MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a521b489989a9c3e92621174ec90982d6bbf04ddc074eff4feef54c18017418c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a521b489989a9c3e92621174ec90982d6bbf04ddc074eff4feef54c18017418c
SHA3-384 hash: 475b3e814390168120047d45eaa9b706d6a18e4781ca17f73b92cc6160c49f63056730eee1229d3cd1bc1145a181bfb1
SHA1 hash: c5f35af89e31633b921f81ca037d37bc27a5d189
MD5 hash: 0eb57a45752250a02951ac1fd7e79061
humanhash: bluebird-helium-ohio-thirteen
File name:00928377320212607_pdf.exe
Download: download sample
Signature Formbook
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File size:1'628'672 bytes
First seen:2021-07-26 13:04:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:phOc1xW5oaXpcB7mVSaccPuvcd5OGQT/1/0nS+7n4SYwqK4zf3RTsAHWAgqChJ+T:TAiecqBRNT4wgp/anPCfNQuiNB/e
Threatray 6'386 similar samples on MalwareBazaar
TLSH T1E875080C6DDEB26BF65B11BC356C10D85066FC19C708ADB7AE0ABBF67062E95503B087
dhash icon f0dcf8dcdcd0ccf0 (13 x AgentTesla, 6 x Formbook, 4 x Loki)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
00928377320212607_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-26 14:38:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/379d3ec9-b4e1-4420-921d-decf386cb92d

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/174125/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DZG.6478.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c40a9046-726d-4d54-985f-a659460a4713
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/821778
Signature
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-07-26 01:33:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuq3jcmytkod5etccf2ozeeyfvv36bg5yb2o75h655kmdaaxigga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
238dd9cb9b1c235e2babbc3f3b1372da8d76e4d94a4440776814957e0fd09f0b
Formbook
bd6455c559a9308054622aa9a30388d0ac83dd09af4ce4d1e9a715e2f1baeb53
Formbook
c224e597b165da77d8555c2d28901b3526dd5369f0b89b4cd4c798c18a088c16
Formbook
c2f77aaf305ed67feccf0a292e85a872c3d30499aae0311286e55c491f2bd074
Formbook
cbe7c0318d2f88aff2f18fc19a824bfdebcf2f7137d85adac1a5799afbb6876b
Formbook
ccb857bca12ac7474e7b496a4cc5301cd37a71825f4b9236044ecc7906bd0def
Formbook
da53dee3043507717691fb915e4600225eb03cbedb44cd17324c8cd916ccd176
Formbook
e0f93dc02d0e89dd09178d7bdae7aeb74338d7f2e3678d7be4e975256dde69ae
Formbook
eafdb129c8149dd8323fc49907c4897db14aba8c1399ba87a4636281601a2aa7
Formbook
+ 6'376 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210726-nlcw397w6x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.makarimusic2020.com/uisg/
Unpacked files
SH256 hash:
de5789174361d73723459b063a161d22943076a69b31ce2dbfe554fd6a77bb35
MD5 hash:
4c18fbb276f17c0361c3ae33b6c95219
SHA1 hash:
f7b7b2e7b041620063acd74d16308ee6044506ea
Link:
https://www.unpac.me/results/fcb77d7d-a856-4716-b1a8-f2bf5d2b33f0/
SH256 hash:
a521b489989a9c3e92621174ec90982d6bbf04ddc074eff4feef54c18017418c
MD5 hash:
0eb57a45752250a02951ac1fd7e79061
SHA1 hash:
c5f35af89e31633b921f81ca037d37bc27a5d189
Link:
https://www.unpac.me/results/fcb77d7d-a856-4716-b1a8-f2bf5d2b33f0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/a521b489989a9c3e92621174ec90982d6bbf04ddc074eff4feef54c18017418c

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
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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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/174125/

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