MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f. 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 3 File information Comments
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SHA256 hash: 6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f
SHA3-384 hash: 32065dcc726e9ac02e8ac1335a8c692b61c2f6928ef53ca0fc8c8cdd0660792623b0ec2ed44c707895ce5cb658295d5d
SHA1 hash: 1b5ce8ebb1074d89dead6ed83e7c8d6d77a8971f
MD5 hash: 8fa85ce4b25441a6e45dd6c74cb79670
humanhash: single-wyoming-pasta-august
File name:PFR 2012R2-45137.exe
Download: download sample
Signature Formbook
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File size:766'976 bytes
First seen:2021-09-09 06:07:39 UTC
Last seen:2021-09-09 06:17:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:lgO3+VUPObK1Cnf2VtYLrlz1+e+AWQDXNXvjR/zk8iWNEQiEKwB:tHwlLWkXNBk8iWNAi
Threatray 9'137 similar samples on MalwareBazaar
TLSH T18DF4282439EB901DF273FFB55EE434D6AA6FB7633606E45D109103870A23B81DE9163A
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PFR 2012R2-45137.exe
Verdict:
Malicious activity
Analysis date:
2021-09-09 06:08:15 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/6ed17d12-dbed-4e72-a0e4-c673aae51aae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/186498/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.6904.19906.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ed909df2-d2cb-42a6-b6a7-e283e9ac3263
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/847840
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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
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: 480271 Sample: PFR 2012R2-45137.exe Startdate: 09/09/2021 Architecture: WINDOWS Score: 100 31 www.barry-associates.com 2->31 33 barry-associates.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 9 other signatures 2->45 11 PFR 2012R2-45137.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\PFR 2012R2-45137.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 PFR 2012R2-45137.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 35 www.yifa5188.com 18->35 37 www.heseasy.site 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 explorer.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-09-09 06:08:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
7 of 45 (15.56%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nj3yzp5tjjrxezodtls2bizbaeezrwj7w4mdwtuhm2skeoil64xq._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
29950580b2173e3b03525a667160b3513b713a0c69c5245aa2f4d81383f0a27c
Formbook
37e98fef85aeb5097a5091d11fc844487642873e9e06a8d0734785dbe1ad1315
Formbook
38c8743572d600fee9623ff305b4e6a78c033576f4ca63e6e5f8ab1c9f6047ce
Formbook
83b3d86539fd63f97b860e86c3e61b4e2c64dc1ff2936566d5bda292ab6e478d
Formbook
cb63132b863557beac43df88e49f48fad74a31758a8a95f34ea14c6e00c9b843
Formbook
db59f359b1391841761f1eb6924a49ac7d39fce5033f9048b8be2c6b74734f3c
Formbook
e0e30c8c2180ba5b019bb78098a25811a1989a1bc6809e4c17130d887c47a24e
Formbook
f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6
Formbook
f9dc7de32eb824444dce368b02ff4f6648fc7d01059a04b8a3d2ce8092f1c0ce
Formbook
+ 9'127 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ergs rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210909-gvzh8saggp/
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.barry-associates.com/ergs/
Unpacked files
SH256 hash:
17d16777fd0f96776c3872efffe4afc4fa22be1bc72c6bb1c10de63922c63a5b
MD5 hash:
0b2a299e0cc6747fdb6835a8a038e0a7
SHA1 hash:
13f6911d65a5b9e6641bdbf7e2ce6eab5a74c157
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/b1211410-4d86-4351-aac8-ac95ba9285d8/
Parent samples :
83b3d86539fd63f97b860e86c3e61b4e2c64dc1ff2936566d5bda292ab6e478d
6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f
0cdbab37f443dbdc7fb7aecc5e0b8dfb7b25b7d665397194bb8a137e9b01d44f
85b8983f0d67758fd02b1aa875add6fd3fe6e88f9ade27cb535c490a0c367491
69394a249833f97289151fa8334f32e0b0467ce4ecb164b0706784fb836136a6
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/b1211410-4d86-4351-aac8-ac95ba9285d8/
SH256 hash:
7f33b9fa425cd38ba8cba27f9c29538674ca335417ea9fdda5fbc6ab592a9663
MD5 hash:
058e5d0ccf9f6b599e202211151f4324
SHA1 hash:
4dec03fa54cba1cc85761721c3a8160e58eec3ee
Link:
https://www.unpac.me/results/b1211410-4d86-4351-aac8-ac95ba9285d8/
SH256 hash:
6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f
MD5 hash:
8fa85ce4b25441a6e45dd6c74cb79670
SHA1 hash:
1b5ce8ebb1074d89dead6ed83e7c8d6d77a8971f
Link:
https://www.unpac.me/results/b1211410-4d86-4351-aac8-ac95ba9285d8/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6a778cbfb34a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f

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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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

rar faaf9067632f27df389f09dd6fc4bec073fc25bec1043672201b312c7f3454c7

Formbook

Executable exe 6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 faaf9067632f27df389f09dd6fc4bec073fc25bec1043672201b312c7f3454c7
Cape
Cape
https://www.capesandbox.com/analysis/186498/

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