MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d0947f988743a495c85b5041d7fe4b8753b7539a4d87e068eeeaddabbf16d1f. 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



Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 3d0947f988743a495c85b5041d7fe4b8753b7539a4d87e068eeeaddabbf16d1f
SHA3-384 hash: e9a7ed85258ed4e440a97b9c734cb7de306acb45579297fca9ece15dc868a17c3b68b5a0f228a14972ca6d12bfe21e6d
SHA1 hash: 2d2f85b7af551e1364b8b6f1a8fa6db1c1a88d5e
MD5 hash: b7966509ffcab300d06f0aeb1d1d8533
humanhash: angel-green-apart-dakota
File name:func.exe
Download: download sample
Signature Formbook
File size:587'776 bytes
First seen:2021-05-01 11:56:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:aX5nIcmwyhkiWjP3fjSjusvUfv3/sQz2c+2nsQLHcCNS1PzNdYY:+IcmLh8jPLnsMfv30vc+Mqv1PBdp
Threatray 4'904 similar samples on MalwareBazaar
TLSH 10C4012033999794D97E4BBA183A51C067F5F616EB22D62D7CD901CD4F62F078F22E22
Reporter ankit_anubhav
Tags:FormBook


Avatar
ankit_anubhav
onedrive.live

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 402041 Sample: func.exe Startdate: 01/05/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 9 other signatures 2->54 10 func.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\...\vxBXnLmmQTyi.exe, PE32 10->34 dropped 36 C:\Users\...\vxBXnLmmQTyi.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp4A60.tmp, XML 10->38 dropped 40 C:\Users\user\AppData\Local\...\func.exe.log, ASCII 10->40 dropped 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 10->62 64 Tries to detect virtualization through RDTSC time measurements 10->64 66 Injects a PE file into a foreign processes 10->66 14 func.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 func.exe 10->19         started        signatures5 process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        process8 dnsIp9 42 www.axislnsmail.com 98.124.199.20, 49737, 80 ENOMAS1US United States 21->42 44 www.shopalam.com 157.230.92.163, 80 DIGITALOCEAN-ASNUS United States 21->44 46 3 other IPs or domains 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 58 Uses ipconfig to lookup or modify the Windows network settings 21->58 27 ipconfig.exe 21->27         started        signatures10 process11 signatures12 68 Modifies the context of a thread in another process (thread injection) 27->68 70 Maps a DLL or memory area into another process 27->70 72 Tries to detect virtualization through RDTSC time measurements 27->72 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2021-04-30 11:01:54 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.swim-maki.com/csi/
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
3d0947f988743a495c85b5041d7fe4b8753b7539a4d87e068eeeaddabbf16d1f
MD5 hash:
b7966509ffcab300d06f0aeb1d1d8533
SHA1 hash:
2d2f85b7af551e1364b8b6f1a8fa6db1c1a88d5e
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

  
Delivery method
Distributed via e-mail link

Comments