MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee3775bbabe2fa2c0e514e2e8f35c160af535f3437d73d341f8b6bd7fd32e5e4. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: ee3775bbabe2fa2c0e514e2e8f35c160af535f3437d73d341f8b6bd7fd32e5e4
SHA3-384 hash: 9fa6bf0463b5a4fd28cdba977bf56352a4480ef69153c58a7eddddb95466cc1d31ec2fd70d0e1f9631984fbac8665d7d
SHA1 hash: 8920d7d5fb704102af17505742f2bf7226659a07
MD5 hash: 835b5f993671d5efdc1dd542152618cb
humanhash: mexico-ceiling-low-undress
File name:835B5F993671D5EFDC1DD542152618CB
Download: download sample
Signature Formbook
File size:2'200'064 bytes
First seen:2021-05-11 02:21:35 UTC
Last seen:2021-05-11 03:01:26 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:SQC7g0e8tyUJDr/XP0TWMQb/mTk+LWrtH1dKB/uEp8Bgi2m2F6/bEFzq2+jyYvLq:P
Threatray 4'954 similar samples on MalwareBazaar
TLSH BFA59C249F9FD61D757B4DA42DEAC32E16922E71BEB988C0691800431E377C45B89FB3
Reporter Anonymous
Tags:FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
835B5F993671D5EFDC1DD542152618CB
Verdict:
Suspicious activity
Analysis date:
2021-05-11 02:17:55 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
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Sending a UDP request
Creating a file
Result
Verdict:
UNKNOWN
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
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 410465 Sample: jx6z88WwRH Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 39 www.rhonevin.com 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 5 other signatures 2->53 11 jx6z88WwRH.exe 3 2->11         started        signatures3 process4 signatures5 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Hides threads from debuggers 11->59 14 jx6z88WwRH.exe 11->14         started        17 WerFault.exe 23 9 11->17         started        20 cmd.exe 1 11->20         started        process6 file7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 22 explorer.exe 14->22 injected 37 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->37 dropped 26 conhost.exe 20->26         started        28 timeout.exe 1 20->28         started        signatures8 process9 dnsIp10 41 www.xinfayg.com 23.107.28.194, 49767, 80 LEASEWEB-USA-LAX-11US United States 22->41 43 www.pcprivatehire.com 154.204.10.15, 49755, 80 ANCHGLOBAL-AS-APAnchnetAsiaLimitedHK Seychelles 22->43 45 www.a1services.one 22->45 55 System process connects to network (likely due to code injection or exploit) 22->55 30 mstsc.exe 22->30         started        signatures11 process12 signatures13 69 Modifies the context of a thread in another process (thread injection) 30->69 71 Maps a DLL or memory area into another process 30->71 73 Tries to detect virtualization through RDTSC time measurements 30->73 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2021-05-11 02:22:15 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.chbsx.com/hnj/
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
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.

Comments