MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5fd6d272de7ed1db622c1e3fc51f5ce84338b700b94b7f86564e9f7f3de6b54. 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 4 File information Comments

SHA256 hash: f5fd6d272de7ed1db622c1e3fc51f5ce84338b700b94b7f86564e9f7f3de6b54
SHA3-384 hash: 00417baf03409315fcbef965efb15ff76d5998497a56598185250443d35c0b8c19263d05a5399b59a817da340b100d3e
SHA1 hash: dfbfaf095093ba3f44dacc0b8424ff6a28adf7b3
MD5 hash: eaf524a66d846bbc36c1b95e5866688a
humanhash: leopard-cardinal-nineteen-august
File name:eaf524a66d846bbc36c1b95e5866688a.exe
Download: download sample
Signature Formbook
File size:841'216 bytes
First seen:2023-11-11 07:40:58 UTC
Last seen:2023-11-11 09:18:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:SI1r8jKApP4nYju/jP1xatWW+cBV7R2Nv2oxFGdK4I9:SvjdP4nD7iAW+czQlbSe
Threatray 785 similar samples on MalwareBazaar
TLSH T137057A3D4CAC123BC274DEAB8B808466F5E5977337518D3964D356861E16E22FACC23E
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
277
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
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
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
Query firmware table information (likely to detect VMs)
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 virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341021 Sample: hiRBjcOzDH.exe Startdate: 11/11/2023 Architecture: WINDOWS Score: 100 38 www.viruceaseusa.com 2->38 40 www.ssongg3888.cfd 2->40 42 14 other IPs or domains 2->42 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 9 other signatures 2->58 11 hiRBjcOzDH.exe 3 2->11         started        signatures3 process4 signatures5 66 Tries to detect virtualization through RDTSC time measurements 11->66 68 Injects a PE file into a foreign processes 11->68 14 hiRBjcOzDH.exe 11->14         started        process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 17 explorer.exe 3 1 14->17 injected process8 dnsIp9 34 www.keoinfra.com 35.241.18.84, 49729, 80 GOOGLEUS United States 17->34 36 hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com 3.19.116.195, 49734, 80 AMAZON-02US United States 17->36 50 System process connects to network (likely due to code injection or exploit) 17->50 21 cmmon32.exe 17->21         started        24 WerFault.exe 21 17->24         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 21->60 62 Maps a DLL or memory area into another process 21->62 64 Tries to detect virtualization through RDTSC time measurements 21->64 26 explorer.exe 21 129 21->26         started        30 cmd.exe 1 21->30         started        process13 dnsIp14 44 www.ssongg3888.cfd 43.135.11.21, 80 LILLY-ASUS Japan 26->44 46 www.mostbet-wcx4.top 104.21.56.142, 49764, 80 CLOUDFLARENETUS United States 26->46 48 3 other IPs or domains 26->48 70 System process connects to network (likely due to code injection or exploit) 26->70 72 Query firmware table information (likely to detect VMs) 26->72 32 conhost.exe 30->32         started        signatures15 process16
Threat name:
Win32.Trojan.Swotter
Status:
Malicious
First seen:
2023-11-10 17:38:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o5gu rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
d0519d5f1255a251df14624cd890d063c86786b7b5c76d06966e9fea2352a6e7
MD5 hash:
0687104f07c9fb266500f287eaf2d677
SHA1 hash:
f7289340488450fb53d5b7e485e76c30ebc32ab7
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
f5fd6d272de7ed1db622c1e3fc51f5ce84338b700b94b7f86564e9f7f3de6b54
MD5 hash:
eaf524a66d846bbc36c1b95e5866688a
SHA1 hash:
dfbfaf095093ba3f44dacc0b8424ff6a28adf7b3
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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.

Web download

Formbook

Executable exe f5fd6d272de7ed1db622c1e3fc51f5ce84338b700b94b7f86564e9f7f3de6b54

(this sample)

  
Delivery method
Distributed via web download

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