f96efd8e7ff63f5f5fce4f353307767438a1019a1bff071

Download Submit
memory/2220-30-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2220-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2220-64-0x0000000008A90000-0x0000000008DE0000-memory.dmp

Filesize
3.3MB

Download
memory/2220-63-0x0000000004810000-0x000000000481E000-memory.dmp

Filesize
56KB

Download
memory/2220-39-0x0000000006BB0000-0x0000000006CD0000-memory.dmp

Filesize
1.1MB

Download
memory/2220-38-0x0000000000610000-0x0000000000652000-memory.dmp

Filesize
264KB

Download
memory/2220-28-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2220-24-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2220-26-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2220-33-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2220-36-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2220-35-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2264-12-0x0000000004310000-0x0000000004360000-memory.dmp

Filesize
320KB

Download
memory/2264-6-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2264-7-0x0000000000AF0000-0x0000000000B62000-memory.dmp

Filesize
456KB

Download
memory/2264-37-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-8-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-11-0x0000000000760000-0x000000000076C000-memory.dmp

Filesize
48KB

Download
memory/2264-10-0x0000000000750000-0x0000000000758000-memory.dmp

Filesize
32KB

Download
memory/2264-9-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download