MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 788510bf3fc20aacc76bd0ed1884ff8452f4e79023f2f3ad3072efbd7e74139d. 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 2 File information Comments

SHA256 hash: 788510bf3fc20aacc76bd0ed1884ff8452f4e79023f2f3ad3072efbd7e74139d
SHA3-384 hash: a6347b1df93e69e911b1210d0b930bee78b6f71bbb243cea9840cc53acf5c6d9ac076b7b7ab7879654d8b404ac210882
SHA1 hash: 83f753b95746a64a39e265ba8be6d8ebc81d2ca2
MD5 hash: 86b820d9ea72c63b583eac542a2d2ac8
humanhash: arkansas-lamp-hot-mountain
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:314'271 bytes
First seen:2021-03-12 16:29:33 UTC
Last seen:2021-03-12 18:35:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (277 x GuLoader, 44 x RemcosRAT, 39 x VIPKeylogger)
ssdeep 6144:zT4Dt6iVFI8ELPxyYri9hMic6wWHbUd9LJ3A58hQ1+v:zTSo8ELPcYkhMX6w6ed31Q1+v
Threatray 4'171 similar samples on MalwareBazaar
TLSH 7D646C82B8484859FD72377648275D3431AF6EE66636DB0F139737765FB32A2102BA03
Reporter GovCERT_CH
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-03-12 16:31:07 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 file in the %temp% subdirectories
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 367991 Sample: Quotation.exe Startdate: 12/03/2021 Architecture: WINDOWS Score: 100 31 www.michaelssavage.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 Quotation.exe 11 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\6xzl2srprav5ah.dll, PE32 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Maps a DLL or memory area into another process 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 Quotation.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.greensborohemorrhoidclinic.com 74.220.199.6, 49723, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 www.shizuoka-kensetsukyoka.com 169.56.29.200, 49719, 49744, 80 SOFTLAYERUS United States 18->35 37 17 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmd.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-03-02 05:23:00 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.greensborohemorrhoidclinic.com/pkfa/
Unpacked files
SH256 hash:
b34fb342f21d690aac024b6f48a597e78d15791ef480ac55159cd585d0f64af7
MD5 hash:
0a9fb96a7579b685ec36b17fc354e6a3
SHA1 hash:
355754104dd47d5fcf8918dee0dc2e2ee53390a6
SH256 hash:
0fd6b31b7b548d734f5e98605e2704e85e06eb6f1266e1ae4ced090d104b4dd6
MD5 hash:
648dd7ca10a88c3639f049f7a6634e0d
SHA1 hash:
8b88b5445fedf5938cac7f4a636181dfc12ac657
SH256 hash:
788510bf3fc20aacc76bd0ed1884ff8452f4e79023f2f3ad3072efbd7e74139d
MD5 hash:
86b820d9ea72c63b583eac542a2d2ac8
SHA1 hash:
83f753b95746a64a39e265ba8be6d8ebc81d2ca2
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_nymaim_g0
Author:mak, msm, CERT.pl

File information


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

a4e7f459281863ed8a1eaf031a97d3d58c4d1ba6e87fa9ee247a58c9fd7ca969

Formbook

Executable exe 788510bf3fc20aacc76bd0ed1884ff8452f4e79023f2f3ad3072efbd7e74139d

(this sample)

  
Dropped by
MD5 0ddd6c03d5e3457073e1e145cf92108a
  
Dropped by
SHA256 a4e7f459281863ed8a1eaf031a97d3d58c4d1ba6e87fa9ee247a58c9fd7ca969
  
Delivery method
Distributed via e-mail attachment

Comments