MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db
SHA3-384 hash: 179efdfaf019ba13c27c61077ef4e10027def77fd3ec130fb8695bf2362be566bb2f4d0b18150161a2fbfe48ceba9d63
SHA1 hash: a7ae1b92f56bbc71126b65f291b48a06facaf76d
MD5 hash: 6e3dff6de68bbdea1ae0d933c8f0e12d
humanhash: ten-uranus-equal-papa
File name:SURENDER BL.jpg.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:773'632 bytes
First seen:2022-02-23 06:59:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:JdSpuu7l3hjgGa83bzH22qla5w/yXbxlihQ9RlewbD0ii:JCuYlxjF9bzH0MW/IbxlHLxD0ii
Threatray 13'643 similar samples on MalwareBazaar
TLSH T1ACF49D18F7525AD2E89546BA9BF523012351FAB00CDFD20B75DCA43D86FF3A93E80169
File icon (PE):PE icon
dhash icon 7e70747474d6d274 (2 x Formbook, 1 x AveMariaRAT, 1 x RemcosRAT)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/243550/
Detection(s):
SecuriteInfo.com.EXE.Obfus-4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6215db78a2660f3bb92d3240/reports/f46fbde6-62f8-47ca-a247-a2fc983655e7/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3a041fe-a23a-477b-acb9-61235632b15c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/944490
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
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)
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
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ping.exe to check the status of other devices and networks
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 576968 Sample: SURENDER BL.jpg.exe Startdate: 23/02/2022 Architecture: WINDOWS Score: 100 66 www.pelitbonadea.com 2->66 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus / Scanner detection for submitted sample 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 5 other signatures 2->84 11 SURENDER BL.jpg.exe 1 4 2->11         started        signatures3 process4 file5 60 C:\Users\user\AppData\Local\huss.exe, PE32 11->60 dropped 62 C:\Users\user\...\huss.exe:Zone.Identifier, ASCII 11->62 dropped 64 C:\Users\user\...\SURENDER BL.jpg.exe.log, ASCII 11->64 dropped 90 Injects a PE file into a foreign processes 11->90 15 SURENDER BL.jpg.exe 11->15         started        18 cmd.exe 1 11->18         started        signatures6 process7 signatures8 100 Modifies the context of a thread in another process (thread injection) 15->100 102 Maps a DLL or memory area into another process 15->102 104 Sample uses process hollowing technique 15->104 106 Queues an APC in another process (thread injection) 15->106 20 explorer.exe 15->20 injected 22 mstsc.exe 15->22         started        108 Uses ping.exe to check the status of other devices and networks 18->108 25 PING.EXE 1 18->25         started        28 conhost.exe 18->28         started        process9 dnsIp10 30 huss.exe 2 20->30         started        33 huss.exe 1 20->33         started        35 autoconv.exe 20->35         started        86 Self deletion via cmd delete 22->86 88 Tries to detect virtualization through RDTSC time measurements 22->88 37 cmd.exe 1 22->37         started        76 yahoo.com 74.6.231.21 YAHOO-NE1US United States 25->76 39 conhost.exe 25->39         started        signatures11 process12 signatures13 92 Antivirus detection for dropped file 30->92 94 Multi AV Scanner detection for dropped file 30->94 96 Machine Learning detection for dropped file 30->96 98 2 other signatures 30->98 41 cmd.exe 1 30->41         started        43 huss.exe 30->43         started        45 cmd.exe 1 33->45         started        47 huss.exe 33->47         started        49 conhost.exe 37->49         started        process14 process15 51 PING.EXE 1 41->51         started        54 conhost.exe 41->54         started        56 PING.EXE 1 45->56         started        58 conhost.exe 45->58         started        dnsIp16 68 74.6.143.26 YAHOO-3US United States 51->68 70 192.168.2.1 unknown unknown 51->70 72 yahoo.com 51->72 74 yahoo.com 56->74
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-22 14:27:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sunl6l2bc2bbacjwtnmtxc2w6nj3wylw45luwrh4wreov2tfcxnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14642e431716be5f43044de68f915037e0358a401f59e490f5370cc5563a1a23
Formbook
2b61cfb00cc8a45fdae91c176c8e68be4ac7cefbe0fab5781e5fa44d2ec4ca9f
Formbook
3090eb9593159bb7832f0d55b935396e585d8095b4c7c5f07922848a41a20d70
Formbook
92e4964a6f237d0ac0e881fbdb1ed93a46e78cead4894fbd9667a00a80b96da7
Formbook
96de11fc0f948fc3039f297475ba8abfcedaa7a9718634359286fe49156cd216
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
daac858e9ca5b0c8044385c2d94cbef17c41b0bd5c569ad7e03f0a51b4caab7a
Formbook
db4d5bd36f923fdd47daf48ace971f47e9764d27a2f88241f09c754c042efc28
Formbook
e9f3be0c409dfce073fc55ea97594b0ff18f7953e1793cb7aa8a7c0f87549ebb
Formbook
+ 13'633 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f1s1 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220223-hsnjmahbg8/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
874edfe2badfeb0324824d9e91328b7fb0e30f92dffc508ac7ec6cae45044c96
MD5 hash:
aa4a9e73fb8f03161b46171295cdd411
SHA1 hash:
34905e428b64be6482cf8454b17c6629f31e02ef
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/915c231c-a3fd-40d8-a418-d280f3abca97/
Parent samples :
0a4ebd7a3922a03ec0c6db580671714e2318e997af1f6613ede7471d4d81f0ab
2af06422e62704ac3eb70a7ce1b5fa08d5a2f0f0bb71b604298aedc24e256f56
46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519
951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db
69e2e974e72cad787eefb413d7a2cec8bf4f71365ac46093556a8362e9ada553
SH256 hash:
c0dbea67b413f0436c3dce17b6296d2617ac5d30c91cdda09d95fa54efffc139
MD5 hash:
5af70625dc7c843190cd3468dd1a8e36
SHA1 hash:
df2ebb2ab3ddd64adcc1b9b11c5703a688f4ece5
Link:
https://www.unpac.me/results/915c231c-a3fd-40d8-a418-d280f3abca97/
SH256 hash:
fdc7c0e4b4451d7b0dbeef62e781447058861c8673f9c69d1f0da9d0e31828b8
MD5 hash:
d46e297768f41fb137391f23670873f9
SHA1 hash:
bcb84c195d2b3d9396d3c37150b8fbf2717a9516
Link:
https://www.unpac.me/results/915c231c-a3fd-40d8-a418-d280f3abca97/
SH256 hash:
951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db
MD5 hash:
6e3dff6de68bbdea1ae0d933c8f0e12d
SHA1 hash:
a7ae1b92f56bbc71126b65f291b48a06facaf76d
Link:
https://www.unpac.me/results/915c231c-a3fd-40d8-a418-d280f3abca97/
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/951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Malspam

Formbook

ace 8564b38aba101e81b04cd5fcf0e87bb12966be4adde5906f84a49723c2a9fd1d

Formbook

Executable exe 951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8564b38aba101e81b04cd5fcf0e87bb12966be4adde5906f84a49723c2a9fd1d
Cape
Cape
https://www.capesandbox.com/analysis/243550/

Comments