MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1409ef2f3a8f71bcac7c0e335380f5a804535dba5dca598429298a53aaec9e04. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1409ef2f3a8f71bcac7c0e335380f5a804535dba5dca598429298a53aaec9e04
SHA3-384 hash: 7beedd0255e89a6fe2092daa06d1b5871c8f624261aa6eaacdfb0e37785a4b45831f27eacc6a6f9ad4fd71f66987e087
SHA1 hash: 6af80213b41ec1447be174f2c9850165667b3241
MD5 hash: df525c48ea9fa49304c09f86143582fc
humanhash: orange-india-wyoming-angel
File name:famzx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'071'104 bytes
First seen:2021-12-08 14:15:21 UTC
Last seen:2021-12-08 15:31:17 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 24576:orD9s2+ZiJyrHENoViUUXmgiUpmG1FByamHF82UGG:orDCxZdHENoVi52V+mG1hWYGG
Threatray 9'845 similar samples on MalwareBazaar
TLSH T14935123D35A7A6CED190127477AE903406AA7C36642BD36DD0DA318F1E37B457A33B82
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
897258.doc
Verdict:
Malicious activity
Analysis date:
2021-12-08 07:55:03 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/f7820669-9488-4424-9cf6-43b47770979c

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/212495/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.1967.9890.3784.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b0be264d8e6f3a5e198e87/reports/8ec111fd-0430-46a9-8a50-6cb6258b95bc/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f20bf57e-3825-4435-b35c-7e825421d069
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/903928
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
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 signatures2 2 Behavior Graph ID: 536402 Sample: famzx.exe Startdate: 08/12/2021 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 7 other signatures 2->44 10 famzx.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\Local\...\famzx.exe.log, ASCII 10->32 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 famzx.exe 10->14         started        17 famzx.exe 10->17         started        19 famzx.exe 10->19         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 21 explorer.exe 14->21 injected process8 dnsIp9 34 www.cyber182.com 104.21.62.145, 49804, 80 CLOUDFLARENETUS United States 21->34 36 www.chat-girls.online 21->36 46 System process connects to network (likely due to code injection or exploit) 21->46 25 msiexec.exe 21->25         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 25->48 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1409ef2f3a8f71bcac7c0e335380f5a804535dba5dca598429298a53aaec9e04/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-07 20:27:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762
Formbook
6876e8698f67c2b477c89b891199d3485051a14f52284f39e35a8e8057f53fae
Formbook
84c2b9e7449d2cf1ec1d43b13a9163e6fe355e3f8d301b34b7930d24f916725a
Formbook
a75c86c3baabf9dea3dd33fde9e53eb91608ba0466d947ac6f9506de45d099ea
Formbook
b66060a214c372ff66b8917fee39b5cb6c82972cf7cdfcd64b9ae4b7b7e01bf7
Formbook
ed2f68ce6d715976cfad3c41991685f1a190713626aea55c454da90682aa7ccb
Formbook
f1767a23201e1d5d234ead79f84de4a76f789aaa83f920b8cf4e0783f125d17c
Formbook
fd7d542aa6e922020e6fb15fc151be03a967ca01b09c75cd267302b873f1a79c
Formbook
+ 9'835 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fa83 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211208-rk5ydaaghm/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
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/1b9a2983-3368-478a-8c5b-ea1ecac35be7/
Parent samples :
a75c86c3baabf9dea3dd33fde9e53eb91608ba0466d947ac6f9506de45d099ea
84c2b9e7449d2cf1ec1d43b13a9163e6fe355e3f8d301b34b7930d24f916725a
f1767a23201e1d5d234ead79f84de4a76f789aaa83f920b8cf4e0783f125d17c
ed2f68ce6d715976cfad3c41991685f1a190713626aea55c454da90682aa7ccb
6876e8698f67c2b477c89b891199d3485051a14f52284f39e35a8e8057f53fae
fd7d542aa6e922020e6fb15fc151be03a967ca01b09c75cd267302b873f1a79c
1409ef2f3a8f71bcac7c0e335380f5a804535dba5dca598429298a53aaec9e04
039cb9fe74c15a9ef07f795f41f1a05bf2adad49566c866f94befed5815503e4
54562896613b429de9564f501b6d277537a57dc5d0a9bbaa5260e3ffc055a543
84f01d9761a5e76774cac6a3a21c50e3b653f725276d32ea3a10d7ec00e14c99
4ae2cc851969d2bf66879df62acb3860edf32e3224b3a81460fc84ca476cf8e4
a5ad2e2a940e084ddec9db413a6c44a30b6029c8cf2bafb1320d67b1c60280e3
3a536da54a1cdf554d1fe3301c4a7936f889a7c86e166cb081429450e97cd4f6
SH256 hash:
63c396114b61e90e3d979e3816f2324c00603c437b5144f23487bdc6766fab28
MD5 hash:
e65f3397737719c9684470a5d2a25aea
SHA1 hash:
a0fd090d7ac03a773a7fdd5da829f23e600252ac
Link:
https://www.unpac.me/results/1b9a2983-3368-478a-8c5b-ea1ecac35be7/
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
Link:
https://www.unpac.me/results/1b9a2983-3368-478a-8c5b-ea1ecac35be7/
SH256 hash:
1409ef2f3a8f71bcac7c0e335380f5a804535dba5dca598429298a53aaec9e04
MD5 hash:
df525c48ea9fa49304c09f86143582fc
SHA1 hash:
6af80213b41ec1447be174f2c9850165667b3241
Link:
https://www.unpac.me/results/1b9a2983-3368-478a-8c5b-ea1ecac35be7/
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/1409ef2f3a8f71bcac7c0e335380f5a804535dba5dca598429298a53aaec9e04

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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/212495/

Comments