MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: 549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505
SHA3-384 hash: 9a622eb7f02eac418677a923f38c2c2b0d0a9634f9380f870782018f25933e6cbb7afa7e1d776cde65650d88d7fe6c41
SHA1 hash: 7be96d740256b5e1902b542f8b29386cf314ead0
MD5 hash: 19a932a11ef99504927a28bc9836451d
humanhash: chicken-table-saturn-william
File name:VERGİ ÖDEME FATURASI 10 ARALIK 2021 CUMA,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'120'768 bytes
First seen:2021-12-10 06:31:27 UTC
Last seen:2021-12-10 08:30:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:/YB4iaASorUrvEB7rGgU1QcKkzI2joNAr7oK9Fqjw01E7gkKqJ:/e4iaAl+iGtJ1oNArcKq1E7gkKqJ
TLSH T1BB3512A136A9CD10D2765F76CC9FA44007F8BD16A866D70D2EF872EE64733534902ACB
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VERGİ ÖDEME FATURASI 10 ARALIK 2021 CUMA,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-10 06:32:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c4a55e5f-a48c-48bf-9b27-693f745797c2

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/213054/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FSG.genEldorado.26085.17632.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b2f464fa72c81b5b15a921/reports/b2e8f7b7-f09b-4cc3-95e8-6d2236e0c397/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/719e3766-8f33-4a5c-8e8b-1b0aba54c400
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905114
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 537592 Sample: VERG#U0130 #U00d6DEME FATUR... Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 31 www.thantoc.net 2->31 33 thantoc.net 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 VERG#U0130 #U00d6DEME FATURASI 10 ARALIK 2021 CUMA,pdf.exe 3 2->11         started        signatures3 process4 file5 29 VERG#U0130 #U00d6D...21 CUMA,pdf.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 VERG#U0130 #U00d6DEME FATURASI 10 ARALIK 2021 CUMA,pdf.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.rkcoom.quest 37.123.118.150, 49789, 80 UK2NET-ASGB United Kingdom 18->35 37 www.thearthus.com 217.26.48.101, 49807, 80 HOSTPOINT-ASCH Switzerland 18->37 39 10 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 msdt.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-12-10 06:32:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ksowjpm3yybgtn2tn4jwlhuqfpbij476lbxf7yww5fzaxz3egucq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/211210-hal8vaghhm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
24fd920afbc6e9e13879bea2f457ee33083b323079fd57364b1c12f6148a8e04
MD5 hash:
b0f67a40aaa0559dd5da703ba762c1e1
SHA1 hash:
abbea105a8b7f27293f5499a37db372c5934572c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/793fdf8f-e5cb-4a79-9135-8e793b00d148/
Parent samples :
9da380610110986e6d1d902e4e0cae2fa00f81380d501461bed8d57f9e92b26a
1c960c3a6713b6964b98334618b02f3b2d7b134f63841f7d621efa7e9bb5f2fc
549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505
f80774cd7c699a392d2824b7b645a95fa0864d5a73c867999b0c5640d3011aa0
0730056cbfb7cd86025fcd5b99f94dda7829e33c768efdd11c335b47a281dfda
SH256 hash:
6e26fce8b934e7cbd111a1101879478b1f8b196b152adaf257e7dd72a9d72cbe
MD5 hash:
91dedd60e5119cdeafb229b2e7bf993c
SHA1 hash:
67cd18462864f1c794acecebbbdc219fbaaf7166
Link:
https://www.unpac.me/results/793fdf8f-e5cb-4a79-9135-8e793b00d148/
SH256 hash:
9cd82dba6c55d901ac7d7007b7a04a30146ad7c297400d44f9d96b90c5ca25d4
MD5 hash:
d9477c36da677507cd33c6eef325d694
SHA1 hash:
330dc88b5041ca9edf57542f5a30c37eef6f11b1
Link:
https://www.unpac.me/results/793fdf8f-e5cb-4a79-9135-8e793b00d148/
SH256 hash:
549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505
MD5 hash:
19a932a11ef99504927a28bc9836451d
SHA1 hash:
7be96d740256b5e1902b542f8b29386cf314ead0
Link:
https://www.unpac.me/results/793fdf8f-e5cb-4a79-9135-8e793b00d148/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/549d64bd9bc6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505

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: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 549d64bd9bc60269b7536f13659e902bc284f3fe586e5fe2d6e9720be7643505

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/213054/

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