MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7da71055972a1ffebc2ce82fc46c755ba569781be79cb3d26193871ad4e9ab7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: d7da71055972a1ffebc2ce82fc46c755ba569781be79cb3d26193871ad4e9ab7
SHA3-384 hash: cd062c34bc94ee581e0aed81129533ff9b9d5973d1c2082769bcdc3ecbb370a3085ff1e1a6444dcb7d34bb1c7a410d99
SHA1 hash: 48872f1931fc5e522f19fe466845cdd76f38e0c6
MD5 hash: 1dadf10521358ac3c66ef969886fd463
humanhash: aspen-fourteen-snake-red
File name:KWIR000714988.exe
Download: download sample
Signature AgentTesla
File size:867'328 bytes
First seen:2022-11-30 21:22:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:vhMxPwRO+Fr5cE8LHWgboCIPjuYAgfgrUBn9AwSb9j1b/SEdRMA/LyVu6gt0IPP:ZYY8vLOHAyKL9/L1t0In
Threatray 20'114 similar samples on MalwareBazaar
TLSH T11F058D9133728863F58F11358586718C6EBCE543A2E6E2076FB7398156027FBFA9CE41
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
KWIR000714988.exe
Verdict:
Malicious activity
Analysis date:
2022-11-30 21:35:54 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 757210 Sample: KWIR000714988.exe Startdate: 30/11/2022 Architecture: WINDOWS Score: 100 34 strictfacilityservices.com 2->34 36 mail.strictfacilityservices.com 2->36 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 9 other signatures 2->54 8 KWIR000714988.exe 6 2->8         started        12 UKzbeKaf.exe 5 2->12         started        signatures3 process4 file5 28 C:\Users\user\AppData\Roaming\UKzbeKaf.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmpF73D.tmp, XML 8->30 dropped 32 C:\Users\user\...\KWIR000714988.exe.log, ASCII 8->32 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 May check the online IP address of the machine 8->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 14 KWIR000714988.exe 15 3 8->14         started        18 schtasks.exe 1 8->18         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 68 Injects a PE file into a foreign processes 12->68 20 UKzbeKaf.exe 14 3 12->20         started        22 schtasks.exe 1 12->22         started        signatures6 process7 dnsIp8 38 strictfacilityservices.com 111.118.212.38, 49719, 49724, 587 PUBLIC-DOMAIN-REGISTRYUS India 14->38 40 mail.strictfacilityservices.com 14->40 46 3 other IPs or domains 14->46 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 74 Tries to harvest and steal browser information (history, passwords, etc) 14->74 76 Installs a global keyboard hook 14->76 24 conhost.exe 18->24         started        42 3.220.57.224, 443, 49721 AMAZON-AESUS United States 20->42 44 api.ipify.org 20->44 78 Tries to harvest and steal ftp login credentials 20->78 26 conhost.exe 22->26         started        signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-29 04:35:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b1312d373ca58dedf8e2b079b96b26a2117e243524a21f3d8fc145a31b781e8e
MD5 hash:
9d82a11f4d89609f40e522806cb14d09
SHA1 hash:
ba8d400e97383104b32cb1c14be572467c607a9e
Detections:
AgentTesla
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
06154866731da9a628cc58b0a478e4fb208709db7b439223d3ff2d4c0a2432c9
MD5 hash:
9ac0291ac8accaed068ab7ff6c8885a0
SHA1 hash:
633074b1175caf2ace403df450b31fe54c03995e
SH256 hash:
d7da71055972a1ffebc2ce82fc46c755ba569781be79cb3d26193871ad4e9ab7
MD5 hash:
1dadf10521358ac3c66ef969886fd463
SHA1 hash:
48872f1931fc5e522f19fe466845cdd76f38e0c6
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe d7da71055972a1ffebc2ce82fc46c755ba569781be79cb3d26193871ad4e9ab7

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments