MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee
SHA3-384 hash: c6ba29003b5ae2ea4ce240201a9040c535ad28a1335e46c25eadc31803f63a05b0c166f97a49602c99839c12148901ef
SHA1 hash: 276512acad7ec63916653862778438c169a3b890
MD5 hash: 74da6faf84783587dd82552dfa63eb00
humanhash: lamp-juliet-charlie-steak
File name:74da6faf84783587dd82552dfa63eb00.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:689'152 bytes
First seen:2021-09-27 12:32:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:41OlclRTqv/Q7z1jrRMd5mBJtxouynk/V5eb7e6OdDr:cP7bZSHmnT+k/Xemd
Threatray 9'634 similar samples on MalwareBazaar
TLSH T15CE4DF3422886DB4C13C87B6452E9A700B7E60267293F79C4DABF5D94E623C662DDF07
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MV HULDA MAERSK.xlsx
Verdict:
Malicious activity
Analysis date:
2021-09-27 08:34:57 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/7a1fe1e1-debd-41b8-97af-e588851355f5

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/192083/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5cdb958d-ebab-4062-adde-d5dbaecbe733
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/858957
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491388 Sample: pug6mtV48A.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 34 Multi AV Scanner detection for domain / URL 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 7 other signatures 2->40 10 pug6mtV48A.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\pug6mtV48A.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 pug6mtV48A.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 30 www.wwwhyprr.com 17->30 32 www.wedding-gallery.net 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses netsh to modify the Windows network and firewall settings 17->44 21 netsh.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/584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 08:14:41 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2b1a98add215568bb5e1c333321cf0ffe98d9128fa149c4f5a07ce2922750b3e
Formbook
2f086810181af89d5d29a30f5eafcc60efdd2dd3f68292dd3acff64fc92a547a
Formbook
3c75184f86f6231ed38be583a300e5af220f5d68654ea1fd56c833f333d0a589
Formbook
434837e7ca89c0c7a55c3b1611dbc172440b8808e938e3a192f65405dd9cafa3
Formbook
6d52f253766c4c64e2fb9e5f30a37eaa8833a9d9b669a627d367e9a80518f76e
Formbook
931ad1cf5a3299e9dde40176dcacfb31c152d03764ebdf70d2aaa7493c94f11a
Formbook
d80d29653891c1d84ba6b72e1eaafefd78700646859bcaa7ded2fc1e2fbafce4
Formbook
ef36fa059ef0b120143e87b78864c2d6774c399df68850311d44cf1f0facb81c
Formbook
f61ea12383c210bd9db6f0148321bfbc36b24c7b55197cbafef0ae23cadd9b9c
Formbook
+ 9'624 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cmsr rat spyware stealer trojan
Link:
https://tria.ge/reports/210927-psgjmshaa6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.odysseysailingsantorini.com/cmsr/
Unpacked files
SH256 hash:
f4338b7dad13fe19b62529f730dc2926e9bdbc9e38038dc81d628f4ded20f337
MD5 hash:
055c215128c3f6235871b87e858d19b5
SHA1 hash:
7d9669b69d4fac511e9304df2a0e9b27cb92f887
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ed996b85-c479-4d91-9bc1-9fb0f3b739ef/
Parent samples :
584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee
0ab5b36920783c2ba772f2a06ef832e22c07a551043dbae2c33cfcf27b1b238e
4fffaa823919f3c93679be8229d15e68e20cf5143abb689d928929b4e784eb16
SH256 hash:
71fde8d942a06161085febd5960cd93b24e1e5241c327fa5095e29084bafc36f
MD5 hash:
6a2a2f031d7e4cc2bf99e047829ee995
SHA1 hash:
815732d22de96cf4683959d55075421d9f6878f0
Link:
https://www.unpac.me/results/ed996b85-c479-4d91-9bc1-9fb0f3b739ef/
SH256 hash:
e500950d952e17f76cf76df78d612ea369196c4910f8241a132677b305111255
MD5 hash:
ec7333542a0ff779eeba586d58ea7c7c
SHA1 hash:
20e775faa9d9eb1c72d9470ee179c08cf88cce9f
Link:
https://www.unpac.me/results/ed996b85-c479-4d91-9bc1-9fb0f3b739ef/
SH256 hash:
9cf269abab1b1f7b6d4f096b8d6987c3ce3c8c52e54cac574051fef60ba31eba
MD5 hash:
f79c2fbe368ddeb31f64bbc29327b158
SHA1 hash:
144211cee548e24283a20c2239d5d0eced3d16f0
Link:
https://www.unpac.me/results/ed996b85-c479-4d91-9bc1-9fb0f3b739ef/
SH256 hash:
584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee
MD5 hash:
74da6faf84783587dd82552dfa63eb00
SHA1 hash:
276512acad7ec63916653862778438c169a3b890
Link:
https://www.unpac.me/results/ed996b85-c479-4d91-9bc1-9fb0f3b739ef/
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/584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee

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.

Web download

Formbook

Executable exe 584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1645289/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/192083/

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