MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 542e656f422a4cb0c3dd3aab2f0704ffa3d8f8fcbe4be5e5974bca08f896b8d3. 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 2 File information Comments 1
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SHA256 hash: 542e656f422a4cb0c3dd3aab2f0704ffa3d8f8fcbe4be5e5974bca08f896b8d3
SHA3-384 hash: 08e8fd56e8c424f9b9dbd52b6f9ac7cd15b5e8ab1680ac6674a38b91185753bed2449eab493d624703f4a5678940c6d9
SHA1 hash: 04145040114bebdf620ca7609e56bc4d3d399c94
MD5 hash: 41a3fd662125a3bbe25aa89b806b640e
humanhash: two-helium-mike-bulldog
File name:41a3fd662125a3bbe25aa89b806b640e
Download: download sample
Signature Formbook
Create hunting rule
File size:820'224 bytes
First seen:2022-09-29 03:58:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4B1doDsrPQhS+FhkTuxL6G0VSLHI0bctCkoAZE5hbqH:CCsrPQUIhuVD0bOI
TLSH T12905CF2A1BEA5F0BD125A7F891D0C2B6A3EADD15E432C3879EC61CDFB056B508760713
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0ccb2f0e8f0ccf0 (12 x Formbook, 8 x AgentTesla, 8 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/314585/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.3126.UNOFFICIAL
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SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6335180b78d4acb349f36912/reports/c3e68958-a20f-40e2-99a3-f0bbcd983607/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b5b55dee-bfe5-4b2d-b48b-fb3fd701a4c2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1079720
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 712277 Sample: A12v8VoMLW.exe Startdate: 29/09/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 10 A12v8VoMLW.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\A12v8VoMLW.exe.log, ASCII 10->30 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 14 A12v8VoMLW.exe 10->14         started        17 A12v8VoMLW.exe 10->17         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.kingstontrio.net 207.60.202.109, 49719, 80 COGENT-174US United States 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 explorer.exe 19->23         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/542e656f422a4cb0c3dd3aab2f0704ffa3d8f8fcbe4be5e5974bca08f896b8d3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-09-22 04:54:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqxgk32cfjglbq65hkvs6bye76r5r6h4xzf6lzmxjpfar6ewxdjq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ag94 rat spyware stealer trojan
Link:
https://tria.ge/reports/220929-ej3emshfh5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b25ce51-f2f2-4e93-a1c8-47d7aadc0c21
Unpacked files
SH256 hash:
2b70a727b76b6d99fb6347896507058fe984c34a5ed2df9e69a145016e0df0a1
MD5 hash:
faae1a1d5356fcf16bb324b2f9636ec6
SHA1 hash:
4c3ea9f966e3b399eb28e06f4e52a4630b9f0fcf
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/5d0938ad-0379-4fb5-b388-27b0a8092512/
Parent samples :
9c06bd5e1e9f92ea449869770a41d697dc242e134fc8c72447c1b730301fa418
7570348e9f9c0cbc989a61d195fd847499d64f8c74404f27a5eafe94274bd4d5
8ba4e909de453a9a2417a992da877b8d809c89a675618e574062d7cef6f18b1d
a5fce9acd8aef328e8a659ee64a13cbd13fe0fd813eb7a02cf5a1f2e23d64597
ca3afdd3df6970f8026481a1d7800d86ba9852aa6a12325330a91f05aa60fb32
c0b433e9f4a2438b5647e9e2e236747cc55e931e46da8e52531b1c70786467d2
542e656f422a4cb0c3dd3aab2f0704ffa3d8f8fcbe4be5e5974bca08f896b8d3
SH256 hash:
9476d7010a1131721d332327d5fe3d13a21a2ea96a85be1c527192328e9c2efb
MD5 hash:
75c636c86da6fe35b8d3fa9e44d9cc32
SHA1 hash:
f9103efecbea208a81e5b7cedf321e0a7d28396e
Link:
https://www.unpac.me/results/5d0938ad-0379-4fb5-b388-27b0a8092512/
SH256 hash:
aa08f9dcf89d7ff63c3cc8ac92be43677a0547c1efab2ab50c5aac3aa163a716
MD5 hash:
b61e7cd0e72bb4e10dd5a90eec1c032a
SHA1 hash:
c13bc8f173b5c2fb88552226e01cd48dde63face
Link:
https://www.unpac.me/results/5d0938ad-0379-4fb5-b388-27b0a8092512/
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
Link:
https://www.unpac.me/results/5d0938ad-0379-4fb5-b388-27b0a8092512/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/5d0938ad-0379-4fb5-b388-27b0a8092512/
SH256 hash:
542e656f422a4cb0c3dd3aab2f0704ffa3d8f8fcbe4be5e5974bca08f896b8d3
MD5 hash:
41a3fd662125a3bbe25aa89b806b640e
SHA1 hash:
04145040114bebdf620ca7609e56bc4d3d399c94
Link:
https://www.unpac.me/results/5d0938ad-0379-4fb5-b388-27b0a8092512/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/542e656f422a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/542e656f422a4cb0c3dd3aab2f0704ffa3d8f8fcbe4be5e5974bca08f896b8d3

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
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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 542e656f422a4cb0c3dd3aab2f0704ffa3d8f8fcbe4be5e5974bca08f896b8d3

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2285107/
Cape
Cape
https://www.capesandbox.com/analysis/314585/

Comments


Avatar
zbet commented on 2022-09-29 03:59:01 UTC

url : hxxp://208.67.105.179/buggyyzx.exe