MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b35297b640271fea6e846f28d07852589f60ab88ee597c0e2eea68a5de3bec9. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 5b35297b640271fea6e846f28d07852589f60ab88ee597c0e2eea68a5de3bec9
SHA3-384 hash: e5eb99f73e51183d11617e19f98aea7ad7214227fdf53629f2649683528bacbf2df21f7660a88c73f8575888eaaa551d
SHA1 hash: bbb321d380c3f9d17e49a9f2167234742e292e4d
MD5 hash: b405bf6533c047b1a47ceced3b42c23b
humanhash: stream-spaghetti-washington-utah
File name:Eset32.exe
Download: download sample
Signature Formbook
File size:4'139'932 bytes
First seen:2022-03-24 21:08:06 UTC
Last seen:2022-03-27 00:26:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (119 x Formbook, 51 x Loki, 46 x RemcosRAT)
ssdeep 98304:52NBK/xafUdOXhsemQTJSDVnAjKU4trvh9L9mxSSKKE:KU48cXhsehTEVnPBo/E
Threatray 4'646 similar samples on MalwareBazaar
TLSH T1251633157D2380B6C51039F2F881F23709F56EAAC41C93AEA1057B072BFE93656CD66A
File icon (PE):PE icon
dhash icon 71f0e2d296b2f071 (1 x Formbook)
Reporter @JaffaCakes118
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
217
Origin country :
GB GB
Mail intelligence
No data
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Eset32.exe
Verdict:
Malicious activity
Analysis date:
2022-03-24 21:07:56 UTC
Tags:
evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Creating a process from a recently created file
Searching for the window
Launching a process
Running batch commands
Using the Windows Management Instrumentation requests
–°reating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a window
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
control.exe overlay packed shell32.dll
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potential dropper URLs found in powershell memory
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 596584 Sample: Eset32.exe Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 88 Antivirus / Scanner detection for submitted sample 2->88 90 Multi AV Scanner detection for submitted file 2->90 92 Yara detected Xmrig cryptocurrency miner 2->92 94 7 other signatures 2->94 10 Eset32.exe 9 2->10         started        13 System.exe 2->13         started        process3 file4 70 C:\Users\user\AppData\Roaming\12.exe, PE32+ 10->70 dropped 72 C:\Users\user\AppData\Roaming\1.exe, PE32 10->72 dropped 16 12.exe 5 10->16         started        20 1.exe 1 10->20         started        112 Multi AV Scanner detection for dropped file 13->112 114 Machine Learning detection for dropped file 13->114 22 cmd.exe 13->22         started        signatures5 process6 file7 66 C:\Users\user\AppData\Roaming\...\System.exe, PE32+ 16->66 dropped 76 Multi AV Scanner detection for dropped file 16->76 78 Machine Learning detection for dropped file 16->78 24 cmd.exe 16->24         started        26 cmd.exe 1 16->26         started        29 cmd.exe 16->29         started        80 Writes to foreign memory regions 20->80 82 Allocates memory in foreign processes 20->82 84 Injects a PE file into a foreign processes 20->84 31 AppLaunch.exe 15 3 20->31         started        34 conhost.exe 20->34         started        86 Encrypted powershell cmdline option found 22->86 36 conhost.exe 22->36         started        38 powershell.exe 22->38         started        signatures8 process9 dnsIp10 40 System.exe 24->40         started        43 conhost.exe 24->43         started        104 Encrypted powershell cmdline option found 26->104 106 Uses schtasks.exe or at.exe to add and modify task schedules 26->106 45 powershell.exe 22 26->45         started        47 powershell.exe 18 26->47         started        49 conhost.exe 26->49         started        51 conhost.exe 29->51         started        53 schtasks.exe 29->53         started        74 ip-api.com 208.95.112.1, 49773, 80 TUT-ASUS United States 31->74 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->108 110 May check the online IP address of the machine 31->110 signatures11 process12 file13 68 C:\Users\user\AppData\...\sihost64.exe, PE32+ 40->68 dropped 55 sihost64.exe 40->55         started        58 cmd.exe 40->58         started        process14 signatures15 96 Antivirus detection for dropped file 55->96 98 Multi AV Scanner detection for dropped file 55->98 100 Machine Learning detection for dropped file 55->100 102 Encrypted powershell cmdline option found 58->102 60 conhost.exe 58->60         started        62 powershell.exe 58->62         started        64 powershell.exe 58->64         started        process16
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-03-24 03:30:11 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
23 of 26 (88.46%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
698e4beeba26363e632cbbb833fc8000cf85ab5449627bf0edc8203f05a64fa1
MD5 hash:
11bbdf80d756b3a877af483195c60619
SHA1 hash:
99aca4f325d559487abc51b0d2ebd4dca62c9462
SH256 hash:
9f21520bf09ad9bc6195cb6736075174393d33ae1a50d0e36147a82e9f92a779
MD5 hash:
336853a1a13a222ac329cdae23eae8a0
SHA1 hash:
51ef7d6ec2434f2393fc8ef7edb9a5f7f42fb694
SH256 hash:
0bfe9519fbab21338b301ddfbcfefa5477889f9e81ba607859086d4fb26dca85
MD5 hash:
5859441a613b43928004956fc7488741
SHA1 hash:
0cc8ad0132e1fcec430238e78a416b423301c874
SH256 hash:
5b35297b640271fea6e846f28d07852589f60ab88ee597c0e2eea68a5de3bec9
MD5 hash:
b405bf6533c047b1a47ceced3b42c23b
SHA1 hash:
bbb321d380c3f9d17e49a9f2167234742e292e4d

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:extracted_at_0x44b
Author:cb
Description:sample - file extracted_at_0x44b.exe
Reference:Internal Research
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 5b35297b640271fea6e846f28d07852589f60ab88ee597c0e2eea68a5de3bec9

(this sample)

  
Delivery method
Distributed via web download

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