MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e
SHA3-384 hash: fc6060ff5dfe5e1fc508780fc75d58c3d0dc5c5f6270b462f76143a3f61afc720df457770d6483b116ada991c0d8a35e
SHA1 hash: 315a3c3daf9da89cc8993c85302d0d284f1503ea
MD5 hash: dd1fe024a94e2a33b1faa7b03d1c1988
humanhash: twelve-blossom-charlie-maryland
File name:Ödeme.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:617'472 bytes
First seen:2024-11-13 13:58:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:YMyCmE+jjMD0fp77MHyT+XnI2aOkqQr8XSqN714ITNV1oDJIxU:YMyPjMIfxMkgI/1qW8DvBoDmx
TLSH T1F4D40194A665EB72C9AA5BF90170E77A03B69D8DE420C3139FEDECE33902B097514353
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter Racco42
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
406
Origin country :
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67351a880552fd58596bb96d
Tags:
trojan virus gates
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/717710e6-0621-47ba-a66b-6acb2f21807d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1555177
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1555177 Sample: #U00d6deme.exe Startdate: 13/11/2024 Architecture: WINDOWS Score: 100 37 www.okue-least.xyz 2->37 39 www.espond-sspb.xyz 2->39 41 10 other IPs or domains 2->41 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 51 9 other signatures 2->51 11 #U00d6deme.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 39->49 process4 file5 35 C:\Users\user\AppData\...\#U00d6deme.exe.log, ASCII 11->35 dropped 53 Adds a directory exclusion to Windows Defender 11->53 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 59 Switches to a custom stack to bypass stack traces 11->59 15 #U00d6deme.exe 11->15         started        18 powershell.exe 23 11->18         started        20 #U00d6deme.exe 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 77 2 other signatures 15->77 22 explorer.exe 84 1 15->22 injected 75 Loading BitLocker PowerShell Module 18->75 24 WmiPrvSE.exe 18->24         started        26 conhost.exe 18->26         started        process9 process10 28 WWAHost.exe 22->28         started        signatures11 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 65 Tries to detect virtualization through RDTSC time measurements 28->65 67 Switches to a custom stack to bypass stack traces 28->67 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-11-13 10:17:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kga5pahdpgchxthsfzomkwy33324hefxrajpwvk7w2hqijaa7u7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m17o discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/241113-rad2xashpf/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ecda00b2-e4c2-4049-9019-2580076e3081
Unpacked files
SH256 hash:
1e6b371a6c3007649f5ba0b58c7ab07ca313e920f713c864aabb181e11e01e51
MD5 hash:
014149120200b139d1df57b176abc6ea
SHA1 hash:
e22cfaa1f4ff8f1b346024c14ebd0a22237a808c
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/1b0ca73a-5613-4205-af4d-c410c8d9bb6a/
Parent samples :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 hash:
44628ffb6a90ef5b7ba68bebd3d632386a65399aa752116997dd849df4f42d37
MD5 hash:
68f69e66f277e7b2a9824abd3054dc7f
SHA1 hash:
6f09980af4e3f222e23976fdb0d1789086547dc6
Link:
https://www.unpac.me/results/1b0ca73a-5613-4205-af4d-c410c8d9bb6a/
SH256 hash:
c663f56a64190ddd184cecf4242be140dd83fa82560df5120cfe55144c7c79f2
MD5 hash:
bbdb407b486fa9a85c134452bdba9ea2
SHA1 hash:
85089d951d507ae38cd28984bfa5c261bbbd71e3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/1b0ca73a-5613-4205-af4d-c410c8d9bb6a/
SH256 hash:
649d2c4efaf5c2b29c0593d20937269f10846154095714abc45cc2636b5f6b85
MD5 hash:
91afa6193dbe35d59c3c9d3b478ae493
SHA1 hash:
239a7ee81783a40fe07227204d353f6be36a887c
Link:
https://www.unpac.me/results/1b0ca73a-5613-4205-af4d-c410c8d9bb6a/
SH256 hash:
5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e
MD5 hash:
dd1fe024a94e2a33b1faa7b03d1c1988
SHA1 hash:
315a3c3daf9da89cc8993c85302d0d284f1503ea
Link:
https://www.unpac.me/results/1b0ca73a-5613-4205-af4d-c410c8d9bb6a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5181d780e379/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e

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:NET
Create hunting rule
Author:malware-lu
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 5181d780e379847bccf22e5cc55b1bdef5c390b78812fb555fb68f042400fd3e

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments