MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50561a0a422f836fd850a8bc328533d7f577ca2acac7999666e48f1ff8e4eff0. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 50561a0a422f836fd850a8bc328533d7f577ca2acac7999666e48f1ff8e4eff0
SHA3-384 hash: 772b9304c6929eaf0d3971175bc10d43a84edde1827d90e8c14a5a6b1b5e61d0a2e959e3285c6bf5ae27f6cfd222defa
SHA1 hash: a71bf9978a3577e10d6dd9aa396ed98d1a05fbf5
MD5 hash: 6f6f72393c1dc3a683085700d3db3bfb
humanhash: nebraska-south-hydrogen-bakerloo
File name:SecuriteInfo.com.Suspicious.Win32.Save.a.16817.24547
Download: download sample
Signature Formbook
Create hunting rule
File size:370'352 bytes
First seen:2022-07-13 08:06:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 6144:gjGK+rGxwf9xnSkmfrAGI7jVJNS1cr3ybJVPpJbD2:LNWO91AcGIn8c8bbD2
Threatray 1'152 similar samples on MalwareBazaar
TLSH T1F274AE5BBA4C778ECB46C9B279B44D3452509F771316CA02B4C3FE7D4A7898FAA101E2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6ccccc9cc4d8e8f4 (41 x Formbook, 34 x AgentTesla, 3 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/286887/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.16817.24547.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62ce7d8f8dab2096b992fcc6/reports/991a1834-b818-4987-a0f7-bc4e3f31fd5c/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/71ba7028-25fe-40c3-87d5-a3eb26521f20
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1030073
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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: 662564 Sample: SecuriteInfo.com.Suspicious... Startdate: 13/07/2022 Architecture: WINDOWS Score: 100 32 www.receitasinusitadas.site 2->32 34 www.atrial-traitement.com 2->34 36 receitasinusitadas.site 2->36 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->48 50 4 other signatures 2->50 11 SecuriteInfo.com.Suspicious.Win32.Save.a.16817.exe 1 2->11         started        signatures3 process4 file5 30 SecuriteInfo.com.S...ave.a.16817.exe.log, ASCII 11->30 dropped 14 cvtres.exe 11->14         started        17 cvtres.exe 11->17         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected 68 Tries to detect virtualization through RDTSC time measurements 17->68 process8 dnsIp9 38 www.llocalbitcoins-com.com 187.17.111.96, 49785, 80 UniversoOnlineSABR Brazil 19->38 40 www.harborretired.com 103.224.212.220, 49778, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 19->40 42 3 other IPs or domains 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 23 msdt.exe 19->23         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/50561a0a422f836fd850a8bc328533d7f577ca2acac7999666e48f1ff8e4eff0/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-07-13 08:07:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
12 of 26 (46.15%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kblbucscf6bw7wcqvc6dfbjt272xpsrkzldztftg4shr76he57ya._file
Verdict:
malicious
Similar samples:
044ae0d297d6156d51d68de2c94b9ce78b3954a99e374a199c225f2272479d34
Formbook
4307780f4d8e29477a0c018fe3a769fbc545bb54e14129319592271601599147
Formbook
59b646e15716cec57916f75006361b3e369b243918fcd5cc3fffb9be230acda7
Formbook
746a353b71345f9e27dc628cf30df6004370b4c8276c236704cba896debb2b2c
Formbook
9cdf3733470f8fe5ab1cf50b6fe74f3aaa810996f3539ac969680aa55b4da383
Formbook
a5e9d790b1d375e91942201622ac9cf4a02d168b9b91284468ce8347af562a3c
Formbook
bc34ae8a507c4020fbbd565b4507190df16083db2fc6496f3a2df724bbcb5a26
Formbook
d50d36d60b72642c6470efa03def6f91d7fef78790ac1215416659dd5bbca94e
Formbook
+ 1'142 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220713-jzz2nsehg5/
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Adds policy Run key to start application
Xloader payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Formbook
Unpacked files
SH256 hash:
a51eaf921f27f2ff63d8070f4ef8264f3bcdb276ce654c146c779e685b5fc43e
MD5 hash:
132daa89e66c3b792973c2ff6b580744
SHA1 hash:
4b6d195d233bda56df470250905d65bcf6276f2a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/15ea66c0-ce70-49e4-b5f8-e1d546a17e15/
Parent samples :
89ce5deea4986b1d484b34bee77c58899dab5ce01c8f62b9ac2ca8e9bbed79bd
044ae0d297d6156d51d68de2c94b9ce78b3954a99e374a199c225f2272479d34
50561a0a422f836fd850a8bc328533d7f577ca2acac7999666e48f1ff8e4eff0
768e0f1d1cd2d7f24ee1eaaab00783b734696c6e3f8923470a355cceb72556ec
aae769c2b3b5b48de27bcb540924e2fa02b761e8af8db3d76e8ccc1c311d9596
SH256 hash:
9deae5cdb39744cc245556f49d03649cac8a432463e4507b4d8a4adf7bad6aac
MD5 hash:
b4861b37115adfec5b90cf7e05fb853f
SHA1 hash:
e608f94be37a272eb32606c97d4ac1a2d04aa04b
Link:
https://www.unpac.me/results/15ea66c0-ce70-49e4-b5f8-e1d546a17e15/
SH256 hash:
50561a0a422f836fd850a8bc328533d7f577ca2acac7999666e48f1ff8e4eff0
MD5 hash:
6f6f72393c1dc3a683085700d3db3bfb
SHA1 hash:
a71bf9978a3577e10d6dd9aa396ed98d1a05fbf5
Link:
https://www.unpac.me/results/15ea66c0-ce70-49e4-b5f8-e1d546a17e15/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/50561a0a422f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/50561a0a422f836fd850a8bc328533d7f577ca2acac7999666e48f1ff8e4eff0

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_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Cape
Cape
https://www.capesandbox.com/analysis/286887/

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