MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ed83928e3ee46e2bfdd24cf49a4f0dd49f70911df7c0c6c740ed9b7a407b8d6. 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 3 File information Comments
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SHA256 hash: 4ed83928e3ee46e2bfdd24cf49a4f0dd49f70911df7c0c6c740ed9b7a407b8d6
SHA3-384 hash: 8b0c655dc73825318041e7de0d9c78b488b9e00f82341f88e659bd99c6f57ef9ddbd4cd6d6f44116934b9efd194d1ae2
SHA1 hash: 541804cb1ab784246db25dc68e3e59bd5851c3f3
MD5 hash: 79fa65abebd0db7d22ee16fa6c78dcdf
humanhash: cup-floor-ink-tango
File name:Invoice DT & Bank Details.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:577'536 bytes
First seen:2022-06-28 05:53:11 UTC
Last seen:2022-06-28 06:56:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kld/sN2sN/qWjsZ5uEzUkqKS353IUJlNI7XJMh7K/PVi:km/W5pUftGgI76cXVi
TLSH T1C1C4DF003A5CF650D56ECB34D16185F002B55C4FFA72E61BAEE73E8E7479B029223A76
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 GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283772/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ba977dfb0f8ab808925db6/reports/6ccd5909-9f7c-4835-b8c8-dcfb3a74854c/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f791ed68-1459-4a92-be94-8bd18166dff2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1020905
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 653402 Sample: Invoice DT & Bank Details.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 38 www.direct-fin.com 2->38 40 www.waikerielimestone.store 2->40 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 8 other signatures 2->52 11 Invoice DT & Bank Details.exe 3 2->11         started        signatures3 process4 file5 30 C:\...\Invoice DT & Bank Details.exe.log, ASCII 11->30 dropped 14 Invoice DT & Bank Details.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 6 14->17 injected process8 dnsIp9 32 www.meditacionsudamerica.com 103.76.87.41, 49769, 80 ANCHGLOBAL-AS-APAnchnetAsiaLimitedHK China 17->32 34 svopenhome.com 44.233.92.83, 49765, 80 AMAZON-02US United States 17->34 36 3 other IPs or domains 17->36 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses ipconfig to lookup or modify the Windows network settings 17->44 21 ipconfig.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ed83928e3ee46e2bfdd24cf49a4f0dd49f70911df7c0c6c740ed9b7a407b8d6/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-06-28 02:51:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j3mdskhd5zdofp65ethutjhq3ve7ocir356ay3dub3m3pjahxdla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:pt7b loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220628-glvtpafden/
Behaviour
Enumerates system info in registry
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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
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:
171c8b9ce7d7c255624ccd4a1ae45def2861464fa50995ac52a293b71c1ca993
MD5 hash:
e7fe1eea1dc4de2328315b18e146e824
SHA1 hash:
3f55995689966bef8a93c3199446a056b67114d3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/dfb89bc6-94a7-4974-b795-f9b208681298/
Parent samples :
29aa4a83531782ba498851e7e970fd61eb1433ac2773a8ed935c7b4db77e52d6
10344deea8974df548286d351431390d1ba3b36349afc2101348a0ea023af31d
4ed83928e3ee46e2bfdd24cf49a4f0dd49f70911df7c0c6c740ed9b7a407b8d6
SH256 hash:
c642d2c8d7151970eb26d3a98666ba1a7f5c5079dcb0f149ffde38d6e99596ff
MD5 hash:
c6cfc46b24d82fe142fa407d463bf98f
SHA1 hash:
75ce68594616c87db4441338acf8cb2249d4c7a6
Link:
https://www.unpac.me/results/dfb89bc6-94a7-4974-b795-f9b208681298/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/dfb89bc6-94a7-4974-b795-f9b208681298/
SH256 hash:
4ed83928e3ee46e2bfdd24cf49a4f0dd49f70911df7c0c6c740ed9b7a407b8d6
MD5 hash:
79fa65abebd0db7d22ee16fa6c78dcdf
SHA1 hash:
541804cb1ab784246db25dc68e3e59bd5851c3f3
Link:
https://www.unpac.me/results/dfb89bc6-94a7-4974-b795-f9b208681298/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4ed83928e3ee/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/4ed83928e3ee46e2bfdd24cf49a4f0dd49f70911df7c0c6c740ed9b7a407b8d6

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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 4ed83928e3ee46e2bfdd24cf49a4f0dd49f70911df7c0c6c740ed9b7a407b8d6

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/283772/

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