MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5
SHA3-384 hash: f83db67fa64aeef65b02e6b85a08809c0a9c09540c5cdab095090658bed31615fee0eae8d9ae86196cf7b43a0ceece19
SHA1 hash: 1b8b36305159d4aac66de01966cebadffc5e865b
MD5 hash: 68c5801a648c472f797ccc63f2539a28
humanhash: aspen-orange-shade-kansas
File name:Quote.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:761'856 bytes
First seen:2021-08-31 13:56:07 UTC
Last seen:2021-09-01 10:25:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:XwL3FBUlVRTL7RNHb815SDRxbioEL7AT2C+INdqQPEwYvjpsl6dK0ycBXMrlMnde:XbpHb0MCQ2CpTqQmvjGAwh3rloR
Threatray 8'763 similar samples on MalwareBazaar
TLSH T1DFF40D7F19BDA127A175C6E58BD38423F0018BAF31216925B6D747164323A7AB4F332E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
5
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote.exe
Verdict:
Malicious activity
Analysis date:
2021-08-31 15:50:03 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b15b609d-9ceb-402c-81e7-81e23b8f554a

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/184230/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader41.54328.28295.27281.UNOFFICIAL
Create hunting rule

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
Unauthorized injection to a system process
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7aebe6d4-0058-435f-902b-fa66cb43f7b7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842671
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 475107 Sample: Quote.exe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 Quote.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\Quote.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 Quote.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 clubscoral.net 188.209.139.34, 49729, 80 DIDEHABNNETIR Iran (ISLAMIC Republic Of) 17->30 32 www.jinmisadiq.com 209.99.40.222, 49725, 49730, 80 CONFLUENCE-NETWORK-INCVG United States 17->32 34 9 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 svchost.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-31 12:16:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5n5wy6fys3ap5enzlckhd3bt6ki6vt3lr4yqx44n2e6sg6nz3sq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
224ddfe0908d9cc2833a8f0f4c28f8a95ba1975cc0e8da5434a8ce17df54f972
Formbook
3638ac885ef63f3b5bfadd95b0f43c34c3854e2483adde873b3d5fca7a831632
Formbook
36dabaa854dac855255b08b096a1fb6cee39f910dfbd2101812a0c5d33b1a983
Formbook
3f389ee6edf6cdec4d0fe9c558f8eeca82b1b76bf3f98ac15308449bf9b8a2d0
Formbook
6d308c2e93c341ef11c0b14420e158fd650c637190a4daedf003ec091e703a85
Formbook
7a498b98c890976c8b3e41264b64571e5c3d70c89633d140a824cab5b29443bb
Formbook
87ad57ffa31e9b3481663bd81249ec1e563dc2931bb4bb2045b06ea7917f1593
Formbook
a1783d0a9f787d819b960b55c8ebfb227459bcb7daab55996720e8279751736f
Formbook
aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda
Formbook
ae80c3c9ddf62e5b9b70e173c55b946db7a41aafee9bd645621157e05e9f95f4
Formbook
+ 8'753 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bqt25 loader rat suricata
Link:
https://tria.ge/reports/210831-g37k3efpza/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.jinmisadiq.com/bqt25/
Unpacked files
SH256 hash:
64b65399d0eaffb74db06fa149c73f43d74a2bcef1846ebcfe2123e39e2f1f67
MD5 hash:
2b6e746da9a57b242137034177846673
SHA1 hash:
ff41d0c14ecc2523a23b742d22d1a110220c75a3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b052617d-3c43-4c8f-af1e-f7fb6fbbabcc/
Parent samples :
3f389ee6edf6cdec4d0fe9c558f8eeca82b1b76bf3f98ac15308449bf9b8a2d0
5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5
8f20faa7f6518392ef652a0bde4cd71a1f693b08d633a6b116e1da4b8b9122f8
5dd7c49d8d8da5f95a33098900d2968aa7d98fd573b42974507030d12f7e17ff
89ca79d155812a91049697409e5a809ea342547154705edde9dfcbb7469c210a
8239bf37b4ea55f7ac1a1e4dbeaef7107b48861ca29815764528b57efc78098d
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
Link:
https://www.unpac.me/results/b052617d-3c43-4c8f-af1e-f7fb6fbbabcc/
SH256 hash:
8ad8bd05fe0c83194cb2c6e456c02c3da5b760599b6de20acb52c8ef3e9a87ae
MD5 hash:
bcf07a675bffc67e2589cd2e48a2f7be
SHA1 hash:
3a1265cf974c7079e6500d126713d187b7a1bcb9
Link:
https://www.unpac.me/results/b052617d-3c43-4c8f-af1e-f7fb6fbbabcc/
SH256 hash:
5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5
MD5 hash:
68c5801a648c472f797ccc63f2539a28
SHA1 hash:
1b8b36305159d4aac66de01966cebadffc5e865b
Link:
https://www.unpac.me/results/b052617d-3c43-4c8f-af1e-f7fb6fbbabcc/
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/5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5

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.

Malspam

Formbook

Executable exe 5f5bdb63c5c4b607f48dcac4a38f619f948f567b5c79885f9c6e89e91bcdcee5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184230/

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