MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d7e4cedde9a2c613ef907b1fd8c9790e349ae738350d90cfb6c129ef689c159. 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 3 File information Comments

SHA256 hash: 4d7e4cedde9a2c613ef907b1fd8c9790e349ae738350d90cfb6c129ef689c159
SHA3-384 hash: 3cccfb8bf9635279197e05be3edfaefc1c6afffdbab29c42a91deff3f16a7580b611c4dd13e16008ce7187b65c15350d
SHA1 hash: dc62122e0ace285034495d9be8185636de5540bf
MD5 hash: 7a4ee3c9e3e9105814a2c02a6e326055
humanhash: nine-april-kilo-yankee
File name:Balance payment advice.exe
Download: download sample
Signature Formbook
File size:1'466'368 bytes
First seen:2021-08-12 06:29:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:zT9tUc2l1qQJqxauG32hdZ4W+fJkOV3ksFVT2fXz:dtr01dsxahGhUfJr3ksFVT2/
Threatray 7'655 similar samples on MalwareBazaar
TLSH T10065C43C29B9262BD076D779CBE19827B4109CAF3561BD54A4D633260373B52B9C322F
dhash icon 732f5b6d6d677361 (11 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Balance payment advice.exe
Verdict:
Malicious activity
Analysis date:
2021-08-12 06:33:18 UTC
Tags:
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
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
Initial sample is a PE file and has a suspicious name
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 submitted file
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 signatures2 2 Behavior Graph ID: 463881 Sample: Balance payment advice.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 10 Balance payment advice.exe 3 2->10         started        process3 file4 27 C:\Users\...\Balance payment advice.exe.log, ASCII 10->27 dropped 13 Balance payment advice.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.adjud.net 77.111.240.231, 49759, 80 ONECOMDK Denmark 16->29 31 www.officee65.com 23.82.12.30, 49762, 80 LEASEWEB-USA-WDCUS United States 16->31 33 6 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 cmmon32.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bp39 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.piadineriae45.com/bp39/
Unpacked files
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
fbe71104dbdb5f5cf5aba191a8d12af605f45947d707da8c98eb560026f9b763
MD5 hash:
3fad3d9bf8a36f895ef1227cbb8f3590
SHA1 hash:
4e1ca7152ec8db9594c3c2b7dbb19bbe281f801a
SH256 hash:
4d7e4cedde9a2c613ef907b1fd8c9790e349ae738350d90cfb6c129ef689c159
MD5 hash:
7a4ee3c9e3e9105814a2c02a6e326055
SHA1 hash:
dc62122e0ace285034495d9be8185636de5540bf
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: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 4d7e4cedde9a2c613ef907b1fd8c9790e349ae738350d90cfb6c129ef689c159

(this sample)

  
Dropped by
null
  
Delivery method
Distributed via e-mail attachment

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