MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a5d5dc65ece1692c90c837c2928014a3ca936e598e148401bb61cc685382d88. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a5d5dc65ece1692c90c837c2928014a3ca936e598e148401bb61cc685382d88
SHA3-384 hash: 0fddae5acd0cfd726df4c0290b0dfe6570d9d207e900fbef302903d9842377c7a09884b6690bdb0ce20b3ea788d76504
SHA1 hash: e2b3cce03af60f2d441b3434cdc9fca01a869eb4
MD5 hash: 06bd406caa62b0dcf109b03c2400632b
humanhash: neptune-kentucky-earth-kansas
File name:06bd406caa62b0dcf109b03c2400632b
Download: download sample
Signature Formbook
Create hunting rule
File size:52'736 bytes
First seen:2022-07-27 20:47:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:rcW1Vob2E04BcDu44IkZzP7z/zn2Ob06qjJiwuPO9ZIpG4CM61q9L:rcOqSE04Bci44D7zbXIJwW9uG4CMb
TLSH T1D333BF48FFC0E72BE5E68E38989A664541EAFB35E4134BD798C4636F5D727108C62F20
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 037a90b090dc6829 (1 x Formbook, 1 x zgRAT, 1 x LummaStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
348
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/294732/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.21918.27643.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
Setting browser functions hooks
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e1a4d37dd0cb902f07321c/reports/5d854395-622f-4d01-8e4e-c25ef106add7/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/41afa480-3d74-42fa-89b1-9957e5b662d0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1042110
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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 dropped file
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 674606 Sample: 7Lxhe1IOwu Startdate: 27/07/2022 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 8 other signatures 2->50 10 7Lxhe1IOwu.exe 15 7 2->10         started        process3 dnsIp4 40 sucon.ga 192.185.174.179, 49743, 80 UNIFIEDLAYER-AS-1US United States 10->40 34 C:\Users\user\AppData\Roaming\...\Bzhdbqm.exe, PE32 10->34 dropped 36 C:\Users\user\...\Bzhdbqm.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\...\7Lxhe1IOwu.exe.log, ASCII 10->38 dropped 56 Creates an undocumented autostart registry key 10->56 58 Encrypted powershell cmdline option found 10->58 15 MSBuild.exe 10->15         started        18 powershell.exe 17 10->18         started        file5 signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 2 other signatures 15->66 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        process9 process10 24 msiexec.exe 20->24         started        signatures11 52 Modifies the context of a thread in another process (thread injection) 24->52 54 Maps a DLL or memory area into another process 24->54 27 explorer.exe 119 24->27         started        30 cmd.exe 1 24->30         started        process12 dnsIp13 42 192.168.2.1 unknown unknown 27->42 32 conhost.exe 30->32         started        process14
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a5d5dc65ece1692c90c837c2928014a3ca936e598e148401bb61cc685382d88/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-07-27 13:15:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 26 (69.23%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjov3rs6zyljfsimqn6cskabji6ksnxftdquqqa3wyomnbjyfwea._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sn12 rat spyware stealer trojan
Link:
https://tria.ge/reports/220727-zlfnwahddl/
Behaviour
Gathers network information
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:
4a5d5dc65ece1692c90c837c2928014a3ca936e598e148401bb61cc685382d88
MD5 hash:
06bd406caa62b0dcf109b03c2400632b
SHA1 hash:
e2b3cce03af60f2d441b3434cdc9fca01a869eb4
Link:
https://www.unpac.me/results/bfdd2d32-48ac-4e26-8ee0-b170cd519042/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a5d5dc65ece/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Web download

Formbook

Executable exe 4a5d5dc65ece1692c90c837c2928014a3ca936e598e148401bb61cc685382d88

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2261828/
  
URLhaus
https://urlhaus.abuse.ch/url/2261954/
Cape
Cape
https://www.capesandbox.com/analysis/294732/

Comments


Avatar
zbet commented on 2022-07-27 20:47:20 UTC

url : hxxps://198.12.89.157/g/fre5.exe