MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fef546d71e9ed9f2e457bfd9aeb23a42a5074af37599c7fe4dcfeb8f687723c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fef546d71e9ed9f2e457bfd9aeb23a42a5074af37599c7fe4dcfeb8f687723c
SHA3-384 hash: fef2b0b9d42903dc394090788125629d6d2ab0edfaf37b478cc059655f141268f618a675ef9ca8f6d671ac526e9acfcc
SHA1 hash: bcc8f769e51cd9f8a160e58840f80a008e2b72e2
MD5 hash: ebce26da75669d94dbc0550bf394b204
humanhash: india-bulldog-connecticut-failed
File name:invoice dhl.delivery document and original invoice sign.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:449'536 bytes
First seen:2021-12-02 16:25:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:pY6XjcPK3hl0If0PufZptLKxO5J/jJUf7b3:LXjSKgIf8ufTtLPlqfP
Threatray 11'911 similar samples on MalwareBazaar
TLSH T1B5A4F08B3694E4F2D13C1833BE43940F22A72DF8EE51D34A6797F61B28716A05E509B7
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice dhl.delivery document and original invoice sign.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-02 17:15:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3ac53671-6d4c-455a-a73b-d2779050f776

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/210810/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a8f39df9d950eb11b6c6f0/reports/dd6a492b-7f89-4283-9986-f6460096f7a7/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bfde0840-7e5c-4e9c-8d18-4a8a643ff4c4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/900379
Signature
.NET source code contains potential unpacker
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 signatures2 2 Behavior Graph ID: 532858 Sample: invoice dhl.delivery docume... Startdate: 02/12/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 9 other signatures 2->42 10 invoice dhl.delivery document and original invoice sign.exe 3 2->10         started        process3 file4 28 invoice dhl.delive...nvoice sign.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 invoice dhl.delivery document and original invoice sign.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.mimamincloor.com 17->30 32 www.federaldados.design 17->32 34 pixie.porkbun.com 44.227.76.166, 49792, 80 AMAZON-02US United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msdt.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/5fef546d71e9ed9f2e457bfd9aeb23a42a5074af37599c7fe4dcfeb8f687723c/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-02 12:54:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l7xvi3lr5hwz6lsfpp6zv2zduqvfa5fpg5mzy77e3t7lr5uhoi6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ed21fc2049e9b5697a5d8ec374c41bcbf83c6210fab4d58b6bdf1282f44c739
Formbook
259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510
Formbook
4bde2d0abed748c6fb8620ab890cbb09fa5749c4ef749e8cd5c6c7dd40cfd37b
Formbook
4f6a9d2f8c26c5106123e3684d72d2624e58226f0c845a265cadf80e67b49842
Formbook
5faf43a6f7999e59d5660ed1b485bb6be7a3cb80b753e0a644fd7bc282f7f6bf
Formbook
60ff626adc6a02e50f060f456b0b7f8a11577e923624b3fa8c009d758892439b
Formbook
69169d89d7b806d4e42f45dc20447e2d8657cb7f5425b08fa35d6cdd1f303be4
Formbook
8f0a372287ebba19a62630d683fc3292df06a10faeaed2ac68cde0c5b2374844
Formbook
9ef59c316ef7c708193c4f92d61218a7ef39c6ab788f88853c2c374968037006
Formbook
d96040239b3b2251bbe2e9aeb3f00cfef3917b6427ce2b42260bb437351e6476
Formbook
+ 11'901 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:9gr5 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211202-txhdysadfl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.cuteprofessionalscrubs.com/9gr5/
Unpacked files
SH256 hash:
e33a6a4448f3d6de07e23e8eb74d5ae5a5169ad4227f58b675afa54d6a450fca
MD5 hash:
0bab61da652cb52174ac97a832701839
SHA1 hash:
8f7a794cf8e9d05a2a8bbae064834a56e9c68810
Link:
https://www.unpac.me/results/f313aad3-de67-4a3f-9497-f26ba55c83ff/
SH256 hash:
1eba3e6e55f4aa87ee88dad11183f808f00870bf6277e3ae19fb31400a1dbe5b
MD5 hash:
00b620728472aef2af115e0455930cf8
SHA1 hash:
649a4ad0f13a3176ea36b855c1b36fbce246446a
Link:
https://www.unpac.me/results/f313aad3-de67-4a3f-9497-f26ba55c83ff/
SH256 hash:
5fef546d71e9ed9f2e457bfd9aeb23a42a5074af37599c7fe4dcfeb8f687723c
MD5 hash:
ebce26da75669d94dbc0550bf394b204
SHA1 hash:
bcc8f769e51cd9f8a160e58840f80a008e2b72e2
Link:
https://www.unpac.me/results/f313aad3-de67-4a3f-9497-f26ba55c83ff/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5fef546d71e9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/5fef546d71e9ed9f2e457bfd9aeb23a42a5074af37599c7fe4dcfeb8f687723c

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: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 5fef546d71e9ed9f2e457bfd9aeb23a42a5074af37599c7fe4dcfeb8f687723c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210810/

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