MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54b9a3740468ce0736c3ef889c789460dc2f9b4c63209f6bbde7bf4e6b694d84. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 54b9a3740468ce0736c3ef889c789460dc2f9b4c63209f6bbde7bf4e6b694d84
SHA3-384 hash: 0b9c742f72eec3550e03740b723433ff52b8e7775e2dcc66dd9c53597c5fb344960aeade6c868e72140c8cebb5e2cfea
SHA1 hash: 6a4e088fd685485a1a546f7be0d3020d6c18532a
MD5 hash: d52ce2f4f59f3ba663ab9b0921f7f0c5
humanhash: november-mango-moon-hydrogen
File name:NEW PO-20220168.exe
Download: download sample
Signature Formbook
File size:507'904 bytes
First seen:2022-06-23 20:22:35 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:Gz5EtVH1fjUyr1dAtly4FUMPzYYMmhnQa5Ele:BVH1fZYFUMPUlKE
TLSH T1DDB4DF2137ACBB11D6BEDB791250845043F4A18FFA23F50E7EA708CE1D95B4183A6B76
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
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)
Multi AV Scanner detection for domain / URL
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 651404 Sample: NEW PO-20220168.exe Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 31 www.thefatreview.com 2->31 33 www.pokerisparadise.com 2->33 35 thefatreview.com 2->35 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 6 other signatures 2->49 11 NEW PO-20220168.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...29EW PO-20220168.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 NEW PO-20220168.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 37 mainsuranceagency.com 208.94.107.33, 49837, 80 FIBRENOIRE-INTERNETCA Canada 18->37 39 www.xviseos.red 199.59.243.220, 49810, 80 BODIS-NJUS United States 18->39 41 7 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-23 20:23:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ssmm loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
b09ff682193ceb89978e4cde8caf94c61a46cd2bd019e8ef971730a8d67dc399
MD5 hash:
24fbd1f24e0f9a838873431f21c423f6
SHA1 hash:
1f9b5b34d84b27503e965b9f0b1a3f2ddd8bbce0
SH256 hash:
54b9a3740468ce0736c3ef889c789460dc2f9b4c63209f6bbde7bf4e6b694d84
MD5 hash:
d52ce2f4f59f3ba663ab9b0921f7f0c5
SHA1 hash:
6a4e088fd685485a1a546f7be0d3020d6c18532a
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: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.

Malspam

Formbook

Executable exe 54b9a3740468ce0736c3ef889c789460dc2f9b4c63209f6bbde7bf4e6b694d84

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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