MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e. 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 3 File information Comments
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SHA256 hash: bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e
SHA3-384 hash: 96c08d24dd718e7feb5a7368f1ffba9d71ac55d1a8b6b1cfc5c01aa6a6cdcc0923f31cc363effff31120ead31322dd89
SHA1 hash: 40645a876b2ffbdae11e7dd61050dafe513d0a24
MD5 hash: 689bd82b0c68e4a07bbb83cc377201e9
humanhash: five-lion-sad-solar
File name:bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e
Download: download sample
Signature Formbook
Create hunting rule
File size:864'256 bytes
First seen:2022-07-08 12:19:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:qoiZH2iNusEH9mHwvOkwEH+bIlmdeb1cvvxnnQfbP:s1QsEH9m3E+eGHl4b
TLSH T1A505C1E39DEC9D92F4BF99F9D008C0BC02964EBEA71D8A0368E73C8B75507C51A52D16
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e
Verdict:
Suspicious activity
Analysis date:
2022-07-08 12:19:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/30b45295-bcf5-4217-a0af-6ae7cf86f4e8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62c821336ee6df015bc121d0/reports/3b937fd2-8d7b-459a-b4b6-b2ebea322b3b/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/22931fbb-d89b-452d-acfc-ac2120aec09c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1027199
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 659694 Sample: 6Ub1kJeXV6 Startdate: 08/07/2022 Architecture: WINDOWS Score: 100 31 www.filipkaarrtofffers.online 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 11 6Ub1kJeXV6.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\6Ub1kJeXV6.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 6Ub1kJeXV6.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.caitlinmemorial.com 154.36.222.31, 49829, 80 COGENT-174US United States 18->33 35 www.sxp89app.space 18->35 37 www.sellmorecrm.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 mstsc.exe 18->22         started        signatures11 process12 signatures13 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:
xloader
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Link:
https://mwdb.cert.pl/sample/bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-06-27 02:01:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6h7zxzpa5sbqg3mb4y2gykbwbuzusrpyhvxa4uplrbnzubuneha._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:ssmm loader rat
Link:
https://tria.ge/reports/220708-phra4acddn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
a085cc0414093a69fe8a5109da41e79192b55473c5ef4e7f723d7414aa2406a3
MD5 hash:
85b4f6ec5d06bff0b8d14dff8d68f2d1
SHA1 hash:
d3b2cf6e30521ce30823e80f6f9dc6325fc82e71
Detections:
win_formbook_g0
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win_formbook_auto
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XLoader
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Link:
https://www.unpac.me/results/b4775ef9-5543-424a-8540-a800baa38761/
Parent samples :
4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231
151572bec6e274bad481a8c0736a4888931c086f3fdf890be9811eae7c0c0c36
6b8466213cfa2d7f120183906a80aea5a5212c2da8c2ae9e2611cfb236b26817
7a1593a118811d3d4cdc85354b0d3cf4fd6b03fd4cc601392eb3a5372b4ae96f
7674b1787be3b12b07beaa2c2c82514a3c1e3d462e084f79c12cced99392b64b
aa992dc346d4da6630521bedd5c35c4f0c3ee2b7d118374b29a344e6fca96586
fab7efa769554cd5b6116b3f662c995aab4d54727f294cc842d4b07c921358d6
76ea1701d0adb2eca57550db609cbd372c9a5e85e40eab412cbba4ffe90e4b75
774e7baca6802b4d8cf3df0fd6162e1bac6dbfb5a4e50f09bc2d7c9e166b285e
4faae449552b88aec5358a81a7b24616d07d5002d0eeb4a9797ca38798f7144b
b3d7318934eff89f2847b40ff8a0cabc47510bf9fffe21b3c64e59a9ebcc8faa
2cdbcb8ec339711a3c5b4198c5360b4e606cdd1183019d73a10d54a829685563
fc8d8aae87bbcd5429e5f9389f80eeee170d696382f52942eea70ca82efbaeae
27b2b539c061e496c1baa6ff071e6ce1042ae4d77d398fd954ae1a62f9ad3885
467c0c7de63d27d7f72dada972546de08e4b8f590467babf1f7f9bc03e948ba2
54b9a3740468ce0736c3ef889c789460dc2f9b4c63209f6bbde7bf4e6b694d84
bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/b4775ef9-5543-424a-8540-a800baa38761/
SH256 hash:
05cb7b19113a7bdee2b8a7c2b85110d91bb7e42f89317bc808ecb170174b024a
MD5 hash:
c21adb7cdd4b6bea8e4a4f15e849dd7e
SHA1 hash:
0a70a64fbc5c7d011d6c2786d3b37e2a08d2f768
Link:
https://www.unpac.me/results/b4775ef9-5543-424a-8540-a800baa38761/
SH256 hash:
bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e
MD5 hash:
689bd82b0c68e4a07bbb83cc377201e9
SHA1 hash:
40645a876b2ffbdae11e7dd61050dafe513d0a24
Link:
https://www.unpac.me/results/b4775ef9-5543-424a-8540-a800baa38761/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf8ffcdf2f07/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e

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:meth_get_eip
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Author:Willi Ballenthin
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.

Comments