MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04a77eddc958bea38debfb0b41e1c17e0204e390595718f9b9aededffaa999ef. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04a77eddc958bea38debfb0b41e1c17e0204e390595718f9b9aededffaa999ef
SHA3-384 hash: 7a15e9830bd996709fe7a236fa3376c100b3b0ae074dec745008f6b747d1fed017e42a5d18a8b7e79dbca5148de8bdb8
SHA1 hash: 6124e4f3d0d0c48edc8f75dd43c2c61fb62aae70
MD5 hash: 471f5d71e40d9f2c4691d4d273026305
humanhash: mirror-michigan-nevada-diet
File name:SWIFT Transfer (MT103) RTOBZN02013546.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:420'352 bytes
First seen:2020-03-21 22:09:49 UTC
Last seen:2020-03-23 05:28:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:TwKACOS/Jr9bmjj++GTlEScVC6cIDLbeSonKcn6eI/PC:xd119qjklBcVCfM7Lc6
Threatray 4'829 similar samples on MalwareBazaar
TLSH 6694DF42F760CB41D660B27B42D5B7462F16F1D3E7818386276F87299EC72C62F1EA48
Reporter JoulK
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.42856474.13791.21101.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-03-18 00:18:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=astx5xojlc7khdpl7mfudyobpybajy4qlflrr6nzv3pn76vjthxq._file
Verdict:
malicious
Similar samples:
3374d3d11eef1e8fc48019fccac4fb5475ce8fec60c5e019c64662723fd5c1b3
FormBook
3e9bb2ac28ce3eddd3d78d47c7af51ccc143bdfe09faa32752c67fa126edabc3
FormBook
7f6459ace4d6259e61c8170563af8a30f25568457902f4f717c8ad17574efab6
FormBook
d07396040efdd9f7c600059a4023866f28d19268e46612a26bfe72464b54e6ec
FormBook
ed3318102d772c4dcecfb1e10f37cfd3fdcbaff1d340ba9c2bc5dcfe6383f339
FormBook
f01e05ea7a73c604ae68acbced809fa9a249818994aae64af13010b3ea82c892
FormBook
f7111becb8c59613ae4843dd30281edfa7684a931100f18fe64f75364ed85bf3
FormBook
fa03e53716c429b64b0709a2fd31b17e7ffd3cfc196afe74dfd3ff07b95be2bb
FormBook
fc714509dc4c3d6f3e13028be7be8207b2377331266c8ce213c575e511f8d31f
FormBook
ffe5b585cebd48c48d45d315506f232f43b77761225cb349fe80e73bfb2485d5
FormBook
+ 4'819 additional samples on MalwareBazaar
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

FormBook

Executable exe 04a77eddc958bea38debfb0b41e1c17e0204e390595718f9b9aededffaa999ef

(this sample)

anyrun
any.run
https://app.any.run/tasks/4f854ba2-0e7a-4a16-8fea-29deca4b48f9
  
Dropping
Formbook
  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments