MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
SHA3-384 hash: 9503663df9ab07324f75c2e3765447ef55db297e8d5264f228567f5116c96f3bf198c3d21faec042e3ced8e58f189df9
SHA1 hash: b6a2abfaaffbb3560dc9ebae6f3bd14aa0594b44
MD5 hash: 3737a705b553c9a6245722aa948a2beb
humanhash: asparagus-bravo-avocado-don
File name:3737a705b553c9a6245722aa948a2beb.exe
Download: download sample
Signature Formbook
File size:433'561 bytes
First seen:2021-10-12 12:04:16 UTC
Last seen:2021-10-12 13:03:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:VBlL/ideqEZ6AVoZcSJGr9TB0PvQqlKxOwCOnPj+p9sHRBNmoJke6:DRvrVpovkEQnPip6HdMP
Threatray 10'517 similar samples on MalwareBazaar
TLSH T17594D505C1D4894ECC3A2DBAC28F9ED0D22B4CDA6B4B5DCE1D227DEA75B71C188127D9
File icon (PE):PE icon
dhash icon d48cb8a8e8d4c0cc (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3737a705b553c9a6245722aa948a2beb.exe
Verdict:
Malicious activity
Analysis date:
2021-10-12 21:00:35 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay 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:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 501048 Sample: pKD3j672HL.exe Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 12 other signatures 2->59 10 pKD3j672HL.exe 17 2->10         started        process3 file4 45 C:\Users\user\AppData\Local\...\wxmkcb.dll, PE32 10->45 dropped 77 Detected unpacking (changes PE section rights) 10->77 79 Tries to detect virtualization through RDTSC time measurements 10->79 81 Injects a PE file into a foreign processes 10->81 14 pKD3j672HL.exe 10->14         started        signatures5 process6 signatures7 85 Modifies the context of a thread in another process (thread injection) 14->85 87 Maps a DLL or memory area into another process 14->87 89 Sample uses process hollowing technique 14->89 91 Queues an APC in another process (thread injection) 14->91 17 explorer.exe 6 14->17 injected process8 dnsIp9 47 roleconstructora.com 192.185.131.113, 49860, 80 UNIFIEDLAYER-AS-1US United States 17->47 49 www.dxxlewis.com 207.97.200.47, 49865, 49892, 80 RACKSPACEUS United States 17->49 51 35 other IPs or domains 17->51 39 C:\Users\user\AppData\...\IconCachebtc.exe, PE32 17->39 dropped 41 C:\Program Files (x86)\...\IconCachebtc.exe, PE32 17->41 dropped 61 System process connects to network (likely due to code injection or exploit) 17->61 63 Benign windows process drops PE files 17->63 65 Performs DNS queries to domains with low reputation 17->65 22 rundll32.exe 1 12 17->22         started        25 IconCachebtc.exe 16 17->25         started        file10 signatures11 process12 file13 67 Creates an undocumented autostart registry key 22->67 69 Tries to steal Mail credentials (via file access) 22->69 71 Self deletion via cmd delete 22->71 75 4 other signatures 22->75 28 cmd.exe 2 22->28         started        31 cmd.exe 1 22->31         started        43 C:\Users\user\AppData\Local\...\wxmkcb.dll, PE32 25->43 dropped 73 Injects a PE file into a foreign processes 25->73 33 IconCachebtc.exe 25->33         started        signatures14 process15 signatures16 83 Tries to harvest and steal browser information (history, passwords, etc) 28->83 35 conhost.exe 28->35         started        37 conhost.exe 31->37         started        process17
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2021-10-12 12:05:14 UTC
AV detection:
10 of 37 (27.03%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b2c0 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.thesewhitevvalls.com/b2c0/
Unpacked files
SH256 hash:
82ba6d3067cb05d9f009b370ce4bbc984f232ee3eff0df56ab89deeeb09d7003
MD5 hash:
2087789d2e9274a309cbc3d2548d9e45
SHA1 hash:
6ac8a85a52bd982015a07b50e9a89c5c0a7e4f66
SH256 hash:
d4c21ca2b5cdaff37a3ea21f2750eb5a81add47d40c3f7f6e1391be445ef6c91
MD5 hash:
b3cad943335ace9f5fa88d1eaac00dd2
SHA1 hash:
4a9a0f017f68dfd82ea535ea542b60b640b0c955
SH256 hash:
612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
MD5 hash:
3737a705b553c9a6245722aa948a2beb
SHA1 hash:
b6a2abfaaffbb3560dc9ebae6f3bd14aa0594b44
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 612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096

(this sample)

  
Delivery method
Distributed via web download

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