MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b
SHA3-384 hash: c4f8df9a747041ddb699f6a594ca4beba3ac015386d908888f4af1fd1f8ddcd3e2901a05d692569c257e4099fc5dc183
SHA1 hash: c7797638f47bc93f081f5d621a3ab19dbf00c810
MD5 hash: 3768ec4494f7eee12cc7ad1fb7f49354
humanhash: steak-stream-arkansas-march
File name:mqeTuuuKUNtV692.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'002'496 bytes
First seen:2021-07-13 05:10:50 UTC
Last seen:2021-07-14 07:49:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:IyTmxXxcK3QBLkNefQI8LNeu+D0yoUI2ZnP4gCgKmpHECure74DkiUy/CWZD:IlBoBLaefQPLl+4i3aOECuEckiP/CWZ
Threatray 6'336 similar samples on MalwareBazaar
TLSH T1DC25D0B697880567DF7D83B47971E826FA626C663B70DE0F17CB729117372821482C2E
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
mqeTuuuKUNtV692.exe
Verdict:
Malicious activity
Analysis date:
2021-07-13 05:12:31 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a99860d3-cc04-4eb7-81e1-2489ba7e307a

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/171229/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.5506.9935.UNOFFICIAL
Create hunting rule

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:
Malicious
Link:
https://analyze.intezer.com/analyses/a3dd786f-b87b-4081-a94b-011f0def5258
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815275
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 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 signatures2 2 Behavior Graph ID: 447686 Sample: mqeTuuuKUNtV692.exe Startdate: 13/07/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 6 other signatures 2->44 10 mqeTuuuKUNtV692.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\mqeTuuuKUNtV692.exe.log, ASCII 10->30 dropped 54 Writes to foreign memory regions 10->54 56 Allocates memory in foreign processes 10->56 58 Injects a PE file into a foreign processes 10->58 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures5 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 32 www.formerknown.com 199.34.228.164, 49738, 80 WEEBLYUS United States 19->32 34 mattvickery.com 192.0.78.24, 49737, 80 AUTOMATTICUS United States 19->34 36 www.mattvickery.com 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 msiexec.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-07-13 02:07:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 46 (30.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jt4thsptdnhd3luaaicdyzfeah4ruiuk32w7xsu3c4vtgm7rxzvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3638ac885ef63f3b5bfadd95b0f43c34c3854e2483adde873b3d5fca7a831632
Formbook
49e85a486931e92ab028dc10d02b1d2d5860a6656bf6d50cef71542fc0905105
Formbook
57e63dfbb0a4ae4160cd50f65ff9dce530c0f20188524279a840546a89de56bd
Formbook
61be8eb2905c08febca2821b39701ea6a361ae21e807866d240b3b122221cf62
Formbook
6935472304f1b2e4e19ca521bf82ef1064f62ced4bf0ee3d1b6eac32a3f4b61f
Formbook
94e436107d0fb47e65907647813f1914e8c847f3d6045098e65d1bc56abf280f
Formbook
ab95bc3c40647b2b700cdb9aba76b6de220fd528fd194e6071c1747df6cb78ce
Formbook
c6a199bfbe12473c6aed6c656cbab5a96cf4163cd6034389b369a55cbbdddeca
Formbook
d8de6668573d3ceb90b6794ad11ce332f7d7ece1d4cc1c40b2279ebcdc71b5dd
Formbook
f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
Formbook
+ 6'326 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210713-trpjtd1lnj/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.panyu-qqbaby.com/weni/
Unpacked files
SH256 hash:
6f54cee217deaf54bd3f9c1a2169f437a7eee29309f87232ce46032eca3b1363
MD5 hash:
550970889e4325645c8671d69bf96a91
SHA1 hash:
35673655771636cd80db6fcc2714bee15d6156b1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1ac0d423-ca07-404c-9340-822bd86d455e/
Parent samples :
4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b
2d7aac32ea8a8329262ead70ec2f030c1a4061e4edafdf03e605bb9ce606836e
3a4677dc6f14f38983af15458b11d5f92e71dea8d5cd0e5b263c50d211a72621
e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9
06e6b50f2a956f1fff285d4717f7dc33af56f8f08255f744cbd0eba9b0fe82e9
38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20
ec5f4dcc08f293334a46654b279444c6c128608c6af38a4139a5b28503954219
6c60876d91087cbd176ff5419577f2b3315b2d3a9d9c6d11a06b95ea10d5311f
b07a33b6e6d8007b04f1f4a78cd8be773506bbf6b60ed0227665188d57e82a15
77d33d0e8b91781213a971ebc2e6abe4191bf2c28ff0ede19b07db092f590dff
06d062adc4478b2c95f98fec038fe559eff9fa60ce98d05d257f37c00a9026d6
4ca6a48021d7d442d9311b158691b1f219576d7d37a99f64741463659903ad4c
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/1ac0d423-ca07-404c-9340-822bd86d455e/
SH256 hash:
6937be5453b959feb5a97833fcf1e42fbc27a56421f44449e6eb58bf65338a24
MD5 hash:
ed5bca6655a0ce8a18ee69fd213088da
SHA1 hash:
0c1e67ebc0029770db0263f0d94db183835e3985
Link:
https://www.unpac.me/results/1ac0d423-ca07-404c-9340-822bd86d455e/
SH256 hash:
4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b
MD5 hash:
3768ec4494f7eee12cc7ad1fb7f49354
SHA1 hash:
c7797638f47bc93f081f5d621a3ab19dbf00c810
Link:
https://www.unpac.me/results/1ac0d423-ca07-404c-9340-822bd86d455e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

Formbook

r00 9f0ab3d8af0ed1beb957764acd6e4ada781f401e771575f67f9aff265702c1ad

Formbook

Executable exe 4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9f0ab3d8af0ed1beb957764acd6e4ada781f401e771575f67f9aff265702c1ad
Cape
Cape
https://www.capesandbox.com/analysis/171229/

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