MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 433494d21eabe777d1947da83d6281e5ac35bf98eea4791fcebf5e1561723384. 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 File information Comments 1

SHA256 hash: 433494d21eabe777d1947da83d6281e5ac35bf98eea4791fcebf5e1561723384
SHA3-384 hash: 181ababd25b5f547f7a8a4d25c69fa0a66af26dfa6ddc06fd2368a69a794b6b586cb7f0bc4e317cdb15c907316eaa708
SHA1 hash: 847997208218185f757555f8c2fc15fc4b180f36
MD5 hash: f7058072591bbc7032cc0daedbccbf85
humanhash: berlin-papa-montana-north
File name:f7058072591bbc7032cc0daedbccbf85
Download: download sample
Signature Formbook
File size:463'298 bytes
First seen:2021-11-11 11:23:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a64c6e908e2c83802822128ba8ce8ade (2 x Formbook)
ssdeep 6144:vBMYXoufOfAZ/8tbayAZIxS6YnJRrQTW5Px9xxVjIkgk9cEPIbdZGeWeXI:vBMYGfAy/YnJgabRb9LgbWehI
Threatray 11'097 similar samples on MalwareBazaar
TLSH T172A49D13A7A45426E9F3ECF20D7669B578E4BDA118708B5FA10478ED1C31B83B4E931B
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
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:
rans.troj.spyw.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 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)
Performs DNS queries to domains with low reputation
Potential malicious icon found
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected Generic Dropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 519880 Sample: HB8aERmVAq Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Potential malicious icon found 2->33 35 Found malware configuration 2->35 37 5 other signatures 2->37 9 HB8aERmVAq.exe 2->9         started        process3 signatures4 39 Tries to detect virtualization through RDTSC time measurements 9->39 41 Injects a PE file into a foreign processes 9->41 12 HB8aERmVAq.exe 9->12         started        process5 signatures6 43 Modifies the context of a thread in another process (thread injection) 12->43 45 Maps a DLL or memory area into another process 12->45 47 Sample uses process hollowing technique 12->47 49 Queues an APC in another process (thread injection) 12->49 15 cmd.exe 12->15         started        18 explorer.exe 12->18 injected process7 dnsIp8 51 Self deletion via cmd delete 15->51 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Tries to detect virtualization through RDTSC time measurements 15->57 21 cmd.exe 1 15->21         started        25 obatkuatsemarang.xyz 103.253.212.248, 49787, 80 RUMAHWEB-AS-IDRumahwebIndonesiaCVID Indonesia 18->25 27 banahinvestments.com 38.143.25.232, 49816, 80 GIGSGIGSCLOUD-AS-APGigsGigsNetworkServicesHK United States 18->27 29 11 other IPs or domains 18->29 59 System process connects to network (likely due to code injection or exploit) 18->59 61 Performs DNS queries to domains with low reputation 18->61 signatures9 process10 process11 23 conhost.exe 21->23         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-11-11 11:24:09 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:fpdi loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.walletwriter.space/fpdi/
Unpacked files
SH256 hash:
45993229b5148370f59d05e6068d94ddc7aaf8be8640e8a204bcedc8b42ca189
MD5 hash:
8e64a4f11754d9f7df4a44f4dd3510ea
SHA1 hash:
e720f346c00392a44d26f491864e330521ad8d9b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
433494d21eabe777d1947da83d6281e5ac35bf98eea4791fcebf5e1561723384
MD5 hash:
f7058072591bbc7032cc0daedbccbf85
SHA1 hash:
847997208218185f757555f8c2fc15fc4b180f36
Malware family:
XLoader
Verdict:
Malicious
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 433494d21eabe777d1947da83d6281e5ac35bf98eea4791fcebf5e1561723384

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-11 11:23:43 UTC

url : hxxp://198.12.127.139/1113/vbc.exe