MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91. 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
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SHA256 hash: 04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91
SHA3-384 hash: d5cbdb0a9c890712ad6784099db3c78d995377c1812ac223664bc30792d0cdbe54a72a8f433c6db122c857134bb2bbd4
SHA1 hash: fe5d24da28ed1c088d07b5f31a543112ee0bbd43
MD5 hash: 84b73db44bda6df6164adfe0809775de
humanhash: florida-fanta-berlin-hamper
File name:84b73db44bda6df6164adfe0809775de.exe
Download: download sample
Signature Formbook
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File size:671'232 bytes
First seen:2023-11-10 07:43:55 UTC
Last seen:2023-11-10 09:18:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:n8YXw5QdCt2IXwzjv2CZx3xaD5hJZOzC50c+/6TXOhq0E0:8Y4Y+HQjLxsxZ8CWgTXOm
Threatray 2'235 similar samples on MalwareBazaar
TLSH T1C5E46A3D59AD123BC1B9DFB18FC5D12BF1D0A9A77151AD78A8D303A64342A56F8C023E
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 :
262
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.24078.27111.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Link:
https://www.filescan.io/uploads/654ddf48641154c7e3f143c7/reports/b95eeb47-c155-4880-bf90-76713cc9631a/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/364deaba-f8eb-4060-b1bc-0e394f4f6d59
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1340368
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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 virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1340368 Sample: VoeNehitmj.exe Startdate: 10/11/2023 Architecture: WINDOWS Score: 100 34 www.waa.lat 2->34 36 www.sandbarcitymedia.com 2->36 38 14 other IPs or domains 2->38 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 10 other signatures 2->50 11 VoeNehitmj.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 VoeNehitmj.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 39 1 14->17 injected process8 dnsIp9 28 maurice-paetzold.com 81.169.145.151, 49717, 80 STRATOSTRATOAGDE Germany 17->28 30 www.rentpropertypalma.com 93.188.2.55, 49724, 80 LOOPIASE Sweden 17->30 32 5 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Uses ipconfig to lookup or modify the Windows network settings 17->42 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2023-11-09 15:57:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqdtwqpb6mzrffdlqiccbmhmi6ed73ju7znw3mtbx7ilth7lbkiq._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
024aa4a117fa7c5952577b1e904510e09c0e048a7bfaf320fcbdb4f309c41ba5
Formbook
5e427957acc0998dec94707a3b6a3ef8e0958b4fdf7dc8d1de112e2fa20bf174
Formbook
62903469e69d822aaf737b1dee1aed354de510ede2e25fbcd9fff3a55b24916a
Formbook
9680fcf70fd9253914ccf18d134c357b91fbce01f3f5161d13d54f0ddd464872
Formbook
cc06328c412ff41125dbceb0bc2838c1cbea24fa2909b7614e08b6546ad77891
Formbook
cf1280dea0bfb86e585e302b4dc4fd51cb1f12847b4685cd377f1a6c8f63765b
Formbook
ee15b6d592e19dac7b1baedfd072befcf7351c2e65ca5b2fca9ed1fb61ba3e11
Formbook
+ 2'225 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:o6g2 rat spyware stealer trojan
Link:
https://tria.ge/reports/231110-jktw4sdg4w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
b6b4c1bf2557e39c7f27e701d918cfed75ef7e91ec20db9231d7a9a5b1334c07
MD5 hash:
e5b3ff28403f788b6edd987572b27042
SHA1 hash:
6baeb28f9767310d00c497d1b7abc28662066303
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/58671219-1c43-4a39-a81e-aabe102ef6ae/
Parent samples :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 hash:
619c9d5de589ee5b46c5e0a3c152f02a1ac370ff6382cd7efff2820152d1d317
MD5 hash:
630ac55d4e963491aff704aa0626a252
SHA1 hash:
e6ecbd02dd758ee82fe9c52b07ee2b98da536ae7
Link:
https://www.unpac.me/results/58671219-1c43-4a39-a81e-aabe102ef6ae/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/58671219-1c43-4a39-a81e-aabe102ef6ae/
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
Link:
https://www.unpac.me/results/58671219-1c43-4a39-a81e-aabe102ef6ae/
SH256 hash:
04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91
MD5 hash:
84b73db44bda6df6164adfe0809775de
SHA1 hash:
fe5d24da28ed1c088d07b5f31a543112ee0bbd43
Link:
https://www.unpac.me/results/58671219-1c43-4a39-a81e-aabe102ef6ae/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91

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
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 04073b41e1f33312946b820420b0ec47883fed34fe5b6db261bfd0b99feb0a91

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2726784/
  
Delivery method
Distributed via web download

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