MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3de6c37251e8b0145976bd956a5550ccb058e189d52298603e4542c080d5b9f8. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3de6c37251e8b0145976bd956a5550ccb058e189d52298603e4542c080d5b9f8
SHA3-384 hash: ba3f3099ec8cd2acb0b61db778cd931131346471c0134d976697f1db4fceae42a7027e93fedae59e04c01703bfe472b2
SHA1 hash: ced2b1929c58cfb05e9f0f96d1b37eca6aed1498
MD5 hash: e5f9bcc6f9413ce862699b7a52f5249d
humanhash: lemon-one-mobile-victor
File name:Quoten 7902134.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:70'656 bytes
First seen:2022-03-15 10:19:50 UTC
Last seen:2022-03-15 13:29:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:htlTglco5sx5wNZeQuoJqDrQiLnBlVyIlFIUxoZEpeSxp+ml7MwCKt3deVDh6:xTgyoCx+IDj7Bl1toLm0+30VDh6
Threatray 85 similar samples on MalwareBazaar
TLSH T10363290A6A896619C6E87AFC85F1514257767CF22510C24FECF83F295E327A3DDC260E
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
4
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/250685/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.346.27554.5991.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62306858b94fb38cb483a2cc/reports/4227f2cc-316f-41bc-881c-f23cef550910/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ada02ea-4c57-46fd-86a2-5f5e0de1e365
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/956888
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 589369 Sample: Quoten 7902134.exe Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->74 76 8 other signatures 2->76 10 Quoten 7902134.exe 16 7 2->10         started        process3 dnsIp4 58 cdn.discordapp.com 162.159.134.233, 443, 49760 CLOUDFLARENETUS United States 10->58 60 192.168.2.1 unknown unknown 10->60 52 C:\Users\user\AppData\...\Smwznjon.exe, PE32 10->52 dropped 54 C:\Users\...\Smwznjon.exe:Zone.Identifier, ASCII 10->54 dropped 56 C:\Users\user\...\Quoten 7902134.exe.log, ASCII 10->56 dropped 88 Writes to foreign memory regions 10->88 90 Allocates memory in foreign processes 10->90 92 Injects a PE file into a foreign processes 10->92 15 MSBuild.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 94 Modifies the context of a thread in another process (thread injection) 15->94 96 Maps a DLL or memory area into another process 15->96 98 Sample uses process hollowing technique 15->98 100 2 other signatures 15->100 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        process9 process10 26 Smwznjon.exe 14 4 20->26         started        30 help.exe 20->30         started        32 Smwznjon.exe 3 20->32         started        dnsIp11 62 162.159.135.233, 443, 49780 CLOUDFLARENETUS United States 26->62 64 cdn.discordapp.com 26->64 78 Multi AV Scanner detection for dropped file 26->78 80 Machine Learning detection for dropped file 26->80 82 Writes to foreign memory regions 26->82 86 2 other signatures 26->86 34 cmd.exe 1 26->34         started        36 MSBuild.exe 26->36         started        84 Tries to detect virtualization through RDTSC time measurements 30->84 38 cmd.exe 30->38         started        66 162.159.129.233, 443, 49781 CLOUDFLARENETUS United States 32->66 68 cdn.discordapp.com 32->68 40 cmd.exe 1 32->40         started        signatures12 process13 process14 42 conhost.exe 34->42         started        44 timeout.exe 1 34->44         started        46 conhost.exe 38->46         started        48 conhost.exe 40->48         started        50 timeout.exe 40->50         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3de6c37251e8b0145976bd956a5550ccb058e189d52298603e4542c080d5b9f8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-15 09:18:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hxtmg4sr5cybiwlwxwkwuvkqzsyfrymj2urjqyb6ivbmbagvxh4a._file
Verdict:
unknown
Similar samples:
50e47f2ad6a616f1863ea677957a50d2aef65705836eaa4441b3367df8649906
Formbook
6f6585d3df024c6e411a075d856c79cc7a70e5509006e53dcaafeb8fc418fdf8
Formbook
75a25fe05bbcefe44a5965015d178374e74b2d2be3ec2fba5d15cf37dc93df20
Formbook
780aee300d0f8eba4233484b475aa6a0109e40d0bec49d1d7fd4435846ca6608
Formbook
b01331a5470088edce46530556b5c2598397d71552f62794ea0f7501c779c966
Formbook
e5c11575362968051ed9c24b45489c771d7cd7737c9212eb88cf2a46c2215d36
Formbook
e7d6453ebd8aadd5117cfac039d643c7a60a4d67af1425f0eaf7732fa1a8ff03
Formbook
e8096fa93aebba05def7403773671e1a0bc547af4b44cceb2761e6be655b2d43
Formbook
f32313541169b4b774215aed7bf6c06e5823a8441ec1de28a647676bc68c02f2
Formbook
+ 75 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:s9m1 loader persistence rat
Link:
https://tria.ge/reports/220315-mc49naaba3/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
3de6c37251e8b0145976bd956a5550ccb058e189d52298603e4542c080d5b9f8
MD5 hash:
e5f9bcc6f9413ce862699b7a52f5249d
SHA1 hash:
ced2b1929c58cfb05e9f0f96d1b37eca6aed1498
Link:
https://www.unpac.me/results/95540e15-7b87-421e-8fe2-7fe620677af6/
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/3de6c37251e8b0145976bd956a5550ccb058e189d52298603e4542c080d5b9f8

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.

Malspam

Formbook

Executable exe 3de6c37251e8b0145976bd956a5550ccb058e189d52298603e4542c080d5b9f8

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/250685/

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