MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adc50d637d48a25c809ee9e8ee791830d978d45f6cf781b917b8d88788363311. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: adc50d637d48a25c809ee9e8ee791830d978d45f6cf781b917b8d88788363311
SHA3-384 hash: 92bf94de41ccceb59c3a628d025d63e38ce932d11b89586ab7a62e791679855f11caf31ceca5d178b0b5198757296c1e
SHA1 hash: 4951b10aa7884c2dbe81970f4582bee62e26bf80
MD5 hash: e4225704b5fa15925cf61d47a9564228
humanhash: sodium-nuts-michigan-juliet
File name:P.O #RFQ7787HG00.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'092'608 bytes
First seen:2021-05-24 12:49:53 UTC
Last seen:2021-05-24 13:01:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:NqZYx2bEThqrByxPkmY/yMa/7fVLfHHzKs:dMro4yMa/RLfHes
Threatray 5'345 similar samples on MalwareBazaar
TLSH C735E21CA129A132F468C63905D3702BED18D7736021AD95AAF7075F2F37DC0BB8A5AD
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
P.O #RFQ7787HG00.exe
Verdict:
Malicious activity
Analysis date:
2021-05-24 12:54:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b91b02a2-4ca0-4f62-a805-7b4b1d017d4c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/161436/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.760.9216.1384.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/790337
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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 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 (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 422733 Sample: P.O #RFQ7787HG00.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 39 www.zbssports.com 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 11 P.O #RFQ7787HG00.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\yBCQyomFBXcA.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp64C7.tmp, XML 11->35 dropped 37 C:\Users\user\...\P.O #RFQ7787HG00.exe.log, ASCII 11->37 dropped 63 Writes to foreign memory regions 11->63 65 Allocates memory in foreign processes 11->65 67 Injects a PE file into a foreign processes 11->67 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         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 2 other signatures 15->75 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 www.platitotoronto.com 103.224.212.230, 49751, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 20->41 43 www.pixelkuss.com 156.231.117.99, 80 PEGTECHINCUS Seychelles 20->43 45 15 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 raserver.exe 20->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/adc50d637d48a25c809ee9e8ee791830d978d45f6cf781b917b8d88788363311/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-05-24 05:20:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
24 of 47 (51.06%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vxcq2y35jcrfzae65huo46iygdmxrvc7nt3ydoixxdmipcbwgmiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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9435bf4ae05e98f0e1b3fc55188dba5d50ac937cef36d69112776e39b8584ce4
Formbook
ddaa3b6f19f3e7b9a6e8ebe8188ceea0d1bb0c285a0b2d783c8d0cc7005e37a6
Formbook
f2a1b48f82208d3d1bf4e613fd7c6a16f63c96ebb2c31ed502ec67cb6768b2f6
Formbook
fad8f6a07c20b0594611901f079ab4ad87c3c0a3ff5e776eee1f86b4b56abd4c
Formbook
+ 5'335 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210524-z9zmxjrers/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ursulaaubri.com/s5cm/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/adc50d637d48a25c809ee9e8ee791830d978d45f6cf781b917b8d88788363311

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
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Rule name:Skystars_Malware_Imphash
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/161436/

Comments