MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 794ff32dcb5a26819bea2fa85f82ee36dae53a5d6a6d2e42790801bfb018cda7. 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 2 File information Comments

SHA256 hash: 794ff32dcb5a26819bea2fa85f82ee36dae53a5d6a6d2e42790801bfb018cda7
SHA3-384 hash: 2013acc3486ce1133339c77a18d14ee8523fc9bf9cbf46ca62a6b9d0d18781f16f22033c8feb1fffba67b597c27a43bb
SHA1 hash: 47705b3f884be98a207e4d7695d181caa792efc5
MD5 hash: 6e3c68a999fe77fd8b4f7ed169a5f91b
humanhash: thirteen-whiskey-diet-august
File name:RFQ 128.exe
Download: download sample
Signature Formbook
File size:770'048 bytes
First seen:2022-11-18 04:52:57 UTC
Last seen:2022-11-18 06:36:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:qGnUVlcvZoS0mV4GITR3sNb2mEp6AVFc1xHhgcpCYrNt:qGyRS0muGIV8HEdFOCICQ
Threatray 18'841 similar samples on MalwareBazaar
TLSH T157F42A297ABCF812EE7B65B70EFBAA4BCC305D42125991070E2937DDE9358763C4D10A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon cc931131849181a6 (2 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ 128.exe
Verdict:
Malicious activity
Analysis date:
2022-11-18 04:56:06 UTC
Tags:
formbook trojan stealer

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
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 749008 Sample: RFQ 128.exe Startdate: 18/11/2022 Architecture: WINDOWS Score: 100 63 www.ryan50salas.online 2->63 65 ryan50salas.online 2->65 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 Sigma detected: Scheduled temp file as task from temp location 2->81 83 11 other signatures 2->83 11 RFQ 128.exe 7 2->11         started        15 ufSdJcw.exe 5 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\ufSdJcw.exe, PE32 11->51 dropped 53 C:\Users\user\...\ufSdJcw.exe:Zone.Identifier, ASCII 11->53 dropped 55 C:\Users\user\AppData\Local\...\tmpDDB3.tmp, XML 11->55 dropped 57 C:\Users\user\AppData\...\RFQ 128.exe.log, ASCII 11->57 dropped 91 Adds a directory exclusion to Windows Defender 11->91 93 Injects a PE file into a foreign processes 11->93 17 RFQ 128.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        95 Multi AV Scanner detection for dropped file 15->95 97 Machine Learning detection for dropped file 15->97 99 Tries to detect virtualization through RDTSC time measurements 15->99 24 ufSdJcw.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 ufSdJcw.exe 15->28         started        30 2 other processes 15->30 signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 73 Queues an APC in another process (thread injection) 17->73 32 explorer.exe 17->32 injected 36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 26->40         started        process9 dnsIp10 59 xn--nadinebyond-hbb.world 15.197.142.173, 49719, 80 TANDEMUS United States 32->59 61 www.xn--nadinebyond-hbb.world 32->61 75 System process connects to network (likely due to code injection or exploit) 32->75 42 cmstp.exe 32->42         started        45 chkdsk.exe 32->45         started        signatures11 process12 signatures13 85 Modifies the context of a thread in another process (thread injection) 42->85 87 Maps a DLL or memory area into another process 42->87 89 Tries to detect virtualization through RDTSC time measurements 42->89 47 cmd.exe 1 42->47         started        process14 process15 49 conhost.exe 47->49         started       
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-11-16 12:42:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 40 (65.00%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ci07 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
96cb5d74719eeabdc213e94a021ee18fc962230609353f9fc5a312e64e9c8bfe
MD5 hash:
222dd73352bf9fbdc52fdcfe31e90e56
SHA1 hash:
e04aa21119301479932a1c42fb587d3466ce8ff4
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
e0604b3ff0128d53d47778f041967baf47962dab254ec10548864079c0637213
MD5 hash:
c8c8c9562b3168a52ceecf2a5039e9e2
SHA1 hash:
03b781cc33d54c46b0152cd43c9b3f23b3631cca
SH256 hash:
794ff32dcb5a26819bea2fa85f82ee36dae53a5d6a6d2e42790801bfb018cda7
MD5 hash:
6e3c68a999fe77fd8b4f7ed169a5f91b
SHA1 hash:
47705b3f884be98a207e4d7695d181caa792efc5
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 794ff32dcb5a26819bea2fa85f82ee36dae53a5d6a6d2e42790801bfb018cda7

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments