MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fce92bfceb412418320ffab7f7736fb84fdd8e5d857771ce9674bcffa275c4b9. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fce92bfceb412418320ffab7f7736fb84fdd8e5d857771ce9674bcffa275c4b9
SHA3-384 hash: e1c5e76179949a0bcd7f4bf2ce3ed2ce9e9dace2cda046f2568b75070be848186b38298117a65d2740193aa5841cbebd
SHA1 hash: 2ba7544f069f256a1f028896cfdb888d4d2b8e51
MD5 hash: e332cc555e305e16286e595b78181776
humanhash: glucose-cat-aspen-asparagus
File name:bnb.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'379'328 bytes
First seen:2021-03-09 08:57:43 UTC
Last seen:2021-03-09 10:49:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:SqCzeAiO90ngzyQacyut4YHuXtys3RlZ5ZusmDd:SaOGgOQN/GCucstgD
Threatray 4'075 similar samples on MalwareBazaar
TLSH DB55594233A86FA6F03D477A8469184983FBAC469331DA6E3DDD31CD6FA3F948650712
Reporter ffforward
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ MEDICAL EQUIPMENT ORDER.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-09 08:57:13 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/a67b56a7-0be5-462d-b959-cf8519ee9f91

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/123115/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.1765.15212.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/632421
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 365178 Sample: bnb.exe Startdate: 09/03/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 bnb.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\bnb.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 bnb.exe 10->14         started        signatures5 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 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.whatsherringsize.com 154.213.237.42, 49733, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->30 32 www.fotoincasa.com 208.91.197.91, 49744, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 17->32 34 www.7kesw69mfduxa9.net 103.192.160.244, 49740, 80 BIT-ISLEEquinixJpapanEnterpriseKKJP Hong Kong 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Gathering data
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-03-09 08:58:06 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
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411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
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5d5d64a87a5d888443e8d7a25046922fa4a39fe5952a45635dd66321e616bb14
Formbook
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7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Formbook
+ 4'065 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210309-1wsetx3kx6/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fessuseyyesseee.com/mdi/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/b88e8e3d-7c0e-420e-896f-d4dae1afed76/
SH256 hash:
fce92bfceb412418320ffab7f7736fb84fdd8e5d857771ce9674bcffa275c4b9
MD5 hash:
e332cc555e305e16286e595b78181776
SHA1 hash:
2ba7544f069f256a1f028896cfdb888d4d2b8e51
Link:
https://www.unpac.me/results/b88e8e3d-7c0e-420e-896f-d4dae1afed76/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/fce92bfceb412418320ffab7f7736fb84fdd8e5d857771ce9674bcffa275c4b9

File information

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

Malspam

Formbook

Excel file xlsx cda11c8be2f8b495746e3c169ae038b9e8f857fd9945d2135a10a542ec9d867f

Formbook

Executable exe fce92bfceb412418320ffab7f7736fb84fdd8e5d857771ce9674bcffa275c4b9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1056423/
  
Dropped by
SHA256 cda11c8be2f8b495746e3c169ae038b9e8f857fd9945d2135a10a542ec9d867f
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/123115/

Comments