MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98acba30e1beae1f5b26942e308d3e34e776abf297925b373bfe1e39ed6d5dc2. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98acba30e1beae1f5b26942e308d3e34e776abf297925b373bfe1e39ed6d5dc2
SHA3-384 hash: f7ca6370193e8b22154b73b4aeef6c4847b27268bf7c5a763bbcfaf1ac41b1af4a8c792cbfea9f0e4ac3d7bc3a5dd05e
SHA1 hash: b888ea3b9d4f0d63f1c51a33330434c524dd6dc5
MD5 hash: e4a7a29c60a51f6a17c1cba3cfd0c444
humanhash: friend-kentucky-october-yellow
File name:PROFORMA INVOICE PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'258'496 bytes
First seen:2021-06-04 10:02:22 UTC
Last seen:2021-06-07 11:24:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lJtWHMhWvTL1SR7J2q5nEGBxJiZS4GEWrA9QKWWeNwofE9I:lJtWTAR71EkOZS4PWrA9BQNMG
Threatray 5'594 similar samples on MalwareBazaar
TLSH F84529AD72A49893C05DCFB0A99DDB7F162229FD5312C9393134B18E3A033E95E69437
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
388
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PROFORMA INVOICE PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-06-04 08:32:20 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c777af27-48ec-4656-a5f3-f0a5fdf7cf0a

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/164586/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.803.UNOFFICIAL
Create hunting rule

Porcupine.MSIL.GenKryptik.FFMW.100625.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/797221
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 429617 Sample: PROFORMA INVOICE PDF.exe Startdate: 04/06/2021 Architecture: WINDOWS Score: 100 31 www.kaqitoy.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 7 other signatures 2->45 11 PROFORMA INVOICE PDF.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\PROFORMA INVOICE PDF.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 PROFORMA INVOICE PDF.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.kaqitoy.com 185.51.167.23, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Netherlands 18->33 35 www.kalptarucentrino.com 208.91.197.91, 49767, 49768, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->35 37 8 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wscript.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       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/98acba30e1beae1f5b26942e308d3e34e776abf297925b373bfe1e39ed6d5dc2/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-04 09:58:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
49
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tcwlumhbx2xb6wzgsqxdbdj6gttxnk7ss6jfwnz37ypdt3lnlxba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
38aca7d4c7a084ef1da611f17f38c78e6f13cdee6f586c3e672b20addc6dbed1
Formbook
3be580a28c970cf3ec0a48d5de174b94339eafbf1521d8047687ebf00a36058a
Formbook
4d802d9e6ca2715f9181c8a3314dee02ef95901049bdc955e1b0a66eee2186d4
Formbook
50fb163dd8e037bd8380f0704f7163161e2a1b292d5726c18ebe1b47a5c3c7c0
Formbook
5191f6a6fc1500632342d4820e8abd7c1d32c105f56399a2cece4e4db1fa77bb
Formbook
67ac52a653d895f47806945a2d84d0450ddc245a9191cf7eec37297649d5b3a6
Formbook
7354d7b72412d523ae9d7509500a345cda95bdd2b4a1a34c0ae1d59093d9e38f
Formbook
7f44866d28162faa0c8a1df17105b82f123a66efbb78c4a21fb836f0a9052a05
Formbook
b1fbc6ceb27ff1142228b55cfc493da29609dcaf9660ce70af8e574beecfd560
Formbook
bfc5459f5283fd7fd1026ac6b8da4dc47a73abb4744f2704451e8796925c1024
Formbook
+ 5'584 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210604-t7msma9cy2/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.kalptarucentrino.com/owws/
Unpacked files
SH256 hash:
1e7c66f6da06a0ea81371fb98d0e76424a600518b808140279c7ba8e06541ac5
MD5 hash:
8fe0389e4b903545421e42b628186cd2
SHA1 hash:
f6adc3d1a4ac995fad2a49474243d896b0236c2b
Link:
https://www.unpac.me/results/6eba9e19-010c-442e-9a77-0f4cfc847239/
SH256 hash:
98acba30e1beae1f5b26942e308d3e34e776abf297925b373bfe1e39ed6d5dc2
MD5 hash:
e4a7a29c60a51f6a17c1cba3cfd0c444
SHA1 hash:
b888ea3b9d4f0d63f1c51a33330434c524dd6dc5
Link:
https://www.unpac.me/results/6eba9e19-010c-442e-9a77-0f4cfc847239/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/98acba30e1beae1f5b26942e308d3e34e776abf297925b373bfe1e39ed6d5dc2

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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/164586/

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