MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da2458789c338c2719661254515dba2fc92c21ef91a11da3d192a6542ca56814. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: da2458789c338c2719661254515dba2fc92c21ef91a11da3d192a6542ca56814
SHA3-384 hash: b97cbf99750a09e1fcb8cec43aef39d0fff1fd2f7bb13af485f77afe2b411c4bf542d42d5af92cf78079d8acb28572cf
SHA1 hash: f4e7cd7933f4468fa7d5752463aa198842ad7b2e
MD5 hash: 8c07acde5c34ee8f47efd7050ede7bd4
humanhash: ten-nuts-orange-fillet
File name:comingback.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:634'368 bytes
First seen:2021-10-19 13:56:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:sxTPnHq1OCpziAVfKrMY+V4xxqjC+thFuNppvppMkkkkkkkkkkkkkkkkkkkkkkkm:stPH0JpOmfKrMfVJCgVn
Threatray 10'645 similar samples on MalwareBazaar
TLSH T158D49E85FA9096E0CC2D93742A77CC354727BDAE64B4A50C25CA37772FB7A630036987
File icon (PE):PE icon
dhash icon 3cecd4c4d4c4c0d4 (2 x AveMariaRAT, 2 x SnakeKeylogger, 2 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://cdn.discordapp.com/attachments/899963549072375811/899964706461192192/comingback.exe
Verdict:
Malicious activity
Analysis date:
2021-10-19 14:12:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/440b40d0-582f-4bb9-9805-b85ad0858d83

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/198538/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.17696.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware keylogger obfuscated packed
Link:
https://www.filescan.io/uploads/616eceb0db358dd15ec4beb3/reports/35a5bdd0-7c19-406c-b56e-6fb771a8aa69/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/596fb3c8-6252-4f81-951b-2123f8064c86
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/873442
Signature
.NET source code contains potential unpacker
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)
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
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 505866 Sample: comingback.exe Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 31 www.wwwroadrunnerfinancial.com 2->31 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 7 other signatures 2->43 11 comingback.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\comingback.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 comingback.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.keycuracao.com 160.16.108.137, 49793, 80 SAKURA-BSAKURAInternetIncJP Japan 18->33 35 www.toriyabeblog.com 118.27.122.217, 49788, 80 INTERQGMOInternetIncJP Japan 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/da2458789c338c2719661254515dba2fc92c21ef91a11da3d192a6542ca56814/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2021-10-19 13:56:09 UTC
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
22a5161a4d95e737100936f93042049719d13a8437d751c22ad485ed51ee7c96
Formbook
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
2ff41fc4d08d2049d6c7dcb47b28fcb1e73b896b3e33ee8b95da5a7a3b01a26c
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
721c03c3cc73dddfcf27e473fc9d1962dd59b3cc7f7b70cdc17d2d6a049aed8e
Formbook
9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3
Formbook
a68cb3bf1d9d41e29fcf2e4391e827591e58783cea5a13fe95403fb6b3429b5d
Formbook
f358d592a02990a899bc4ca7c35804529237cbffac5dcabb3e7e3916a79afbb4
Formbook
fa5502396dc7ec0fc5508d901eb8b3e555558cdbaff338a1911db0edd4563b78
Formbook
+ 10'635 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cnp0 rat spyware stealer trojan
Link:
https://tria.ge/reports/211019-q89qssfhf5/
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ccnsv.net/cnp0/
Unpacked files
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
Link:
https://www.unpac.me/results/74e0d121-e12d-4509-964e-aa7aa982eb8c/
SH256 hash:
ac9e4562a991a75a983f0c8c57e0d648c4011cc5ea62ada0f4918cf347a4fd1a
MD5 hash:
18f72f05a05d035cd867f4e6de14fa7b
SHA1 hash:
f65e89c463c65cd0d0921841ddf1fdd042fdf6f6
Link:
https://www.unpac.me/results/74e0d121-e12d-4509-964e-aa7aa982eb8c/
SH256 hash:
abd73b8e64ee9675009b91caa2b0914f78d2c94ff0260aef98bffd57e8a5eb34
MD5 hash:
779bc937449a4a9598644f64160b461e
SHA1 hash:
b9cf49a4adbfd6acefad5af05e0aaae4d18f00f9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/74e0d121-e12d-4509-964e-aa7aa982eb8c/
Parent samples :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 hash:
da2458789c338c2719661254515dba2fc92c21ef91a11da3d192a6542ca56814
MD5 hash:
8c07acde5c34ee8f47efd7050ede7bd4
SHA1 hash:
f4e7cd7933f4468fa7d5752463aa198842ad7b2e
Link:
https://www.unpac.me/results/74e0d121-e12d-4509-964e-aa7aa982eb8c/
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/da2458789c338c2719661254515dba2fc92c21ef91a11da3d192a6542ca56814

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/1696254/
Cape
Cape
https://www.capesandbox.com/analysis/198538/

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