MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f
SHA3-384 hash: d3d9916c6dee08b3fbf2b487be750448e2df107fe519d7cc2f664cd3e7964a699bde995e0f72834940f179539b70f962
SHA1 hash: 59590f855961d4f7b06d9c8d03247ca5ac5918e8
MD5 hash: b8a7f170821c7ffcdab85ddd5e96eda6
humanhash: sierra-oven-oregon-quiet
File name:file.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:881'664 bytes
First seen:2020-10-12 06:11:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:zTOL7C3MubNDYA5msEO3+eQu2A6XOop6xwPIgIifa0rJ:eL7KMPAMZZ5Zmopjfa0r
Threatray 2'407 similar samples on MalwareBazaar
TLSH 0715C02332E51F89D8BD8BFD462424E043F7BD5FA12AE1583DC264EF05E6B406615B2B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69944/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487997
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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)
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296449 Sample: file.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AntiVM_3 2->39 41 5 other signatures 2->41 10 file.exe 3 2->10         started        process3 file4 29 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->29 dropped 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 14 file.exe 10->14         started        17 file.exe 10->17         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 Queues an APC in another process (thread injection) 14->59 19 explorer.exe 14->19 injected process8 dnsIp9 31 www.femuewedrewa.com 19->31 33 www.cbluebay3dmall.com 19->33 22 cmstp.exe 19->22         started        process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 22->43 45 Maps a DLL or memory area into another process 22->45 47 Tries to detect virtualization through RDTSC time measurements 22->47 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f/
Threat name:
ByteCode-MSIL.Backdoor.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 04:27:26 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g75a2ektqmn57daikygrrkb27qwm5xuercbydfjw5oaus7ddekpq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
106f9f66c54be3c20be8f04ce63f5d6183d6eb9e79a6b243b5c820cc01ee24cb
Formbook
10a9aab39489aa507d35bb18b357ca6c9f8642d8fa27fc1ad9c7de03c8e9415d
Formbook
205522a02f43a8477a1ed81ea1dff4f5b914afbc01f68ac082e5bf76d73fe8b2
Formbook
4ab3ba278dacd218a4308aa0074105546a52256e029a29d67f8291facf25fd43
Formbook
5c0c2689256894521ac0012bc464ad7e0d93c25c60b9df3dfe26b35d85d1713a
Formbook
691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9
Formbook
89bf15eae14f60d6acc308cead31f09459947626b9839bbbddbf76f00821fe3b
Formbook
a998850fc7940055baac6f61dde2d0e29836c9386ac87555549eeaa1a9998401
Formbook
f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372
Formbook
f638e03e33b24d736db2873b3dee14d8312731d040adb93265b99e21b94b3978
Formbook
+ 2'397 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201012-nmp5nl8rzj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mxmsportsgear.com/dfr/
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/4461897d-aab4-4ba0-9b57-64fcd942fbcf/
SH256 hash:
b850c2777ffbe42b456ca1ec6ccd44b6243b5e5364c876a02f83783fa8a780bf
MD5 hash:
3bf3c9ba3a0ec550716e915f26b8e454
SHA1 hash:
da931856226a50a9178533f7defc2d72eab82674
Link:
https://www.unpac.me/results/4461897d-aab4-4ba0-9b57-64fcd942fbcf/
SH256 hash:
5471221d05c4363d2dcb8eea16133e78c54b0ae1d9169cc7d8d75df8a71658b1
MD5 hash:
884036c323f9ac728697f9b8449f17cd
SHA1 hash:
65eaa89e5651c5d1301f940898ebb5d184fcec9a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4461897d-aab4-4ba0-9b57-64fcd942fbcf/
Parent samples :
205522a02f43a8477a1ed81ea1dff4f5b914afbc01f68ac082e5bf76d73fe8b2
37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f
0c3afc73b1560d5d817104a616325e9f7a825e6b0158dfa0469b423c8bfbdf64
b7f9546fa9fb928d856b69a70174d693a84c641ad193e88e48c07cdb92751e03
7843242690547cf0b4ebea118783c903b99c3a211f1775db3cf24b09fbe2454a
7538931bad1762c44d0d66ea730a3ca6c5acb18d326f3a2f5bffa1f81864354e
SH256 hash:
37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f
MD5 hash:
b8a7f170821c7ffcdab85ddd5e96eda6
SHA1 hash:
59590f855961d4f7b06d9c8d03247ca5ac5918e8
Link:
https://www.unpac.me/results/4461897d-aab4-4ba0-9b57-64fcd942fbcf/
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/37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 37fa0d1153831bdf8c08560d18a83afc2ccede848883819536eb81497c63229f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69944/

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