MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments

SHA256 hash: b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
SHA3-384 hash: 43a81ffdea7c40842313dbfbcd1364d784795931f9c5d08e942715ebb38b7e15fd7cc297752da2acdc61514d7e07e975
SHA1 hash: 5bd15035cb0c90346112c1ceaa51ae3c1f7cb7af
MD5 hash: 32a789f533962a3b74537fe4648944ef
humanhash: hotel-april-london-seventeen
File name:Swift TT Copy.exe
Download: download sample
Signature Formbook
File size:311'082 bytes
First seen:2023-10-06 06:16:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 6144:pXFKo5lGhoBRQXvUv2K34mJgBNJGuOwIu/taVBrEFCfp9rJXoV6UzOLz3VcX+:pXRGhSv2OIP+w3/4VyopIc3LCX+
Threatray 24 similar samples on MalwareBazaar
TLSH T11C64122982F4D87BC1E89E30297BCE7765B3641A24EC570F8705671F7C26A44CA0E3E6
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook payment

Intelligence


File Origin
# of uploads :
1
# of downloads :
295
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
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 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 lolbin overlay packed remcos shell32 threat virus
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
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 domain / URL
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: 1320732 Sample: Swift_TT_Copy.exe Startdate: 06/10/2023 Architecture: WINDOWS Score: 100 34 www.zachmahl.com 2->34 36 www.yoywvfw.top 2->36 38 14 other IPs or domains 2->38 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 9 other signatures 2->60 12 Swift_TT_Copy.exe 17 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\yplqoz.exe, PE32 12->32 dropped 15 yplqoz.exe 12->15         started        process6 signatures7 70 Multi AV Scanner detection for dropped file 15->70 72 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Tries to detect virtualization through RDTSC time measurements 15->76 18 yplqoz.exe 15->18         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 explorer.exe 39 1 18->21 injected process10 dnsIp11 40 hawskio26.click 172.96.186.176, 49692, 80 SINGLEHOP-LLCUS Canada 21->40 42 www.yoywvfw.top 154.195.84.121, 49699, 80 PEGTECHINCUS Seychelles 21->42 44 5 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 25 cmd.exe 12 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-10-05 22:50:40 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sn26 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 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:
8acf4c88e097cfcba3bfa08c24884c446bb943f5a3b5eb610f50db67574de771
MD5 hash:
c7e6dba02c269734255208e86e23fce8
SHA1 hash:
746596f46256c1752b7d101d0dc54d0baa64e29c
SH256 hash:
b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
MD5 hash:
32a789f533962a3b74537fe4648944ef
SHA1 hash:
5bd15035cb0c90346112c1ceaa51ae3c1f7cb7af
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
Author:qux
Description:Detects exe does not have 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.

Malspam

Formbook

Executable exe b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65

(this sample)

  
Delivery method
Other

Comments