MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d12b2f1126a58452394c90b721b1f1b215cc7c2530e3eef8c60623f81f09470b. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: d12b2f1126a58452394c90b721b1f1b215cc7c2530e3eef8c60623f81f09470b
SHA3-384 hash: 0d75d1161e9a8812dbf05dc4d76e0b5c056340de0ce2f7f2fcb6d952d8c48ed1f76444b08b6741df438ebc47f81978e8
SHA1 hash: f7c66df63c767375549ccba3fb603e5c8ea030e2
MD5 hash: fd5949340a3ffde3386db1a6338d707c
humanhash: monkey-maine-finch-failed
File name:DHL_document11022020680908911.docu.pif
Download: download sample
Signature AgentTesla
File size:3'957'520 bytes
First seen:2021-05-07 11:26:56 UTC
Last seen:2021-05-11 14:05:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:7oJOpDIM1dDRjqzJAD9xmtcPhP/oJHTZn5sh7LWzT/gl6fc6zAC11Of2A5k10JGY:dB
Threatray 113 similar samples on MalwareBazaar
TLSH 63060D2079C7569BB60E3E8B18F1DC71CD0F32D9993461BE39086306D7422ABA6F57B4
Reporter GovCERT_CH
Tags:AgentTesla signed

Code Signing Certificate

Organisation:00zy55f34x96eAca41
Issuer:00zy55f34x96eAca41
Algorithm:sha256WithRSAEncryption
Valid from:2021-05-07T01:15:50Z
Valid to:2022-05-07T01:15:50Z
Serial number: 2dfe6c1a22eb580d3dead755b8c5f314
Thumbprint Algorithm:SHA256
Thumbprint: aff86cb30440d87dc3943fc8cca7501f3be69d43e8eab5492e321da737a8f311
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
4
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_document11022020680908911.docu.pif
Verdict:
Malicious activity
Analysis date:
2021-05-07 06:52:53 UTC
Tags:
n/a

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

Behaviour
Using the Windows Management Instrumentation requests
Creating a window
Sending a UDP request
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Creates an autostart registry key pointing to binary in C:\Windows
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 408823 Sample: DHL_document110220206809089... Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for submitted file 2->62 64 Machine Learning detection for sample 2->64 66 Initial sample is a PE file and has a suspicious name 2->66 68 3 other signatures 2->68 7 DHL_document11022020680908911.docu.exe 3 6 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 2->13         started        15 5 other processes 2->15 process3 file4 54 C:\Windows\Resources\Themes\...\svchost.exe, PE32 7->54 dropped 56 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 7->56 dropped 70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->70 72 Creates an autostart registry key pointing to binary in C:\Windows 7->72 74 Writes to foreign memory regions 7->74 84 3 other signatures 7->84 17 CasPol.exe 7->17         started        20 cmd.exe 7->20         started        22 powershell.exe 24 7->22         started        34 3 other processes 7->34 76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 80 Adds a directory exclusion to Windows Defender 11->80 24 cmd.exe 11->24         started        26 powershell.exe 11->26         started        28 powershell.exe 11->28         started        30 powershell.exe 11->30         started        82 Hides threads from debuggers 13->82 32 WerFault.exe 15->32         started        signatures5 process6 signatures7 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->60 36 conhost.exe 20->36         started        38 timeout.exe 20->38         started        40 conhost.exe 22->40         started        52 2 other processes 24->52 42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 30->46         started        48 conhost.exe 34->48         started        50 conhost.exe 34->50         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-07 03:02:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Windows security modification
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Windows security bypass
Unpacked files
SH256 hash:
98f44d5dbe576208ea814b3288de45ebd4cb66d586cbf20fb3ad39f147c3eb4a
MD5 hash:
a372673b7cc6266469642bc7c0371f98
SHA1 hash:
c66d18016fb4d11b1ab885d49ae15b4e6fedfe8c
SH256 hash:
52be3b03e5e9f932152c0dd2a4ebbffdadb68c36f5bf48c3894e77bbc2f922da
MD5 hash:
f962482ff91175555da54e8ff5860de1
SHA1 hash:
55e6bd7cd3e359ca3cf92fd7cc006617cb0a9f88
SH256 hash:
d12b2f1126a58452394c90b721b1f1b215cc7c2530e3eef8c60623f81f09470b
MD5 hash:
fd5949340a3ffde3386db1a6338d707c
SHA1 hash:
f7c66df63c767375549ccba3fb603e5c8ea030e2
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe d12b2f1126a58452394c90b721b1f1b215cc7c2530e3eef8c60623f81f09470b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments