MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93
SHA3-384 hash: d41345c8e3b9cf4050cc09a731a795aa801a4f37d0308167a205a119bca5433a113944af5e296e8b1c71b2ec4c41a078
SHA1 hash: 561eef1bd4ac98a329a301b6b3b471b792d1e52f
MD5 hash: 496ae0e6d2f28a0598ef4cab69b175c7
humanhash: mexico-wolfram-timing-spring
File name:TNT Original Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:718'848 bytes
First seen:2022-02-16 18:32:38 UTC
Last seen:2022-02-16 21:01:27 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:XH6asVGf1YP+8xQflGKRAT81CqtbI+3BFoB6mXKgZJaA:XvsUYWOQflGtTXaIWB++dA
Threatray 13'351 similar samples on MalwareBazaar
TLSH T11DE4DFA499FBC8BAC87554BEF421C2041E75EE9F5603F3F6104DB938887C7825A89937
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook TNT

Intelligence

File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242011/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.26048.31979.20587.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/620d4367a2660f3bb9e86864/reports/65105e64-d9f6-48bd-863a-341dd199556a/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/0cdca07a-54cb-41bd-9be6-eebd10d2f450
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941081
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 dnsIp2 2 Behavior Graph ID: 573562 Sample: TNT Original Invoice.exe Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 32 www.cockgirls.com 2->32 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 14 other signatures 2->50 11 TNT Original Invoice.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\...\TNT Original Invoice.exe.log, ASCII 11->30 dropped 64 Injects a PE file into a foreign processes 11->64 15 TNT Original Invoice.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.megamobil.wien 81.19.154.98, 49852, 80 WORLD4YOUAT Austria 18->34 36 lucasdebatintrader.com 192.185.208.110, 49862, 80 UNIFIEDLAYER-AS-1US United States 18->36 38 24 other IPs or domains 18->38 52 System process connects to network (likely due to code injection or exploit) 18->52 54 Performs DNS queries to domains with low reputation 18->54 22 rundll32.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.continiutycp.com 22->40 42 www.5t45urfgurkhgbvkhbuh.com 22->42 56 System process connects to network (likely due to code injection or exploit) 22->56 58 Self deletion via cmd delete 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 2 other signatures 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-16 17:02:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m4fckbqbzrwwn7rusfbye5fuuppgkc3sqnjfzl3jtk35qh7zhojq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
08e2b0e469f2809991e59e65177fe994f3aeeea601a2af8aec6c7ae1406debb0
Formbook
2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac
Formbook
3a1b706adecf798ffa11002e153bad33e9f82e6a9da82f7777c27d2cf7b23b0d
Formbook
3d1c26a55a0b7a502b019b18f4b6e87c1273d3c42a50d20c958d510f530c5f40
Formbook
3e744c3094645bf04cea5756fe54d7b04a32a59bed5d945ac4ccc9b06fb85ef5
Formbook
94517fa5a38b384136a3027f7588daa605494dd888e4658cb89d521f5fb2d55a
Formbook
a6e23730cd711af23e7900cbabb871b668d37a74dda0c97d63f3303167861cf5
Formbook
f777ad0feb1db2da7abb7c793515f7af49d06a7b4fc5904a9da436ccbd59ddc3
Formbook
fa0c54af42af10dbb34626554f789c0d00d392a6bca0017f97babda9e17ef785
Formbook
+ 13'341 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:zqzw loader rat suricata
Link:
https://tria.ge/reports/220216-w665sadcep/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
79ae0b03c7fb13f978ce4d5240f8ac11d7df67fa21d870dd77fc7566685c2ec2
MD5 hash:
b1e1ec5c090c44cf46751f1a1ec609b6
SHA1 hash:
ae8c65bfa078322b1f6ff8fec4361373edaf01a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b2bbcb0a-4ac8-49cc-8c53-0bd58762aa82/
Parent samples :
82ca37f8d0b630ec22f7b60a7ce6e5e8490ca703f240b0db10b2e6e014c5d4ab
e8232a6b14f66804622f2ea2bfd8c2d8bfe5eef292f664c5801844b96a84d125
2a170cc5086a00b41ce8ff4bcf8fce45f85aef342d4cf4d08f018943cc5221ac
fa0c54af42af10dbb34626554f789c0d00d392a6bca0017f97babda9e17ef785
ed99b5652455f1287171fd7d49a5ac69add7ed72a08712d4c66f6474fd094615
08e2b0e469f2809991e59e65177fe994f3aeeea601a2af8aec6c7ae1406debb0
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93
3c6a613507d90d332e2d4d7f91c7c2ef3135e464e5937b1da1a9c4f749528343
c0a5470477f1ef65286a66e14b46c02b71c41eabc473b9885fbe7911844d90b7
SH256 hash:
aa5b65a731b24b8885756b7cb08c10b5fc5a0b3050c7d042cb0987f59f2462e3
MD5 hash:
54acd3332e46be82201bbc3c45de645c
SHA1 hash:
6ab68c516d2bf3484badf3d351d2e2a44b848a1e
Link:
https://www.unpac.me/results/b2bbcb0a-4ac8-49cc-8c53-0bd58762aa82/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/b2bbcb0a-4ac8-49cc-8c53-0bd58762aa82/
SH256 hash:
670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93
MD5 hash:
496ae0e6d2f28a0598ef4cab69b175c7
SHA1 hash:
561eef1bd4ac98a329a301b6b3b471b792d1e52f
Link:
https://www.unpac.me/results/b2bbcb0a-4ac8-49cc-8c53-0bd58762aa82/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/670a250601cc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/670a250601cc6d66fe3491438274b4a3de650b7283525caf699ab7d81ff93b93

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/242011/

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