MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e838d341d05fb719bcecd3cd2d7e252829392600f2fcb0e6b20bec5415531d8c. 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 4 File information Comments
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SHA256 hash: e838d341d05fb719bcecd3cd2d7e252829392600f2fcb0e6b20bec5415531d8c
SHA3-384 hash: d2e231cffd8017e117df35978302ff55a03f820c4041e465e00536c348cf6869b097e93da7b7d3b8803c850e11cff222
SHA1 hash: b5a27318984cd9b4fc84a45dced6d3ec634b1b80
MD5 hash: a7b6106a0481e055df30cc10bfd7acbb
humanhash: india-bacon-jupiter-summer
File name:shdybron2.1.exe
Download: download sample
Signature Formbook
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File size:455'817 bytes
First seen:2022-10-11 13:11:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:oNeZZy5phzEbNikyUntN23OFNBwgYRdoyEIAO1zHl1:oNAy5MbNiObqOFPFhS5D
TLSH T165A4DF017900979DDFD20A31C81E87AC0E566E5EB1A09257A7BC3F1E7EBC3539829B47
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 04f260e991609b02 (1 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/318956/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for the window
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/42508/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63456ba30d2bcf0ff9a23b69/reports/0519bee7-d982-4967-9cfe-ac19144acdc8/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/593e69cf-be1a-4383-9717-3c3ce843604e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088012
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
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 dropped file
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: 720615 Sample: shdybron2.1.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 44 www.vijaysriniketan.tech 2->44 46 vijaysriniketan.tech 2->46 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for dropped file 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 5 other signatures 2->68 11 shdybron2.1.exe 18 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\Local\Temp\uihhy.exe, PE32 11->38 dropped 14 uihhy.exe 2 11->14         started        process6 file7 40 C:\Users\user\AppData\Local\Temp\2254.tmp, PE32 14->40 dropped 42 C:\Users\user\AppData\Local\Temp\1C1A.tmp, PE32 14->42 dropped 78 Multi AV Scanner detection for dropped file 14->78 80 Machine Learning detection for dropped file 14->80 82 Found hidden mapped module (file has been removed from disk) 14->82 84 Tries to detect virtualization through RDTSC time measurements 14->84 18 uihhy.exe 14->18         started        21 WerFault.exe 23 9 14->21         started        24 uihhy.exe 14->24         started        signatures8 process9 dnsIp10 54 Modifies the context of a thread in another process (thread injection) 18->54 56 Maps a DLL or memory area into another process 18->56 58 Sample uses process hollowing technique 18->58 60 Queues an APC in another process (thread injection) 18->60 26 wlanext.exe 18->26         started        29 explorer.exe 18->29 injected 32 autoconv.exe 18->32         started        48 192.168.2.1 unknown unknown 21->48 signatures11 process12 dnsIp13 70 Modifies the context of a thread in another process (thread injection) 26->70 72 Maps a DLL or memory area into another process 26->72 74 Tries to detect virtualization through RDTSC time measurements 26->74 34 cmd.exe 1 26->34         started        50 ios-audit.qe23.com 47.91.153.157, 49702, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 29->50 52 www.nxaey.com 29->52 76 System process connects to network (likely due to code injection or exploit) 29->76 signatures14 process15 process16 36 conhost.exe 34->36         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/e838d341d05fb719bcecd3cd2d7e252829392600f2fcb0e6b20bec5415531d8c/
Threat name:
Win32.Trojan.GenericML
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Status:
Malicious
First seen:
2022-10-11 13:10:39 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5a4ngqoql63rtphm2pgs27rffautsjqa6l6lbzvsbpwfifktdwga._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:sk29 rat spyware stealer trojan
Link:
https://tria.ge/reports/221011-qfhfvafcd5/
Behaviour
Gathers network information
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/83bc7918-ea44-418d-b8b1-7887431ee368
Unpacked files
SH256 hash:
1d39efad8321fe29d1aea9f37bf318e735130456214cfc0b6e3a69bd13eb9244
MD5 hash:
e298da29d8df3c19d4722b2b23ef9360
SHA1 hash:
b9e2bc6b7af204ef9627c3c67fdb87cf92d4ffb2
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/f728082d-29f8-49cb-8510-9c45cb944225/
Parent samples :
0b504e6f2a283de75673bbe913c5032b02cc6a92888f4dfab895f79104b11103
c292ddac09c57630068c0ed4b57ea874549ec12627cfcaf0a25277b26d042b46
e838d341d05fb719bcecd3cd2d7e252829392600f2fcb0e6b20bec5415531d8c
4bcad770ca8cf0c4b4ace7350195f8ec1ec889d08dcb21a44afa10d0f7851302
SH256 hash:
4f885057d4d2df563ddd895352b96146a19e9dcadb256e565ddaaacedc9b57d1
MD5 hash:
a97f9234f2fb5537b2fec1c9c0e0490c
SHA1 hash:
19bd3f47e8b3b364e73cd5691eab8ae4d7d1939b
Link:
https://www.unpac.me/results/f728082d-29f8-49cb-8510-9c45cb944225/
SH256 hash:
e838d341d05fb719bcecd3cd2d7e252829392600f2fcb0e6b20bec5415531d8c
MD5 hash:
a7b6106a0481e055df30cc10bfd7acbb
SHA1 hash:
b5a27318984cd9b4fc84a45dced6d3ec634b1b80
Link:
https://www.unpac.me/results/f728082d-29f8-49cb-8510-9c45cb944225/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e838d341d05f/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/e838d341d05fb719bcecd3cd2d7e252829392600f2fcb0e6b20bec5415531d8c

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:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
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Author:Willi Ballenthin
Rule name:win_formbook_auto
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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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/318956/
  
URLhaus
https://urlhaus.abuse.ch/url/2360264/

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