MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99b93260c4690b06a5b1fca4d76dec79c30d78060faac6e9dc7fb5288f707a2a. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 99b93260c4690b06a5b1fca4d76dec79c30d78060faac6e9dc7fb5288f707a2a
SHA3-384 hash: 414ffcdcb8bf0dd11dd6aaa2dd522e14674472fc289a7f811c84bf33021e55408cd8719af624015bf5a9a26c904efc9f
SHA1 hash: 6f534aba1d0a80432b91076532f690e2a3a16c14
MD5 hash: e102c66e1ed6a7d92dae48d2dbf71f91
humanhash: spring-india-edward-monkey
File name:Invoice904778.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:278'528 bytes
First seen:2021-09-02 13:55:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a7b457d95a61ac70fd2b86bfae649b5a (6 x Formbook, 3 x AgentTesla, 1 x a310Logger)
ssdeep 6144:3gEfD/i1lkemVTt+ASZNaEz2lsS+QwyqqO04Xf+xknyy:1met+fNi+0O0g+xknyy
Threatray 8'989 similar samples on MalwareBazaar
TLSH T1F5443966B782F42DF4824479B919EFA540583D3029A8C453F7C2BF1B39721E6DA25F0B
dhash icon 83938787838b9b94 (5 x Formbook)
Reporter info_sec_ca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice904778.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 16:15:01 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/82b8f2f3-e8d2-4636-80eb-a291a03bab5e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/184802/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Forced shutdown of a system process
Unauthorized injection to a system process
Malware family:
Dimnie
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2e284e0-df41-49e3-b76a-adbdd38ad9fb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844069
Signature
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 476500 Sample: Invoice904778.exe Startdate: 02/09/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 Invoice904778.exe 14 2->10         started        process3 dnsIp4 34 img.neko.airforce 167.172.239.151, 443, 49699 DIGITALOCEAN-ASNUS United States 10->34 54 Maps a DLL or memory area into another process 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 Invoice904778.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.freshalife.com 208.91.197.46, 49718, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 17->28 30 www.rpjrwwgcj.icu 47.91.170.222, 49714, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 17->30 32 9 other IPs or domains 17->32 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99b93260c4690b06a5b1fca4d76dec79c30d78060faac6e9dc7fb5288f707a2a/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-09-02 09:18:28 UTC
AV detection:
10 of 39 (25.64%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tg4teygenefqnjnr7ssno3pmphbq26agb6vmn2o4p62srd3qpiva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3b612f10d1f41e30c40ce875d094f2e78c8744d4b3647683fc6af2212da4e233
Formbook
55f20748f621bf247877b71a3682640e5ec013d51c52363b5c51cca50b44c1bf
Formbook
6935472304f1b2e4e19ca521bf82ef1064f62ced4bf0ee3d1b6eac32a3f4b61f
Formbook
6bb8fa14bf9c650a67541ffedff2e3f1c055454b90489653c95aa39284d7eb92
Formbook
6d308c2e93c341ef11c0b14420e158fd650c637190a4daedf003ec091e703a85
Formbook
c5e2e6ca1132790699601f8a322bf098ecfc4001063a94ba0fb1861e73748fd7
Formbook
f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
Formbook
fc91b04dc9434c77e27e09fb6514c62b5a4ef4f66a58905a2a29c0b906ad9869
Formbook
+ 8'979 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:eqb6 loader rat suricata
Link:
https://tria.ge/reports/210902-q8pevsdbdq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.starseed-being.com/eqb6/
Unpacked files
SH256 hash:
99b93260c4690b06a5b1fca4d76dec79c30d78060faac6e9dc7fb5288f707a2a
MD5 hash:
e102c66e1ed6a7d92dae48d2dbf71f91
SHA1 hash:
6f534aba1d0a80432b91076532f690e2a3a16c14
Link:
https://www.unpac.me/results/d8385d97-eebc-47ec-bee8-6892624c6240/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/99b93260c4690b06a5b1fca4d76dec79c30d78060faac6e9dc7fb5288f707a2a

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
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/184802/

Comments