MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89cfea22f0e899865a0ac9e825f5d5246c3c6d531e17baf401d577c9506a4ddb. 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 2 File information Comments
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SHA256 hash: 89cfea22f0e899865a0ac9e825f5d5246c3c6d531e17baf401d577c9506a4ddb
SHA3-384 hash: d5103bfa2e0fd335ee2b7cd25e06ba1ef320fef4dcb779d27b4f1235e415d36d99eb80ad7fc7664f6f826df4f97ec08c
SHA1 hash: 5c4b0845302026ed1bc0162464ad8c278dcc3b73
MD5 hash: 59979570478ff63be9cec41d4c26d384
humanhash: michigan-friend-cold-single
File name:NHDYR.scr.exe
Download: download sample
Signature Formbook
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File size:721'408 bytes
First seen:2022-08-18 19:33:37 UTC
Last seen:2022-08-19 08:16:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:+b9v11R/5P09SOEK2714aulYjFqwmC+FKMvdnPSdlWQ6n:GPpOEK0ya5qfC+vdnPSdlWF
TLSH T189E4EF2436B91F57FABD57FEA9A0211403F86A1B201EF39C5EC2B0EF5961F954A10E13
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)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
403
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
NHDYR.scr.exe
Verdict:
Malicious activity
Analysis date:
2022-08-18 19:35:56 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0b250356-ae8d-45cd-b355-7926af0a594e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/299664/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1496.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fe94358adad7d773a01047/reports/9f88f16b-3fd1-4dd6-9969-46a767bf8617/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/9f8b6ff9-b613-4e06-9330-636677814fea
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1054009
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in 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 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: 686523 Sample: NHDYR.scr.exe Startdate: 18/08/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 6 other signatures 2->40 10 NHDYR.scr.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...30HDYR.scr.exe.log, ASCII 10->30 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 NHDYR.scr.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.thegauntletchallenge.com 63.141.242.43, 49728, 80 NOCIXUS United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 colorcpl.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/89cfea22f0e899865a0ac9e825f5d5246c3c6d531e17baf401d577c9506a4ddb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-18 13:18:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rhh6uixq5cmymwqkzhucl5overwdy3ktdyl3v5ab2v34sudkjxnq._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:o5df rat spyware stealer trojan
Link:
https://tria.ge/reports/220818-x94z9sdgd2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
d8f509f87fc41258dc81bb9720bdfa51638bf05853919ec3c3f352c39d516919
MD5 hash:
db7de8cdb8b497daba268a0c1617daa6
SHA1 hash:
81ab6e1a15c8ac64602677516c2ec9c86ab1fe80
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/c87fef5a-da60-4580-847f-8a1f4dbdd62a/
Parent samples :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 hash:
11f1d3e08e62a2999a0e81daff9bec391affa52ae6f3d8c555bc1b351f6e1951
MD5 hash:
667fad36b1d12fae187eb5416389b1cc
SHA1 hash:
ffe3056463f91ab3d1e5e686c823facc6eff5268
Link:
https://www.unpac.me/results/c87fef5a-da60-4580-847f-8a1f4dbdd62a/
SH256 hash:
b5a7145bba5e6bdd13938212f02d7cd3c43c7f8c4f9c8ea6bb1c6ba006227dec
MD5 hash:
70a315e8d1598810c67bec818c637154
SHA1 hash:
eaf2bf759fc1f0e15ea6b6a83f3190167d878f9d
Link:
https://www.unpac.me/results/c87fef5a-da60-4580-847f-8a1f4dbdd62a/
SH256 hash:
551ef0181260a5ab5728a618c2e86443753aaeb425e6c3b1346dfb0a661c73af
MD5 hash:
3c7205139e6aabd7de040b15021c24ed
SHA1 hash:
e4c66e4ca1bb3b5488d7c4ba7fddc8cac118955f
Link:
https://www.unpac.me/results/c87fef5a-da60-4580-847f-8a1f4dbdd62a/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/c87fef5a-da60-4580-847f-8a1f4dbdd62a/
SH256 hash:
89cfea22f0e899865a0ac9e825f5d5246c3c6d531e17baf401d577c9506a4ddb
MD5 hash:
59979570478ff63be9cec41d4c26d384
SHA1 hash:
5c4b0845302026ed1bc0162464ad8c278dcc3b73
Link:
https://www.unpac.me/results/c87fef5a-da60-4580-847f-8a1f4dbdd62a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/89cfea22f0e899865a0ac9e825f5d5246c3c6d531e17baf401d577c9506a4ddb

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/299664/

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