MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f58441e657a0972d0ba3b2f0377a4547016990b7195fa6259537945580a0ebb. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
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SHA256 hash: 5f58441e657a0972d0ba3b2f0377a4547016990b7195fa6259537945580a0ebb
SHA3-384 hash: ee260d3724836d6d9986ca2e0d1382a433e7f42f7eb683f9eb274a7135af2a8c3e93b61ed4c7dc7021ec16b7a2fb12ae
SHA1 hash: 81563b91e6c7d7eae68368dbe3f14978e041bc99
MD5 hash: 5d51a095a4d6db64f79ee0ca6f6d4dca
humanhash: echo-wyoming-mexico-speaker
File name:Quotation 6000063442 - REQUIRE SLURRY.exe
Download: download sample
Signature Formbook
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File size:233'984 bytes
First seen:2022-03-21 09:46:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:Xgg9x4Cu+qhAp08F1GRnN9dfz5AkqKnoe0:wgvmhAp08OnNekqKoe
Threatray 14'212 similar samples on MalwareBazaar
TLSH T13C34F8873944C59CCF6D55F7A307854433A9DCFFC918A6096BC833579EE6BA20822B1B
File icon (PE):PE icon
dhash icon f2909696969ef66e (42 x AgentTesla, 42 x SnakeKeylogger, 13 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/253480/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
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Win.Trojan.Generic-9907631-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6238499eb94fb38cb4c2049d/reports/5c374763-d37e-4ba8-98bd-ad49afd3d9ed/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:
njRAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65116d84-e8a9-46d4-a016-b4377bb26d9c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960592
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
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 Costura Assembly Loader
Yara detected FormBook
Yara detected MSILDownloaderGeneric
Yara detected Shellcode strings
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 593077 Sample: Quotation 6000063442 - REQU... Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 14 other signatures 2->45 10 Quotation 6000063442 - REQUIRE SLURRY.exe 15 4 2->10         started        process3 dnsIp4 37 cdn.discordapp.com 162.159.135.233, 443, 49769 CLOUDFLARENETUS United States 10->37 35 Quotation 60000634...UIRE SLURRY.exe.log, ASCII 10->35 dropped 47 Injects a PE file into a foreign processes 10->47 15 Quotation 6000063442 - REQUIRE SLURRY.exe 10->15         started        18 cmd.exe 1 10->18         started        20 Quotation 6000063442 - REQUIRE SLURRY.exe 10->20         started        file5 signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 timeout.exe 1 18->26         started        process9 process10 28 control.exe 22->28         started        signatures11 49 Self deletion via cmd delete 28->49 51 Maps a DLL or memory area into another process 28->51 53 Tries to detect virtualization through RDTSC time measurements 28->53 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f58441e657a0972d0ba3b2f0377a4547016990b7195fa6259537945580a0ebb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-21 09:37:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5meihtfpiexfuf2hmxqg55ekrybngilogk7uyszkn4ukwakb25q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01880a4afa8656841bb250a9a51b006f4137ffeeb3d9433af82569b597e5ea4a
Formbook
198a4a7609ba35046466d687d1c79c8ff4dcb0818ab256b1715a3677d23eba9c
Formbook
2d40f472fa610ec9068b1bb4d057ca2293e2389fe7915acd2237b6df85e9b6b3
Formbook
4e11667f1b10d3afa5f8bc073581224342f0753bbd9cf6a3cc5e470e89e0c4e5
Formbook
67db5982545c91192a7c4fcaa3cbe5324de3e69faa1af275b05926d80eda889d
Formbook
8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa
Formbook
92e4964a6f237d0ac0e881fbdb1ed93a46e78cead4894fbd9667a00a80b96da7
Formbook
e9f3be0c409dfce073fc55ea97594b0ff18f7953e1793cb7aa8a7c0f87549ebb
Formbook
+ 14'202 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:b11y rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220321-lr7snabchq/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5f58441e657a0972d0ba3b2f0377a4547016990b7195fa6259537945580a0ebb
MD5 hash:
5d51a095a4d6db64f79ee0ca6f6d4dca
SHA1 hash:
81563b91e6c7d7eae68368dbe3f14978e041bc99
Link:
https://www.unpac.me/results/f8d55fbd-5ceb-410c-a253-6ffa7cf482cb/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5f58441e657a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/5f58441e657a0972d0ba3b2f0377a4547016990b7195fa6259537945580a0ebb

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:dsc
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Author:Aaron DeVera
Description:Discord domains
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
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Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
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Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

Formbook

Executable exe 5f58441e657a0972d0ba3b2f0377a4547016990b7195fa6259537945580a0ebb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253480/

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