MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8738509150857d74d2b7ce825078911b7c08e878269d5f870dd59131f0d7ec9a. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8738509150857d74d2b7ce825078911b7c08e878269d5f870dd59131f0d7ec9a
SHA3-384 hash: 51bf8e3cd6826f16d0c3f8a9ee7231739b4a073358910eec2e70bd37a1d0a48803f8480f71eaf62913b7dba3d476fe0d
SHA1 hash: f6347a1214eb26b2f568530bd2e0dd61faa4c2cc
MD5 hash: 82fb573960a446456958c778300d50fd
humanhash: ohio-minnesota-may-cold
File name:SecuriteInfo.com.Variant.Tedy.171259.18753.21520
Download: download sample
Signature Formbook
Create hunting rule
File size:898'048 bytes
First seen:2022-07-21 05:35:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xMLh2CBosh7jqE+R7j+VGRoEfGUipbOMtE0+PpYsi/IyGtpp0evrkrzv:xMLhYs5uXhKh0ipSMEPw/pG5DTkrz
TLSH T110157BE2D64058D4F86B66B85A776D37016BFFBDA868510D645DB132AFB33832032D0B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0e39356664063349 (4 x SnakeKeylogger, 1 x AgentTesla, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293058/
Detection(s):
SecuriteInfo.com.Variant.Tedy.171259.18753.21520.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d8e5c761945a46c8d7cd89/reports/6e5849d2-be50-484f-b574-21806ee4b291/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f266f06-544c-44b9-a598-9b0d5ff1c4e8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038354
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 670848 Sample: SecuriteInfo.com.Variant.Te... Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 5 other signatures 2->67 10 SecuriteInfo.com.Variant.Tedy.171259.18753.exe 1 5 2->10         started        process3 file4 49 C:\Users\user\AppData\Roaming\...\Jnheqhc.exe, PE32 10->49 dropped 51 C:\Users\user\...\Jnheqhc.exe:Zone.Identifier, ASCII 10->51 dropped 53 SecuriteInfo.com.V...71259.18753.exe.log, ASCII 10->53 dropped 85 Encrypted powershell cmdline option found 10->85 87 Writes to foreign memory regions 10->87 89 Allocates memory in foreign processes 10->89 91 Injects a PE file into a foreign processes 10->91 14 MSBuild.exe 10->14         started        17 powershell.exe 15 10->17         started        signatures5 process6 signatures7 93 Modifies the context of a thread in another process (thread injection) 14->93 95 Maps a DLL or memory area into another process 14->95 97 Sample uses process hollowing technique 14->97 99 2 other signatures 14->99 19 explorer.exe 14->19 injected 21 conhost.exe 17->21         started        process8 process9 23 Jnheqhc.exe 2 19->23         started        26 Jnheqhc.exe 1 19->26         started        28 cmstp.exe 19->28         started        30 2 other processes 19->30 signatures10 69 Antivirus detection for dropped file 23->69 71 Multi AV Scanner detection for dropped file 23->71 73 Machine Learning detection for dropped file 23->73 75 Injects a PE file into a foreign processes 23->75 32 MSBuild.exe 23->32         started        35 powershell.exe 14 23->35         started        77 Encrypted powershell cmdline option found 26->77 79 Writes to foreign memory regions 26->79 81 Allocates memory in foreign processes 26->81 37 MSBuild.exe 26->37         started        39 powershell.exe 14 26->39         started        83 Tries to detect virtualization through RDTSC time measurements 28->83 41 cmd.exe 28->41         started        process11 signatures12 43 conhost.exe 35->43         started        55 Modifies the context of a thread in another process (thread injection) 37->55 57 Maps a DLL or memory area into another process 37->57 59 Sample uses process hollowing technique 37->59 45 conhost.exe 39->45         started        47 conhost.exe 41->47         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8738509150857d74d2b7ce825078911b7c08e878269d5f870dd59131f0d7ec9a/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-07-21 02:11:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q44fbekqqv6xjuvxz2bfa6erdn6ar2dye2ov7byn2witd4gx5sna._file
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader loader persistence rat spyware stealer
Link:
https://tria.ge/reports/220721-f9228sdecn/
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader payload
Xloader
Unpacked files
SH256 hash:
f504affa12585b2056010cad2302a6789f7bdbc5d5fb6e0ec5303dd901f0c671
MD5 hash:
f9e53103061516839c207a15e45c5a8b
SHA1 hash:
f3a59a35d63bff36b88d31f69da6f00cf9a57847
Link:
https://www.unpac.me/results/e3e6c86d-f40d-4323-b166-af04292e2e9d/
SH256 hash:
8738509150857d74d2b7ce825078911b7c08e878269d5f870dd59131f0d7ec9a
MD5 hash:
82fb573960a446456958c778300d50fd
SHA1 hash:
f6347a1214eb26b2f568530bd2e0dd61faa4c2cc
Link:
https://www.unpac.me/results/e3e6c86d-f40d-4323-b166-af04292e2e9d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/873850915085/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/8738509150857d74d2b7ce825078911b7c08e878269d5f870dd59131f0d7ec9a

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/293058/

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