MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99. 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: 84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99
SHA3-384 hash: 30c0e33a2af50ee34ab0aef0979657ec0dac6dc7370d89f58ba94789a666010c7096a3675d800a6ea6654b6ce045f831
SHA1 hash: 497088494318951ceda9684916cafed8b49826ff
MD5 hash: 986361816bf25ebb4ec2dcdde741ed41
humanhash: robert-summer-orange-charlie
File name:986361816bf25ebb4ec2dcdde741ed41.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'064'960 bytes
First seen:2021-12-10 08:45:25 UTC
Last seen:2021-12-10 11:20:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:GGixpTsQq1sCZgwWdA6e+4x24/ttw95Qq6hWw:GzxV11CZgC6elx20M95xc
TLSH T13035236537F80BA6EB7A9BFFA81261488736B4077D73E70C6C8121DD4467B14CB42A1B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
091221.doc
Verdict:
Malicious activity
Analysis date:
2021-12-10 08:29:17 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/7e7f6dde-21eb-4202-8540-f6102f2e6a8b

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/213093/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop19.13895.29525.28259.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/61b313cd4d8e6f3a5e1ec82c/reports/767c4314-9513-435e-a6d2-fa8fbfa8383e/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:
Malicious
Link:
https://analyze.intezer.com/analyses/e0d9fbad-c44f-4db1-b351-e978856d251b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905169
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 537644 Sample: lkfgKfQAh3.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 31 www.barongiles.xyz 2->31 33 barongiles.xyz 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 6 other signatures 2->41 11 lkfgKfQAh3.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\lkfgKfQAh3.exe.log, ASCII 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 lkfgKfQAh3.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 cmmon32.exe 18->20         started        signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 2 151 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-10 08:46:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fa83 rat spyware stealer trojan
Link:
https://tria.ge/reports/211210-kpavgafhd3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.nshocam.com/fa83/
Unpacked files
SH256 hash:
180b50344d1b6b506d9832816f7a88ec8a04afe44cc114c1aff99bffe3868bf8
MD5 hash:
85425e1cd507aaf0dd799778f8fe432d
SHA1 hash:
1a26201e8f44fa3efa8b4e78b843445f40616447
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/58977bc9-33b0-439c-ad77-9153dfd6ffc1/
Parent samples :
a75c86c3baabf9dea3dd33fde9e53eb91608ba0466d947ac6f9506de45d099ea
84c2b9e7449d2cf1ec1d43b13a9163e6fe355e3f8d301b34b7930d24f916725a
f1767a23201e1d5d234ead79f84de4a76f789aaa83f920b8cf4e0783f125d17c
ed2f68ce6d715976cfad3c41991685f1a190713626aea55c454da90682aa7ccb
6876e8698f67c2b477c89b891199d3485051a14f52284f39e35a8e8057f53fae
fd7d542aa6e922020e6fb15fc151be03a967ca01b09c75cd267302b873f1a79c
1409ef2f3a8f71bcac7c0e335380f5a804535dba5dca598429298a53aaec9e04
039cb9fe74c15a9ef07f795f41f1a05bf2adad49566c866f94befed5815503e4
54562896613b429de9564f501b6d277537a57dc5d0a9bbaa5260e3ffc055a543
84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99
4ae2cc851969d2bf66879df62acb3860edf32e3224b3a81460fc84ca476cf8e4
a5ad2e2a940e084ddec9db413a6c44a30b6029c8cf2bafb1320d67b1c60280e3
3a536da54a1cdf554d1fe3301c4a7936f889a7c86e166cb081429450e97cd4f6
SH256 hash:
b285d0e24bedf3bcb550b5db1b645cbe4a924e60a6ac7c3fd803ddc55db4d77d
MD5 hash:
67e0634e64229f6e429c589eef3ae63e
SHA1 hash:
55902e0f3f3cf07bd80b21ffd816ddf36463651b
Link:
https://www.unpac.me/results/58977bc9-33b0-439c-ad77-9153dfd6ffc1/
SH256 hash:
9cd82dba6c55d901ac7d7007b7a04a30146ad7c297400d44f9d96b90c5ca25d4
MD5 hash:
d9477c36da677507cd33c6eef325d694
SHA1 hash:
330dc88b5041ca9edf57542f5a30c37eef6f11b1
Link:
https://www.unpac.me/results/58977bc9-33b0-439c-ad77-9153dfd6ffc1/
SH256 hash:
84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99
MD5 hash:
986361816bf25ebb4ec2dcdde741ed41
SHA1 hash:
497088494318951ceda9684916cafed8b49826ff
Link:
https://www.unpac.me/results/58977bc9-33b0-439c-ad77-9153dfd6ffc1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99

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: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.

Web download

Formbook

Executable exe 84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1866451/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/213093/

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