MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc2bf8fa7ad46bda0ad6d97117f3f327b47554c43dd789dd39cc654f5c4dd1af. 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: 18


Intelligence 18 IOCs YARA 17 File information Comments 1

SHA256 hash: fc2bf8fa7ad46bda0ad6d97117f3f327b47554c43dd789dd39cc654f5c4dd1af
SHA3-384 hash: 3244618acc63d2d0c317dde8530819e05574457762d62f33fab4f2bcde3a69f72476a4536661a3e2bfc0fe93b9aa4791
SHA1 hash: bf05114952a6197e958be346f6f97775d233b3a6
MD5 hash: 700c89b3ad0ec90ea16651ac6f3a63b8
humanhash: skylark-fillet-violet-pizza
File name:700c89b3ad0ec90ea16651ac6f3a63b8
Download: download sample
Signature Formbook
File size:398'850 bytes
First seen:2023-11-06 09:32:33 UTC
Last seen:2023-11-06 11:17:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:U8LxBCXMMC5UD8esHaRnlacOj1M0+yr2m/cO1YKFSobjA1jREICZg8dxq:urC5FB6DMr2aSKFw1jRJROg
Threatray 227 similar samples on MalwareBazaar
TLSH T1CF84232639E0D87BC8A52FB08E329BBAF3791E99D5013A834F546F3B3DB41839C21554
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 78f9b898b8c2c940 (16 x Formbook, 15 x AgentTesla, 2 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
332
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
New order 98987006305#.doc
Verdict:
Malicious activity
Analysis date:
2023-11-06 09:16:31 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
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, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1337526 Sample: h7oWlIDrKb.exe Startdate: 06/11/2023 Architecture: WINDOWS Score: 100 36 www.shoplittlezenone.shop 2->36 38 www.lineyours.com 2->38 40 4 other IPs or domains 2->40 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 8 other signatures 2->62 12 h7oWlIDrKb.exe 17 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\cmjnpb.exe, PE32 12->34 dropped 15 cmjnpb.exe 1 12->15         started        process6 signatures7 72 Maps a DLL or memory area into another process 15->72 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 cmjnpb.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 23 explorer.exe 3 1 18->23 injected process10 dnsIp11 42 dosfronterastx.com 104.130.169.74, 49714, 80 RACKSPACEUS United States 23->42 44 hearing-aid-new.click 64.190.62.22, 49710, 80 NBS11696US United States 23->44 46 www.shoplittlezenone.shop 104.21.11.75, 49715, 80 CLOUDFLARENETUS United States 23->46 64 System process connects to network (likely due to code injection or exploit) 23->64 27 raserver.exe 23->27         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 27->66 68 Maps a DLL or memory area into another process 27->68 70 Tries to detect virtualization through RDTSC time measurements 27->70 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-11-06 09:33:04 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ju29 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
fc2bf8fa7ad46bda0ad6d97117f3f327b47554c43dd789dd39cc654f5c4dd1af
MD5 hash:
700c89b3ad0ec90ea16651ac6f3a63b8
SHA1 hash:
bf05114952a6197e958be346f6f97775d233b3a6
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Web download

Formbook

Executable exe fc2bf8fa7ad46bda0ad6d97117f3f327b47554c43dd789dd39cc654f5c4dd1af

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-06 09:32:34 UTC

url : hxxp://mail.treeoflifeadventures.com/wp-content/plugins/70d5e28f51c1438d94e3e6dc84b95311/xt/mmd/shell/jucostam2.1.exe