MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c
SHA3-384 hash: 60ccce0726f782f73052b2f017f57e33c08d2b52c0efd0ab445ffa313f49005102eb014c11c0bcc1644739a9daa4f2bb
SHA1 hash: a853194afcd05e2a485bbe149e83fe716d72cbc3
MD5 hash: 8985a7f3ac0a252c443d06d5e07c89c3
humanhash: mississippi-louisiana-nevada-zebra
File name:RFQ ZHANGHAOBO CO.,LTD.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'061'376 bytes
First seen:2022-02-25 10:29:01 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 24576:CYW7cl0YjDfOFBAnly0fPS/v/FOSq1YbI01b5:Wo0+GFBglXOn+mPF
Threatray 11'130 similar samples on MalwareBazaar
TLSH T18F35E168F3B498A5F46B93BDD876E4311733BA4BA46BC50D364A309D0DA33C250A6F07
File icon (PE):PE icon
dhash icon c4c4c4ccb4c4f630 (12 x Formbook, 5 x AgentTesla, 2 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a853194afcd05e2a485bbe149e83fe716d72cbc3
Verdict:
Suspicious activity
Analysis date:
2022-02-25 11:13:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/facc68bd-97f2-4565-81bb-50ec5624e5e0

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/244684/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.31420.30810.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Launching the process to change network settings
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/6218af76dfdfa8501c59c74c/reports/266cfeeb-a193-4dec-b4c8-fbb0e9aa6072/overview
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b127ecba-ed2f-4001-8bc4-f34840237163
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/946326
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 578807 Sample: RFQ ZHANGHAOBO CO.,LTD.exe Startdate: 25/02/2022 Architecture: WINDOWS Score: 100 31 www.mdcxdgkr.com 2->31 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 11 RFQ ZHANGHAOBO CO.,LTD.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\...\RFQ ZHANGHAOBO CO.,LTD.exe.log, ASCII 11->29 dropped 55 Writes to foreign memory regions 11->55 57 Allocates memory in foreign processes 11->57 59 Injects a PE file into a foreign processes 11->59 15 resmon.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 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 shristiprintingplaces.com 160.153.136.3, 49780, 80 GODADDY-AMSDE United States 18->33 35 www.blue-chipwordtoscan-today.info 52.200.164.252, 49789, 80 AMAZON-AESUS United States 18->35 37 5 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 raserver.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-25 09:18:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2y5psvw6ybpy7d2ebtdp53nx3acfzpqmffj6vygj4yjk7bcryv6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
17a015fc34d0e243070f80340d1692b5a52d7806328c587d8fcb153c209ad545
Formbook
28562d1e97597dbe302d550277e91bd4aa6869bd3d356668bc7c48b2b6eaa3d1
Formbook
41a329a29ef2b80383739356d137646509dd5fcc91c40aacff48930d6ff6c407
Formbook
53685ac5f275b61fc580f2203e7d7e431d2b03b8e4320015b428745d68d5e333
Formbook
895f390d56ade378e72f343465d78ed3f3f98ab04a3fb3e2e2616184e566b6c5
Formbook
8f3deece688aa33294622610ff9e48cedc8aa6ac0ea2446808e932b626fd011c
Formbook
dac29469098164b1f450c5ad162b0a33e5e285ff872b83109771bb8ee8c4c879
Formbook
+ 11'120 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:iepw loader rat suricata
Link:
https://tria.ge/reports/220225-mh85sshbdq/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6f46bbe11aefb91872f2b1377c9071719880cac0adb6e1a9c49daa51063d0264
MD5 hash:
a542d3ba173d56e1717bbd8d29f40f41
SHA1 hash:
fd5540ce259913f595ed4bfd2fcee96ad8c72d97
Link:
https://www.unpac.me/results/f0fed80c-58aa-4006-910c-06bba9babf37/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/f0fed80c-58aa-4006-910c-06bba9babf37/
SH256 hash:
d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c
MD5 hash:
8985a7f3ac0a252c443d06d5e07c89c3
SHA1 hash:
a853194afcd05e2a485bbe149e83fe716d72cbc3
Link:
https://www.unpac.me/results/f0fed80c-58aa-4006-910c-06bba9babf37/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d63af956dec0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/244684/

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