MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 434877dacffb08580c061bdf1a16b2549eab40d01e4c8fc268d1831b59828799. 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 3 File information Comments

SHA256 hash: 434877dacffb08580c061bdf1a16b2549eab40d01e4c8fc268d1831b59828799
SHA3-384 hash: 81a29370e26a6042df7cea6835df78b6bf1929bddcb0a2446e096134d66a74873630759d0e1e4f26ca59707eb8a15205
SHA1 hash: d5d078115da3b58b296fbb7e7b73a8d711c98647
MD5 hash: 72a30e14a4c8b74de9f5e875cd9a4f79
humanhash: seven-ceiling-robert-two
File name:RFQ MT1000 FOB.exe
Download: download sample
Signature Formbook
File size:942'080 bytes
First seen:2022-09-12 14:16:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Bx183Usd3wl4MZwOIvRrCHOpUR9oKhg0XS5gTU6JoAijNiyUAtkqm:BQd3wCMZwPvB2eKi0CGQLjNi4t3m
Threatray 16'128 similar samples on MalwareBazaar
TLSH T14E152B0721D50DA5C17250BC24CCC5B74B6A9E45E63BC946BFC9BDAFF1B2F2846D22A0
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)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
435
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ MT1000 FOB.exe
Verdict:
Malicious activity
Analysis date:
2022-09-12 14:21:01 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
Searching for the window
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:
Suspicious
Threat level:
  5/10
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
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 signatures2 2 Behavior Graph ID: 701434 Sample: RFQ MT1000 FOB.exe Startdate: 12/09/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 12 other signatures 2->56 10 RFQ MT1000 FOB.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\UeQHmE.exe, PE32 10->38 dropped 40 C:\Users\user\...\UeQHmE.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp7A3C.tmp, XML 10->42 dropped 44 C:\Users\user\...\RFQ MT1000 FOB.exe.log, ASCII 10->44 dropped 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 14 RFQ MT1000 FOB.exe 10->14         started        17 powershell.exe 21 10->17         started        19 schtasks.exe 1 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process8 dnsIp9 46 stop-dog-diarrhea.site 64.190.62.22, 49740, 80 NBS11696US United States 23->46 48 www.stop-dog-diarrhea.site 23->48 58 System process connects to network (likely due to code injection or exploit) 23->58 31 raserver.exe 23->31         started        signatures10 process11 signatures12 72 Modifies the context of a thread in another process (thread injection) 31->72 74 Maps a DLL or memory area into another process 31->74 76 Tries to detect virtualization through RDTSC time measurements 31->76 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-12 05:09:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:t39h rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies registry class
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
Unpacked files
SH256 hash:
c20ae73306e10f2e0cb2515eb81f8001ea483060b32764bd645434be150fcb73
MD5 hash:
bdd746043f1fe1df6bfb0b1e708d2032
SHA1 hash:
87dbbbdfbc85f0dd16e5330e05bd5e77fd9a5672
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
SH256 hash:
84e5c56ee5a2d6249dd93b01d78002be2946539bbf1f8ed4f69678d024d4d550
MD5 hash:
1249680c220a77a5a5cdfa546461cc6e
SHA1 hash:
52feb892c01dc3545e40f033054c853d7894fdd7
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
f619fa6ddef895a0a859419f82af2ce2b59c49fdee97c78f3853c283e36c817b
MD5 hash:
8f68c7eb882b57d3d99db47fda831229
SHA1 hash:
1cd72533dfae2e6d0cd3067ea28829a6daca3e95
SH256 hash:
434877dacffb08580c061bdf1a16b2549eab40d01e4c8fc268d1831b59828799
MD5 hash:
72a30e14a4c8b74de9f5e875cd9a4f79
SHA1 hash:
d5d078115da3b58b296fbb7e7b73a8d711c98647
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: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.

  
Delivery method
Other

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