MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c94cfe8d1abb19cac8d63d9b2d45cc311f04fb02f87a8fc3bde8646970a74fef. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: c94cfe8d1abb19cac8d63d9b2d45cc311f04fb02f87a8fc3bde8646970a74fef
SHA3-384 hash: f579c2d9f5bd770dfb39f39e3ce356c6bee507f0c2c82915869c949339bd337f316034fd53af2ce5a36b518028422947
SHA1 hash: 23d28270200bab614bc6aba41533e39514246663
MD5 hash: 14b98a2fc9474985e09cc5ad3682466a
humanhash: mars-crazy-connecticut-dakota
File name:SİPARİŞİ 190123.exe
Download: download sample
Signature Formbook
File size:345'558 bytes
First seen:2023-01-19 10:40:51 UTC
Last seen:2023-01-19 13:13:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:yYa6YV53q62CUylSzKMRgaxapozXMAICGYsit/5/He1r6i:yYmX3q62C2KXmapooCGY3t/5mN
TLSH T1A174E1242064D0A5DDE4817098E69DBF6269BE11583C7CEE6F897FBE2D34B12D60BF10
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 007868f2f2e8c8d0 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
203
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SİPARİŞİ 190123.exe
Verdict:
Malicious activity
Analysis date:
2023-01-19 10:41:35 UTC
Tags:
formbook xloader trojan stealer

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

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 787275 Sample: S#U0130PAR#U0130#U015e#U013... Startdate: 19/01/2023 Architecture: WINDOWS Score: 100 36 www.le-mixeur.com 2->36 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 4 other signatures 2->58 12 S#U0130PAR#U0130#U015e#U0130 190123.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\hrnwydr.exe, PE32 12->34 dropped 15 hrnwydr.exe 1 12->15         started        process6 signatures7 68 Detected unpacking (changes PE section rights) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 74 Contains functionality to detect sleep reduction / modifications 15->74 18 hrnwydr.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 23 explorer.exe 2 1 18->23 injected process10 dnsIp11 38 www.badibeizlis.ch 202.61.232.163, 49700, 80 TH-AS-APTianhaiInfoTechCN Australia 23->38 40 arivuthirukovil.online 194.163.143.36, 49697, 80 NEXINTO-DE Germany 23->40 42 10 other IPs or domains 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 27 rundll32.exe 23->27         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2023-01-19 10:25:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:vy03 rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ec44e49f461b4398604da994e97161e2be7f530aa7ed9c6d1a8dc62f3a2e9356
MD5 hash:
9d95e5504723c697e86e7d68be611843
SHA1 hash:
2e7d26a93bfc1967c867147ad7863c0f3e65e0b8
SH256 hash:
c94cfe8d1abb19cac8d63d9b2d45cc311f04fb02f87a8fc3bde8646970a74fef
MD5 hash:
14b98a2fc9474985e09cc5ad3682466a
SHA1 hash:
23d28270200bab614bc6aba41533e39514246663
Please note that we are no longer able to provide a coverage score for Virus Total.

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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe c94cfe8d1abb19cac8d63d9b2d45cc311f04fb02f87a8fc3bde8646970a74fef

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments