MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3555e18e5182e9c980e5b1f2d5fae9a656bacd57efc27b1cfaa09308b552c7b. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments 1

SHA256 hash: e3555e18e5182e9c980e5b1f2d5fae9a656bacd57efc27b1cfaa09308b552c7b
SHA3-384 hash: 41c884eba06e0fd6dd9cb3e7c83b2206d45607f0f575b5ee021f7f7db7f3a2e3bd36273df73c7e32f44de0990805784a
SHA1 hash: 5f0385a4b1435ec3cf8ef45472fe9692b403cfa0
MD5 hash: 3d6fe881737854a9dc8a7f4a79306f9f
humanhash: salami-mountain-india-stream
File name:3d6fe881737854a9dc8a7f4a79306f9f
Download: download sample
Signature Formbook
File size:556'101 bytes
First seen:2023-11-08 05:57:28 UTC
Last seen:2023-11-08 07:22:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:x8LxBFSsVAUzGvvnN+EYKXgQnd1G4/aGRmZX7SaS9xabxcD2nXA6RTmnvuS3nTxm:kAUzG3AEpLnd1GAFA7SFEacA6ZmnBNm
TLSH T16BC4CFE33620A5BDD55946B3C143CEDA6774FA7187C0120A30B8BA3F19722C6D61BDD6
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 c0e0fcfcfcf0f808 (3 x Formbook, 1 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
400
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
e3555e18e5182e9c980e5b1f2d5fae9a656bacd57efc27b1cfaa09308b552c7b(1).zip
Verdict:
Malicious activity
Analysis date:
2023-11-08 07:16:58 UTC
Tags:
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
Searching for the window
Launching cmd.exe command interpreter
Сreating synchronization primitives
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
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:
Likely Malicious
Threat level:
  7.5/10
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
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: 1338780 Sample: x8TRXHYzP6.exe Startdate: 08/11/2023 Architecture: WINDOWS Score: 100 38 www.vallishealth.com 2->38 40 www.thefishermanhouse.com 2->40 42 12 other IPs or domains 2->42 58 Snort IDS alert for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 7 other signatures 2->64 12 x8TRXHYzP6.exe 17 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\sjjnqlvqv.exe, PE32 12->34 dropped 36 C:\Users\user\AppData\Local\...\dmsnbiwcer.ox, DOS 12->36 dropped 15 sjjnqlvqv.exe 1 12->15         started        process6 signatures7 74 Multi AV Scanner detection for dropped file 15->74 76 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Tries to detect virtualization through RDTSC time measurements 15->80 18 sjjnqlvqv.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 18->50 52 Maps a DLL or memory area into another process 18->52 54 Sample uses process hollowing technique 18->54 56 Queues an APC in another process (thread injection) 18->56 23 explorer.exe 8 1 18->23 injected process10 dnsIp11 44 jaliyahsboutique.site 62.72.50.217, 49742, 80 PRTL-DE Germany 23->44 46 www.babytoy-deals.com 196.196.25.96, 49738, 80 JINGYUNEU Seychelles 23->46 48 5 other IPs or domains 23->48 66 System process connects to network (likely due to code injection or exploit) 23->66 27 rundll32.exe 23->27         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 27->68 70 Maps a DLL or memory area into another process 27->70 72 Tries to detect virtualization through RDTSC time measurements 27->72 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2023-11-07 19:00:18 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:tb8i 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:
e3555e18e5182e9c980e5b1f2d5fae9a656bacd57efc27b1cfaa09308b552c7b
MD5 hash:
3d6fe881737854a9dc8a7f4a79306f9f
SHA1 hash:
5f0385a4b1435ec3cf8ef45472fe9692b403cfa0
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: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

File information


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

Web download

Formbook

Executable exe e3555e18e5182e9c980e5b1f2d5fae9a656bacd57efc27b1cfaa09308b552c7b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-08 05:57:29 UTC

url : hxxps://swamini.in/wp-content/uploads/wpr-addons/forms/macroniska2.1.exe