MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8
SHA3-384 hash: 9a2ea69f90eb464de4f24e523b6e2703fdeba429a958e11a753005ba695c88f1610ccffe99026a9718beb4a451a36e6a
SHA1 hash: 39da546e066a3e83b9d9c18a942cb18690868320
MD5 hash: ec9bc7cf247b5824c06b4a44912a9158
humanhash: fillet-white-quiet-oranges
File name:Remmittance Advise.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:726'016 bytes
First seen:2021-09-01 04:18:41 UTC
Last seen:2021-09-01 14:03:27 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:S5vxdHRnttFPo7JvYxADAg8gc/WRB2qEsIpMcMGFGocE6cHL01lWvGPP7r9r/+pj:StxdxttBoJH7JEnWcM6c1q
Threatray 8'731 similar samples on MalwareBazaar
TLSH T1FEF49D85F54065ADCC1ACB319A36CC3096227DBE9A3A950D24DF3E6B3FBF29745110A3
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remmittance Advise.exe
Verdict:
Malicious activity
Analysis date:
2021-09-01 04:21:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f1991cff-db8f-43a8-bf53-6745fad5802c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/184341/
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
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/131ebc15-e144-4658-a188-bd531f051be8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/843073
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 475504 Sample: Remmittance Advise.exe Startdate: 01/09/2021 Architecture: WINDOWS Score: 100 36 www.halocommunityservices.com 2->36 38 ghs.googlehosted.com 2->38 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 Remmittance Advise.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\Remmittance Advise.exe.log, ASCII 11->28 dropped 14 Remmittance Advise.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 medicinas-enlinea.com 192.185.236.165, 49709, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 14.pltraffic5.com 72.52.178.23, 49719, 80 LIQUIDWEBUS United States 17->32 34 14 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Uses ipconfig to lookup or modify the Windows network settings 17->42 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 52 Self deletion via cmd delete 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8/
Threat name:
Win32.Trojan.Phonzy
Create hunting rule
Status:
Malicious
First seen:
2021-09-01 01:05:31 UTC
AV detection:
21 of 45 (46.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r4qpvj7wkgbzf33ffif54tgxdipwsoyi2yz2nmiw4hnexc4rel4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
190f393f80634efff05c0dc2b7a21dbd7e5cf2695f3f611e8c0d78f1086b0774
Formbook
3f9a8485314c2b666caf0a1a729a96cb974780f331ea9baa0c03e7f02035cf05
Formbook
7f2cc5439f4ede32445e247192c587fdb8b235be0f839c4dafeb36ac66388472
Formbook
88965fe324fadc62b6a3d21b17180c65ddd2fb8b4fb0d021f358979a3a393e68
Formbook
8bc53adb417402cf954d8018bc35c0f4f853d5a2e3471c4de98ca8e1fa8fa1e9
Formbook
975d26e2e3cbc36e78c184a98bff54686261c65bba363d93391076b6a248b486
Formbook
a173731d16e9140be26ee0a16e6416109b684b71a3523a3c4b85cf101bcd3b1e
Formbook
a29d5d9dae6f9937c1f0dcf733031f3478d74f326c1913727eb9e65e53c82ab9
Formbook
fb3912c5b687ea7412dc249538d7c02b790f6edde2f23497c05faabd848cb16c
Formbook
fea7b692b71803eb020f04ec1a5f8118f5845910d9677fdb4636d9a7d209d0fa
Formbook
+ 8'721 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bqt25 loader rat
Link:
https://tria.ge/reports/210901-brea5ge65e/
Behaviour
Gathers network information
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
Malware Config
C2 Extraction:
http://www.jinmisadiq.com/bqt25/
Unpacked files
SH256 hash:
64b65399d0eaffb74db06fa149c73f43d74a2bcef1846ebcfe2123e39e2f1f67
MD5 hash:
2b6e746da9a57b242137034177846673
SHA1 hash:
ff41d0c14ecc2523a23b742d22d1a110220c75a3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9e13f082-8171-463d-ae85-61bdd5143d9c/
Parent samples :
3f389ee6edf6cdec4d0fe9c558f8eeca82b1b76bf3f98ac15308449bf9b8a2d0
5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5
8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8
5dd7c49d8d8da5f95a33098900d2968aa7d98fd573b42974507030d12f7e17ff
89ca79d155812a91049697409e5a809ea342547154705edde9dfcbb7469c210a
8239bf37b4ea55f7ac1a1e4dbeaef7107b48861ca29815764528b57efc78098d
SH256 hash:
758763d712c27c53a8b85de07582c9a250638b557e8dcfbae7c278f810241ac1
MD5 hash:
8b7d29dc138f646510a835ffc76e6796
SHA1 hash:
bff289517dc53acc9e172e3445fc87d82f8ee351
Link:
https://www.unpac.me/results/9e13f082-8171-463d-ae85-61bdd5143d9c/
SH256 hash:
daf33bb6709da887746b6e41834454eb94a2ee08a79c629548dc2700341c53fa
MD5 hash:
5329155486208d0ca8ebd9cc361f4de9
SHA1 hash:
08d93307edf5884581938b21d379fd4fd0697abc
Link:
https://www.unpac.me/results/9e13f082-8171-463d-ae85-61bdd5143d9c/
SH256 hash:
8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8
MD5 hash:
ec9bc7cf247b5824c06b4a44912a9158
SHA1 hash:
39da546e066a3e83b9d9c18a942cb18690868320
Link:
https://www.unpac.me/results/9e13f082-8171-463d-ae85-61bdd5143d9c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8

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:dridex_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:pe_imphash
Create hunting rule
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 8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184341/

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