MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6
SHA3-384 hash: cc37e9d4f41f7b7d57bdf660ce051bfbbb0523058b7a042ea24a39e2a00b42dafca5a0bc508d7a497f4350ec36be03a8
SHA1 hash: d86c40db257ce27b44134f2d2205eba001fdf13e
MD5 hash: fabbeccc4b95a788a4a1bbb7ee7d40b7
humanhash: louisiana-may-skylark-nuts
File name:confirmation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:944'640 bytes
First seen:2022-09-23 05:26:26 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 24576:HffrJDbD04UQDd7pbHk3Gfa1Iys5KjbSt:HdFUstHkOIIyMKvm
TLSH T1B115AF0C13258647E4187B30D9A9FB351B601CBC769AC3DE68D83D6BFAB63952C73126
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 6dd2d312dbc8cc49 (94 x Formbook, 5 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312488/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FQW.gen.Eldorado.32289.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/632d43b212db32f02469979d/reports/2cdd5b7c-b3f3-40b8-9cf0-d150e1a9920d/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3fa8880-06ef-4f13-918e-9b35545ececb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1075682
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-09-20 06:42:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 26 (76.92%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e4cqbrkscfajsqyr5nlajgah6m2ucrzom3r257ebah6coz6e72ta._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:rsea rat spyware stealer trojan
Link:
https://tria.ge/reports/220923-f5e2xadcb3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/095c0e1e-eaf3-4ec8-a880-c9f4afc4311d
Unpacked files
SH256 hash:
1c1197a3e6b4fc172fb702defd122092e721ba3c271a48c89466121f4771fd9f
MD5 hash:
610f04d8febfa747d32b84a3ac777e81
SHA1 hash:
799bafeb8333ce64674864a89f969c3977152e26
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/682805d7-caaa-47d9-878e-d5059a02f75a/
Parent samples :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 hash:
941077db417b243f22fa24c04bde855be92e5d475d1e1fbd86ff67329dd52ce0
MD5 hash:
e7b4e8c3119de634191412d969980a3e
SHA1 hash:
ad97783dbb5a61ad3fb1e2654c652d77bb804c7d
Link:
https://www.unpac.me/results/682805d7-caaa-47d9-878e-d5059a02f75a/
SH256 hash:
c254df66f8e792b5a5497a599ce7affff769cd0fcae8a76fe1b63120efb06cac
MD5 hash:
c915902e055b7371f4cdb791166c0a67
SHA1 hash:
8620ccd8956621fe30989bac538e538d1e763e38
Link:
https://www.unpac.me/results/682805d7-caaa-47d9-878e-d5059a02f75a/
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
Link:
https://www.unpac.me/results/682805d7-caaa-47d9-878e-d5059a02f75a/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/682805d7-caaa-47d9-878e-d5059a02f75a/
SH256 hash:
270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6
MD5 hash:
fabbeccc4b95a788a4a1bbb7ee7d40b7
SHA1 hash:
d86c40db257ce27b44134f2d2205eba001fdf13e
Link:
https://www.unpac.me/results/682805d7-caaa-47d9-878e-d5059a02f75a/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/270500c55211/report/overview.html
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/270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6

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
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/312488/

Comments