MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fb72cd2439c52470527c07a78f35cbbfd66d773a58f276505c717ab1d5134d6. 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 2 File information Comments

SHA256 hash: 7fb72cd2439c52470527c07a78f35cbbfd66d773a58f276505c717ab1d5134d6
SHA3-384 hash: f313afe12037f0dd6176e423931528cf838414d89ac01397c902ddb443633044443cbdad3f4362e4791b8a6d3a868b63
SHA1 hash: 2e6fc4d8d106e6e42b474145a4d764d070787428
MD5 hash: 9b497da920057a950895b8f1397bdac3
humanhash: yankee-white-grey-spaghetti
File name:7fb72cd2439c52470527c07a78f35cbbfd66d773a58f276505c717ab1d5134d6
Download: download sample
Signature Formbook
File size:964'096 bytes
First seen:2022-10-10 12:03:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep 12288:uhLuyAHbWEnFQE76vSc5XZ3Zg8MiVqmCgCvAQU13Dq887POez+hG5gc/2:uhLuyybtnG3XVZPodvc13Dqf5yAT
TLSH T10B25E0272BEA4F4BD12477B4D0A1C6F193B99C45A436C3876EC67CAFB0677208B60752
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)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Snort IDS alert for network traffic
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 719948 Sample: ZUb9Z3zh7x.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 31 www.usps-doorstephelp.com 2->31 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 6 other signatures 2->43 11 ZUb9Z3zh7x.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\ZUb9Z3zh7x.exe.log, ASCII 11->29 dropped 51 Injects a PE file into a foreign processes 11->51 15 ZUb9Z3zh7x.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.cho-research-z.net 150.95.255.38, 49710, 80 INTERQGMOInternetIncJP Japan 18->33 35 www.ticowind.site 205.178.189.129, 49709, 80 DEFENSE-NETUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 cscript.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-09-23 05:56:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r62p rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ec9881946c1e04d083fce7910e31c568e27ba3ce7e3b8bb66b855fa1a2904cc1
MD5 hash:
bea8ee83b157c1c3d7e9e15f358cc7c5
SHA1 hash:
eeabb3ae3ca492689731ac0ebea5cb46323d7c74
SH256 hash:
2be85cafa7dcf8dd3f29e98d3a5e403fefaac58a174bd3923c4ed356c11428be
MD5 hash:
8851cd5240098456b10e87789effa10a
SHA1 hash:
7d03118a3e96f5a0fe249a1bb9e4169174a094e7
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
7fb72cd2439c52470527c07a78f35cbbfd66d773a58f276505c717ab1d5134d6
MD5 hash:
9b497da920057a950895b8f1397bdac3
SHA1 hash:
2e6fc4d8d106e6e42b474145a4d764d070787428
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments