MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b33627e8c4cb8392b64cd3b82b65cccb9a986dac0a19d9e8b7577274aaeee73. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b33627e8c4cb8392b64cd3b82b65cccb9a986dac0a19d9e8b7577274aaeee73
SHA3-384 hash: 6228ff886b156899a2576d267787b15d5f6bb1a56b52a5a6d8ef415242de4f37563cbcbd9398ae336ff9170b927dae87
SHA1 hash: 5c7856c764f9245cf69d41769cb5f1238997bcd6
MD5 hash: 5cbe3c33135407c9910469b6db11db61
humanhash: double-butter-cup-sweet
File name:5cbe3c33135407c9910469b6db11db61
Download: download sample
Signature Formbook
Create hunting rule
File size:5'888'000 bytes
First seen:2023-04-05 00:47:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 49152:Sd1fc7AM3fdrw+EEn4kNxPuE7dUh2BLQI4b0z32NrSVVyNzv3z/dUC9YjO:Sdtcpfdrw+Lvz4h7jb0cru6v/9
TLSH T19C56184653CB5925E0BB6732B4B8A109CB74EC255356E35FB0CC78BA2F32B915C5232B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon ccb2696d6933b2e8 (2 x Formbook, 1 x LummaStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
5cbe3c33135407c9910469b6db11db61
Verdict:
Malicious activity
Analysis date:
2023-04-05 00:51:17 UTC
Tags:
opendir formbook xloader
Link:
https://app.any.run/tasks/8da1fd50-2c6a-4b78-832f-3c73ae872764

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/380149/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.75146.11312.19385.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/642cc54456a0d407bc6ba8c6/reports/e222c5b0-a539-4888-ab08-30b20617694f/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/5b33627e8c4cb8392b64cd3b82b65cccb9a986dac0a19d9e8b7577274aaeee73
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/49c9d399-2d03-4cfb-be06-4f7c8ebaa57a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1208502
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841418 Sample: q64XoA5G7U.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 5 other signatures 2->49 10 q64XoA5G7U.exe 15 7 2->10         started        process3 dnsIp4 41 192.227.183.170, 49704, 80 AS-COLOCROSSINGUS United States 10->41 33 C:\Users\user\AppData\...\Qcwuqxecukj.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\...\q64XoA5G7U.exe.log, ASCII 10->35 dropped 61 Creates an undocumented autostart registry key 10->61 63 Encrypted powershell cmdline option found 10->63 65 Writes to foreign memory regions 10->65 67 2 other signatures 10->67 15 MSBuild.exe 10->15         started        18 powershell.exe 16 10->18         started        file5 signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 2 other signatures 15->75 20 explorer.exe 1 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 37 www.028sczx.com 104.166.84.164, 49707, 80 QUICKPACKETUS United States 20->37 39 www.evolveregroup.co.uk 35.227.197.36, 49708, 80 GOOGLEUS United States 20->39 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Uses netsh to modify the Windows network and firewall settings 20->53 26 netsh.exe 20->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b33627e8c4cb8392b64cd3b82b65cccb9a986dac0a19d9e8b7577274aaeee73/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-04-04 20:08:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
40
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lmzwe7umjs4dsk3ezu5yfns4zs42tbw2ycqz3hulov3sosvo5zzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:my28 rat spyware stealer trojan
Link:
https://tria.ge/reports/230405-a5sp4scg9y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
5b33627e8c4cb8392b64cd3b82b65cccb9a986dac0a19d9e8b7577274aaeee73
MD5 hash:
5cbe3c33135407c9910469b6db11db61
SHA1 hash:
5c7856c764f9245cf69d41769cb5f1238997bcd6
Link:
https://www.unpac.me/results/179c791f-8e8a-421c-956a-e59c00f52c95/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5b33627e8c4c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/5b33627e8c4cb8392b64cd3b82b65cccb9a986dac0a19d9e8b7577274aaeee73

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information

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

Web download

Formbook

Executable exe 5b33627e8c4cb8392b64cd3b82b65cccb9a986dac0a19d9e8b7577274aaeee73

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2596570/
  
URLhaus
https://urlhaus.abuse.ch/url/2595699/
  
URLhaus
https://urlhaus.abuse.ch/url/2597020/
  
URLhaus
https://urlhaus.abuse.ch/url/2597027/
Cape
Cape
https://www.capesandbox.com/analysis/380149/

Comments


Avatar
zbet commented on 2023-04-05 00:47:12 UTC

url : hxxp://192.227.183.170/gr8c/f8v.exe