MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79
SHA3-384 hash: 9455ce8849472a65ccfb38eaf74a92a4384b240565cf6d9e053a057a40bc6480b37399770771100731fbecf246708ada
SHA1 hash: 7034c0468367e51d829e958d93230dcdd8159097
MD5 hash: 02bcdd0da5c5cb3958bed31e2ec9423c
humanhash: nuts-three-north-sixteen
File name:RFQ141122.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'207'870 bytes
First seen:2022-11-14 08:23:36 UTC
Last seen:2022-11-14 10:23:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:LAOcZX9govWpwaN+Dw9t7TO2C4fpiCSO66Q1H62B8k6U:NLoWNMS7TO6fICl6jHj8k6U
TLSH T1A1451201B7D1CA73D6732A319A35B7297D383D205E259B0F67E47EBC9B306A04524BA3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0f033131313d0f0 (3 x Formbook, 1 x AsyncRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
190
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ141122.exe
Verdict:
Malicious activity
Analysis date:
2022-11-14 08:25:44 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/67dd505e-d27f-47eb-9662-9802d2bf3bef

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/333651/
Detection(s):
SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/52262/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/6371fb232445ecec3cc49a7e/reports/0939e7db-f07e-46b0-87f1-7d37289f76d8/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b6b9e190-90b1-4e63-8fb2-b35dc000f092
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1112705
Signature
Antivirus detection for dropped file
Multi AV Scanner detection for dropped file
Writes to foreign memory regions
Yara detected AntiVM autoit script
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 745401 Sample: RFQ141122.exe Startdate: 14/11/2022 Architecture: WINDOWS Score: 68 25 Yara detected AntiVM autoit script 2->25 9 RFQ141122.exe 3 63 2->9         started        process3 file4 23 C:\Users\user\AppData\Local\...\ntlpv.exe, PE32 9->23 dropped 12 wscript.exe 1 9->12         started        process5 process6 14 ntlpv.exe 1 2 12->14         started        signatures7 27 Antivirus detection for dropped file 14->27 29 Multi AV Scanner detection for dropped file 14->29 31 Writes to foreign memory regions 14->31 17 RegSvcs.exe 14->17         started        19 RegSvcs.exe 14->19         started        process8 process9 21 WerFault.exe 17->21         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-11-14 08:24:31 UTC
File Type:
PE (Exe)
Extracted files:
85
AV detection:
21 of 40 (52.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mi6zu5dup7s76xts5nynnornfedovnk3lw2q26lhfdtnpk2jfr4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fiun persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221114-kapp3sah9x/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ba8e397b-86d3-4279-b097-20a6caf9285f
Unpacked files
SH256 hash:
8f3c88f7e0da07aea63708ab1c990dc4bca0df2935faca04d0223db3abc6e48c
MD5 hash:
983b11d1719fc67e63f1d3aa76f9e0d6
SHA1 hash:
83147d9e643e4216c033424e4ef6a81446fdd75c
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2964412a-993f-41ab-aed4-4355888e786d/
Parent samples :
623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79
0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8
SH256 hash:
b1c6ba411aaecc7500c92e6abd17fc0c58efec698b2997404a1225cf73235db3
MD5 hash:
d0553bcf4c1101198ce6969d7cc1dfcf
SHA1 hash:
8291c63fd27c2e3a1dcf0deb96aea2af0d515410
Link:
https://www.unpac.me/results/2964412a-993f-41ab-aed4-4355888e786d/
SH256 hash:
548e06ef5a01e2b388c15214040b63ad16eeaceb16aa8f4d463ca410d007e070
MD5 hash:
71fef0a0b27060b1b42e14edcaad8bc1
SHA1 hash:
a35422d02eb329b2050c7970e589dcacb38e6ddf
Link:
https://www.unpac.me/results/2964412a-993f-41ab-aed4-4355888e786d/
SH256 hash:
623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79
MD5 hash:
02bcdd0da5c5cb3958bed31e2ec9423c
SHA1 hash:
7034c0468367e51d829e958d93230dcdd8159097
Link:
https://www.unpac.me/results/2964412a-993f-41ab-aed4-4355888e786d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/623d9a74747f/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/623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information

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

Malspam

Formbook

Executable exe 623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/333651/

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