MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 347fc805a4e64d0e7418dff453ab17c3f76bb0809ef0cfd4b1866d13d494a935. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1

SHA256 hash: 347fc805a4e64d0e7418dff453ab17c3f76bb0809ef0cfd4b1866d13d494a935
SHA3-384 hash: 954178e6a144566f5ce646157fc6060d2a6e5afe174357c343ae976c90ccf0fa49d987489f59716e34da600d7562444d
SHA1 hash: 81e9f176085cc920ca18cf043800c4b0ec38de30
MD5 hash: efac1cd161932cca9ed94b0a1b3671f0
humanhash: may-johnny-tango-muppet
File name:efac1cd161932cca9ed94b0a1b3671f0
Download: download sample
Signature Formbook
File size:924'160 bytes
First seen:2022-04-28 12:33:17 UTC
Last seen:2022-04-28 13:39:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:/QhrFShjvXIH4IjljY2Hja0cRBp6CtA40i1dvvGo2:ohJShjwH4X2Hja0cXpXtT0ivY
Threatray 12'566 similar samples on MalwareBazaar
TLSH T12615F10AFA59CAF2D5385E73FED3500C17636DE5AA02C64B6AC3F2050A323A60D94777
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 f3fbfbfbdbdbdbdb (6 x AgentTesla, 3 x Formbook, 2 x NanoCore)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Result
Verdict:
UNKNOWN
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
Found malware configuration
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)
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
Self deletion via cmd delete
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic
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: 617334 Sample: BBAlQHdz8d Startdate: 28/04/2022 Architecture: WINDOWS Score: 100 45 www.affordablebathroomsbyfrank.net 2->45 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 12 other signatures 2->53 11 BBAlQHdz8d.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\KjQBANTiYrE.exe, PE32 11->37 dropped 39 C:\Users\...\KjQBANTiYrE.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpFBBA.tmp, XML 11->41 dropped 43 C:\Users\user\AppData\...\BBAlQHdz8d.exe.log, ASCII 11->43 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 11->55 57 Adds a directory exclusion to Windows Defender 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 BBAlQHdz8d.exe 11->15         started        18 powershell.exe 23 11->18         started        20 schtasks.exe 1 11->20         started        22 BBAlQHdz8d.exe 11->22         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 24 explorer.exe 15->24 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 process10 30 msdt.exe 24->30         started        signatures11 61 Self deletion via cmd delete 30->61 63 Modifies the context of a thread in another process (thread injection) 30->63 65 Maps a DLL or memory area into another process 30->65 67 Tries to detect virtualization through RDTSC time measurements 30->67 33 cmd.exe 1 30->33         started        process12 process13 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-28 11:34:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:r87g loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
15da30a400d655327fc4f4371b1bc76c87cde05f54d1cd76110f6bf9bde96e35
MD5 hash:
5bab4e938fdbaef4c85f2d1cf9b2d335
SHA1 hash:
b0fa511944565402395c9705ccadada9d630b77e
SH256 hash:
d881891cbdaac1ec4f15b16968f1fb1092200a509f1d597f7a42221480678462
MD5 hash:
e56476d1145fa8f7cea1e14675c7ef40
SHA1 hash:
b4361e2e42579491d687650384997cbc73bdb232
SH256 hash:
92fc621e886ad486195efe1b074a5186c27599e3dd4d71c72cae3078b8660ae2
MD5 hash:
e80503550a2aa077f62f09c7dc6be7e4
SHA1 hash:
f93e86c149eac50b611a1f9a7b59f5d81026262c
SH256 hash:
347fc805a4e64d0e7418dff453ab17c3f76bb0809ef0cfd4b1866d13d494a935
MD5 hash:
efac1cd161932cca9ed94b0a1b3671f0
SHA1 hash:
81e9f176085cc920ca18cf043800c4b0ec38de30
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.

Web download

Formbook

Executable exe 347fc805a4e64d0e7418dff453ab17c3f76bb0809ef0cfd4b1866d13d494a935

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-28 12:33:20 UTC

url : hxxp://107.175.212.5/220/vbc.exe