MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9
SHA3-384 hash: 0f22ab4a542a16f073aaec834727972423d849cc5989ede2844af646b0cb1e3aaa9282ded8512a4a7644c9dd11fdec1f
SHA1 hash: 9bc3b8c42f175118594c4e3d60baaaa19258d0ca
MD5 hash: b4f9ea614c26fc94d6acefe90294fa0e
humanhash: avocado-oranges-white-sierra
File name:InvoiceB952180.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:670'720 bytes
First seen:2022-05-31 04:50:34 UTC
Last seen:2022-05-31 05:30:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TrXpUSlB61512ydAaQl/r6w6usEzQjfoMFGEbFlB1uVj4wklrtwHj9PREkn:3XpUSlB61512yy7rfsEzQzX+V+W9Zzn
Threatray 15'923 similar samples on MalwareBazaar
TLSH T16AE4123462AD9B92CDBE0BF990578151A339C2499707F32EEED55DA924E33805E037E3
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)
File icon (PE):PE icon
dhash icon 70f8ecccece87070 (15 x Formbook, 9 x AgentTesla, 8 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
InvoiceB952180.exe
Verdict:
Malicious activity
Analysis date:
2022-05-31 04:52:06 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/1bf138b6-2785-4e0a-b415-2b343472662c

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/275583/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.29795.14228.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62959ef33223462f89ed1cef/reports/de190bbf-faa6-4d78-92e7-aa243aff763b/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0a413dce-dfca-44b6-9d2b-dccff5e4be9c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003939
Signature
Antivirus detection for URL or domain
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
Self deletion via cmd or bat file
Snort IDS alert for network traffic
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: 636435 Sample: InvoiceB952180.exe Startdate: 31/05/2022 Architecture: WINDOWS Score: 100 33 www.kingdomvisionarychallenge.com 2->33 35 www.grimoirestudio.store 2->35 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 InvoiceB952180.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\InvoiceB952180.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 InvoiceB952180.exe 11->15         started        18 InvoiceB952180.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.verantheacodex.com 156.234.9.30, 49816, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 20->37 39 www.ccqumiky.com 156.255.152.196, 49787, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 20->39 41 7 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 wlanext.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd or bat file 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-31 00:48:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6rg3sqg4xjoxigno3hpf5uygtwki5crvrp5plvickinkycndideq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
193a1c34da89d6440a096ee33aacb247b042be98968acc7ce6a88cc3156e0dab
Formbook
19f5a2d97c62b9c69a31e8cd0dddc9e18c852158bc1dc00a664bace1cbe7c2a0
Formbook
2da5d0fab4e517de649c1116c62b23202b6d4b46a99f1aa05d44d345d280ca10
Formbook
2de49b3102da5350531a70b7d670ce8c1a9da5d664d7530325780b9d19aed395
Formbook
5b39db4d27b6a3c5822a06632dedb65df333f7ab938433ed4761eaf88cebf4e8
Formbook
8ddee8d21d6847b663197cd64682cafc4a34bcc0a86af6a5e82f0bddfa838aee
Formbook
b8d8a8ab682956d7abd31c4fa49690ece5f9349ea7753e83243ef5a933df4684
Formbook
cc715fcd2300c306a1254671a3119516a60d0662b5776a690e0c2b451f868d34
Formbook
+ 15'913 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:mwfc loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220531-fgtkdsegb7/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4ce82b4a07ad340168a2ad58b49b21cc0355e9a320d9d81ce319b979e4693062
MD5 hash:
9ebd5c164f7f102207de25e6e5694367
SHA1 hash:
c1abefa4a86ab58afeb14381ade6eaf9e9638bb8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/970377b5-e086-4468-9778-f42bfd85d28e/
Parent samples :
b8d8a8ab682956d7abd31c4fa49690ece5f9349ea7753e83243ef5a933df4684
05d32cd3b93a055d165a689e3c561d6b32a291449ef4dbb2477d7b4153d7583e
2da5d0fab4e517de649c1116c62b23202b6d4b46a99f1aa05d44d345d280ca10
8ddee8d21d6847b663197cd64682cafc4a34bcc0a86af6a5e82f0bddfa838aee
193a1c34da89d6440a096ee33aacb247b042be98968acc7ce6a88cc3156e0dab
f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9
5027f6ad1cd2f9f50c7965fa2f959f93c4b199f4232c5b9f7f8a15406b57ec1c
441c12b87bca3daf36a571d93fa052b1cb47d9f6b1f80ef22ead84a1961ec66d
49b5b36041408c4f58810bad116898bec932533a1487099f1049c0df3740688f
78a9d166296301f3d370ad7a8a85e6e47264490a2b44bc48e4b123dd53117737
af565dffdabcb554023971da8baef27d012437fa48b2479592a727d3f8a5816b
a861c51fc6fba9da6fe8f42513395fef9f61b0ae69daa80fa9d695000608ed20
10fd06a398a69a6ed619974bbde91c9868e0abc9cf0bad3b38ce1dc7d3dc1ae6
1882a0700a0cbe3213f007458d82eafc571b2f19a539b1d3b6e985e22396a907
d4078f3fd171a8274ba364aef77d8d3e18093eae1badc1a57e0475dbc177d868
SH256 hash:
3c60643c585c60a4efd47d2c3ba38c8718b37e2406f51f80a08b653515e628a6
MD5 hash:
703acdfdfff09a71b8af10e460a1e968
SHA1 hash:
e7d1952be6d4597773e58352f2cce174bf3c2cad
Link:
https://www.unpac.me/results/970377b5-e086-4468-9778-f42bfd85d28e/
SH256 hash:
cd2c7ed161c31989c7ba37a57438b9de4a6b2c748b6265ce51da43ee912f7e25
MD5 hash:
156e204aa4c823f53b17154e3943314f
SHA1 hash:
67f4ad955f8a4ee73b9e5c8da01fc80576fc337b
Link:
https://www.unpac.me/results/970377b5-e086-4468-9778-f42bfd85d28e/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/970377b5-e086-4468-9778-f42bfd85d28e/
SH256 hash:
f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9
MD5 hash:
b4f9ea614c26fc94d6acefe90294fa0e
SHA1 hash:
9bc3b8c42f175118594c4e3d60baaaa19258d0ca
Link:
https://www.unpac.me/results/970377b5-e086-4468-9778-f42bfd85d28e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f44db940dcba/report/overview.html
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/f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9

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
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.

Malspam

Formbook

Executable exe f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/275583/

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