MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b65f290b74a2787160fa1febc0622f80a879fc6c366ef0aeb04e9ba9a76f8cea. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b65f290b74a2787160fa1febc0622f80a879fc6c366ef0aeb04e9ba9a76f8cea
SHA3-384 hash: c8c7af4d7cb8a5574d8fe685f70ef919af89c269ea673f7872b73b13a054597f2ffe5e03a28ee47ef71116182231d739
SHA1 hash: a19be0a36b4e481c102f8ca749ea1197e9f2a4a7
MD5 hash: 8cd44c9a7b36f954ac068e6825c402c0
humanhash: berlin-india-five-illinois
File name:SecuriteInfo.com.Trojan.Siggen15.46065.1499.4737
Download: download sample
Signature Formbook
Create hunting rule
File size:588'288 bytes
First seen:2021-11-19 18:05:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:dBetOBqM0cBJ4lIOglg0/UXxijeC5xMA1JofDw:HBq4BJ4lrglRpZ1J8Dw
Threatray 11'782 similar samples on MalwareBazaar
TLSH T154C4A1F11AD37901E46A05F1FF88199C173F988298199B97D580F89F0EF3AEB850D6B1
File icon (PE):PE icon
dhash icon f0f0e87171f0ccf8 (6 x AgentTesla, 2 x Formbook, 1 x XpertRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://omno.ai/able/J5fYsBxl6EcuvBC.exe
Verdict:
Malicious activity
Analysis date:
2021-11-19 15:47:51 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b6050fa3-77a7-44ac-bbb7-8f834910bd45

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.46065.1499.4737.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6197e78d4912a8c920a3fe51/reports/8a1b3bc5-1106-443a-8dfa-0c1b0984a7fa/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/feedd2a8-6861-45e5-93e2-7261f1b6abbb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/892849
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 525320 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 19/11/2021 Architecture: WINDOWS Score: 100 27 www.myonchain.art 2->27 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 8 other signatures 2->41 9 SecuriteInfo.com.Trojan.Siggen15.46065.1499.exe 3 2->9         started        signatures3 process4 file5 25 SecuriteInfo.com.T....46065.1499.exe.log, ASCII 9->25 dropped 53 Writes to foreign memory regions 9->53 55 Allocates memory in foreign processes 9->55 57 Injects a PE file into a foreign processes 9->57 13 vbc.exe 9->13         started        16 vbc.exe 9->16         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 18 explorer.exe 13->18 injected 67 Tries to detect virtualization through RDTSC time measurements 16->67 process9 dnsIp10 29 www.sxsxnt.com 173.231.37.76, 49821, 80 WEBNXUS United States 18->29 31 www.baetsupreme.net 103.224.182.246, 49850, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->31 33 30 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 45 Performs DNS queries to domains with low reputation 18->45 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b65f290b74a2787160fa1febc0622f80a879fc6c366ef0aeb04e9ba9a76f8cea/
Threat name:
ByteCode-MSIL.Trojan.StealerInjector
Create hunting rule
Status:
Malicious
First seen:
2021-11-19 07:15:17 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzpssc3uuj4hcyh2d7v4ayrpqcuht7dmgzxpblvqj2n2tj3prtva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5f674444804a14848e4bc25616732d85d2d6e7e9b96e19aa90c36070c16b0570
Formbook
774c08451198a951fa73f9859b5e48c12c5df9214759e4717e56d92fb4c09d1e
Formbook
82adc1ae5adcf8277a595f34021ff3724d380c87a2b03477ef7aa7504b2c6b77
Formbook
8991d5030b4541ecb6d1f0c14cb82914e745e77500f0d276b761d5e857aea943
Formbook
973489958412d5278a51536aac60517969126519f59677ec9b2917c727ac832a
Formbook
c59989579638c9add564a7013d8614bdc6b2f77bec80a0a6d4a8998e66bc6d07
Formbook
c8352baa0192f9bdbf7b0d47d76f9b592ba602ea001fdc21e281899eb3209a6c
Formbook
d943b2b022a12df6ee3158daf54024d0c3f416590ec1c630373f7e6b12a5c52b
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
+ 11'772 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:b62n loader rat
Link:
https://tria.ge/reports/211119-wpq28sebg3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.multidetoxhepatico.com/b62n/
Unpacked files
SH256 hash:
1bb5f92a9938fb8d6a97c1de80469a0ec325eecaee427122b09b248027a5e944
MD5 hash:
fbb2931f2e80c155c0d0ab7fc0d7ac4e
SHA1 hash:
9272b1b1b2974dccae8ce1c72db32df6cd96b919
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b2b163ec-befb-4967-afb6-d5264da19952/
Parent samples :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 hash:
bf1b4238c41d38da0195941eaaf006d113bc9f6d832d82f01d34c0ceed3b91ad
MD5 hash:
e7daee1153f20e406e0217c53e7758e1
SHA1 hash:
e2504ffcc1a7e64eb140a88cde2feb5c69122c32
Link:
https://www.unpac.me/results/b2b163ec-befb-4967-afb6-d5264da19952/
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
Link:
https://www.unpac.me/results/b2b163ec-befb-4967-afb6-d5264da19952/
SH256 hash:
b65f290b74a2787160fa1febc0622f80a879fc6c366ef0aeb04e9ba9a76f8cea
MD5 hash:
8cd44c9a7b36f954ac068e6825c402c0
SHA1 hash:
a19be0a36b4e481c102f8ca749ea1197e9f2a4a7
Link:
https://www.unpac.me/results/b2b163ec-befb-4967-afb6-d5264da19952/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b65f290b74a2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/b65f290b74a2787160fa1febc0622f80a879fc6c366ef0aeb04e9ba9a76f8cea

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe b65f290b74a2787160fa1febc0622f80a879fc6c366ef0aeb04e9ba9a76f8cea

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1801091/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/207659/

Comments