MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b19c5b2854cf7d4ed344ff7539b38caec397d6a3002a7219b2fbe0b7c73f455. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 5b19c5b2854cf7d4ed344ff7539b38caec397d6a3002a7219b2fbe0b7c73f455
SHA3-384 hash: 6f89280c8d757cf8b62935a22f06f5bf6c3d04d84daa2e881d2096be9ad0319e7b27510fd192aef55a667f610308ca89
SHA1 hash: 9b3c08581d0232a4e2478b67fe4e9f13bbe7c0a8
MD5 hash: 61fa39bb3f4324461c50feae7506720d
humanhash: three-hawaii-lamp-pip
File name:61fa39bb3f4324461c50feae7506720d.exe
Download: download sample
Signature Formbook
File size:583'680 bytes
First seen:2021-04-19 17:20:30 UTC
Last seen:2021-04-19 18:26:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1DaempDS09QDOTK1OR6HGZkFsO/F/g9yJTBY2zK1XPlX2zRRRRR:X8tQDOd6Hua/lTBYUSIRRRRR
Threatray 4'667 similar samples on MalwareBazaar
TLSH B2C41212239C9766D5BE27799122D43127F2FD68E322EAAD7FC05D6B3453F018984B83
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Agreement WorkSpace Changes .xlsx
Verdict:
Malicious activity
Analysis date:
2021-04-19 13:50:11 UTC
Tags:
encrypted exploit CVE-2017-11882 trojan formbook stealer

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

Behaviour
Creating a window
Sending a UDP request
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 392682 Sample: lFfDzzZYTl.exe Startdate: 19/04/2021 Architecture: WINDOWS Score: 100 33 www.3cheer.com 2->33 35 www.defenestration.world 2->35 37 3cheer.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 11 lFfDzzZYTl.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\lFfDzzZYTl.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 lFfDzzZYTl.exe 11->15         started        18 lFfDzzZYTl.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 39 cmannouncements.com 69.195.83.71, 49762, 80 UNIFIEDLAYER-AS-1US United States 20->39 41 www.trendbold.com 64.190.62.111, 49763, 80 NBS11696US United States 20->41 43 16 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 cmmon32.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Gathering data
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe 5b19c5b2854cf7d4ed344ff7539b38caec397d6a3002a7219b2fbe0b7c73f455

(this sample)

  
Delivery method
Distributed via web download

Comments