MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dc675e9b3a6a470329ed6d1fe67abaa391cbf5d3fea0942116333f216bbf31f. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4dc675e9b3a6a470329ed6d1fe67abaa391cbf5d3fea0942116333f216bbf31f
SHA3-384 hash: 1f79c816b35b5ae039a82e85d64bad9b612fd0cae41a6de77e3b1240044ad70849c426c7333d5545675b9107fec347a5
SHA1 hash: 0c6dd13633dd07b1f770a2d7901274badad6d6b8
MD5 hash: c7d0c17b4c8d10853148212941eee35d
humanhash: summer-diet-happy-west
File name:TNT Original Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'168'384 bytes
First seen:2022-06-06 11:14:39 UTC
Last seen:2022-06-06 12:04:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Ozcjba613jslfrAbrMN5latzg+tG+MKXlY6:Oc3a613Rm5lMk+zD
TLSH T1F645F71163E92A09F8FA6BA9A935658447BB3DDA693DD31E08DC50CE1F73F408851B33
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
TNT Original Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-06-06 11:38:53 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/2e867720-6f5c-466f-90d4-e349b39585fa

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/276995/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.33076.18926.12223.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/629de1e58e867832d9ddc3dc/reports/73cb6f40-df0b-4ea0-80dc-9bc8e15201eb/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/d10f0705-ca6a-4f37-85c0-8643b8f20282
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007285
Signature
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
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: 639783 Sample: TNT Original Invoice.exe Startdate: 06/06/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AntiVM3 2->36 38 5 other signatures 2->38 10 TNT Original Invoice.exe 3 2->10         started        process3 file4 30 C:\Users\...\TNT Original Invoice.exe.log, ASCII 10->30 dropped 48 Injects a PE file into a foreign processes 10->48 14 TNT Original Invoice.exe 10->14         started        17 TNT Original Invoice.exe 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 14->19 injected process8 process9 21 wlanext.exe 19->21         started        signatures10 40 Self deletion via cmd or bat file 21->40 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        26 explorer.exe 100 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4dc675e9b3a6a470329ed6d1fe67abaa391cbf5d3fea0942116333f216bbf31f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-06-01 13:55:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxdhl2ntu2shamu623i74z5lvi4rzp25h7vasqqrmmz7efv36mpq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:be3s loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220606-nclmzsffe4/
Behaviour
Modifies Internet Explorer settings
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 Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
29a0ea3ad44ceaf000f6c225bbeaf0ba92da1d45edfad65591a0f08925495027
MD5 hash:
cecfc7b1143cf5d32802a878eda7438d
SHA1 hash:
8487c33ccf2296d637afbfe93158e4dcc599321d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/011849f0-5c88-45ae-9c52-1bac6b9e93f1/
Parent samples :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 hash:
2e2739804d15ee014429c4ec23826351c0b0c898174e8e8db3a9e92d5820631a
MD5 hash:
4ce7e04bae7ab3b9ad5a19c9ef176fad
SHA1 hash:
b9236d1d211e272cdaea7ee2913c4916d969a4b8
Link:
https://www.unpac.me/results/011849f0-5c88-45ae-9c52-1bac6b9e93f1/
SH256 hash:
4c0ef803bd9d3dd57313ecd699129289b94d2c0c5343e5fa7d12f70d6903503b
MD5 hash:
a4e1e6c6e0d91907cd70bfd111e02f43
SHA1 hash:
94f4b062f72e81cd415eec6916a2d7cee385060c
Link:
https://www.unpac.me/results/011849f0-5c88-45ae-9c52-1bac6b9e93f1/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/011849f0-5c88-45ae-9c52-1bac6b9e93f1/
SH256 hash:
4dc675e9b3a6a470329ed6d1fe67abaa391cbf5d3fea0942116333f216bbf31f
MD5 hash:
c7d0c17b4c8d10853148212941eee35d
SHA1 hash:
0c6dd13633dd07b1f770a2d7901274badad6d6b8
Link:
https://www.unpac.me/results/011849f0-5c88-45ae-9c52-1bac6b9e93f1/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4dc675e9b3a6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4dc675e9b3a6a470329ed6d1fe67abaa391cbf5d3fea0942116333f216bbf31f

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
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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 4dc675e9b3a6a470329ed6d1fe67abaa391cbf5d3fea0942116333f216bbf31f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276995/

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