MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments 1
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SHA256 hash: 6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114
SHA3-384 hash: 305bff300c876acecced1808fbf68738c8b842c9b9493bdfa49c686503b9960d511f3c865b9914c5b3cd93f6757b06d5
SHA1 hash: a64dce6694fc716860a52b367317efc095e46756
MD5 hash: 44a6829e3ee6c5d98fccde99b502f7e2
humanhash: fifteen-idaho-white-earth
File name:44a6829e3ee6c5d98fccde99b502f7e2
Download: download sample
Signature Formbook
Create hunting rule
File size:266'240 bytes
First seen:2022-05-20 05:22:40 UTC
Last seen:2022-05-20 05:50:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:6SkA1Chkup1T3bnAhwg7xXn5CJdQ9o/jZVk85Z76f4ca/+BPWAAzxMyvLdNbQ:WPTUuKp+Q9sj/k859k4D/+B6xbQ
Threatray 12'265 similar samples on MalwareBazaar
TLSH T11A448B71626ADF91D99F3879C9A382F20223EC51DE45D7CF31847E2A393A689F170907
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 232b515173695d41 (14 x Formbook, 14 x AgentTesla, 6 x NanoCore)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
INQUIRY-19052022.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-20 00:54:23 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/1841c959-e8f2-4ce2-a9f9-090abc82c78a

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/272830/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.53321.17092.19927.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Launching cmd.exe command interpreter
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/628725b66eb3ff3263142d55/reports/b8d177ae-9327-4975-9618-86095bba9a0a/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dfcd5ea7-f7da-4d47-9ec2-b58c48536775
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/998258
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 630751 Sample: rNl1OKDDbD Startdate: 20/05/2022 Architecture: WINDOWS Score: 100 36 www.bravesxx.com 2->36 40 Snort IDS alert for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 5 other signatures 2->46 11 rNl1OKDDbD.exe 1 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\rNl1OKDDbD.exe.log, ASCII 11->28 dropped 14 vbc.exe 11->14         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.itt-service.com 156.255.163.232, 49754, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 17->30 32 www.kicktmall.com 107.150.164.185, 49763, 80 SAYFANETTR Turkey 17->32 34 7 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-05-20 03:00:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=noaeleut4hvopd5e56x3zdo24h5sxw3tynoawgea7w3f3afeseka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2e306d4e802c3797837c61dd955ac3d42c7648747a1f44fca0381069815e8e2b
Formbook
61ee0cca6d45766ecfedcfafba7f2e57d8fc2f4ee9b42bce3e7ffe5848c071f9
Formbook
a9f8ff439d6cf51c60a5f9bba3653ea480fa72249562e11d6bc03bda8e672f5d
Formbook
bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247
Formbook
de4f5d7be84c3a10afa75bd2463a7c2958afc54300f88962f8e069d121752796
Formbook
df1510f64189b49ffeb4630c74af81a86888114102b493f52b5ad1c1cb58d121
Formbook
e913d576e64c61f0fd94309e27a65a91f3418aae1914106ad0abc21745098428
Formbook
+ 12'255 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:be4o loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220520-f25hdseegl/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Uses the VBS compiler for execution
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
26621364547ae489757767d291ff309fb3a5d867cf4355e0a735e2221327815f
MD5 hash:
a42f61b100a26cb197f84e9e08680ce8
SHA1 hash:
821c6ea0fd85bd827c86d45541b9cdd7233b2187
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ce3524b2-8ceb-4608-bd9a-c9d7785b1cee/
Parent samples :
fe55fb664c32bacbd76bf8859a8a2cd17f23d21f08a22ac9881cb0fa33935990
6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114
df1b0eef4f32a5c2527691175375962957db71bc913d37f6e71150e599b2b31c
SH256 hash:
6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114
MD5 hash:
44a6829e3ee6c5d98fccde99b502f7e2
SHA1 hash:
a64dce6694fc716860a52b367317efc095e46756
Link:
https://www.unpac.me/results/ce3524b2-8ceb-4608-bd9a-c9d7785b1cee/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b80459293e1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2202483/
  
URLhaus
https://urlhaus.abuse.ch/url/2202845/
  
URLhaus
https://urlhaus.abuse.ch/url/2203488/
Cape
Cape
https://www.capesandbox.com/analysis/272830/

Comments


Avatar
zbet commented on 2022-05-20 05:22:50 UTC

url : hxxps://192.3.239.109/600/vbc.exe