MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38b7a5626e00ff148782f6726d11dfabee44922c40bac65a09eaf0b2a44e4c65. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38b7a5626e00ff148782f6726d11dfabee44922c40bac65a09eaf0b2a44e4c65
SHA3-384 hash: 9157519563661d0007eca405c5c32e53efaadc999e3c59437cf317f039b4e0e1207bab0ddf71ec23730c313dae576047
SHA1 hash: 5ee0b659b29646b01f40eb89c38f63f96dac9978
MD5 hash: c7cda00215a9747d2a6142919bd45227
humanhash: sodium-michigan-king-illinois
File name:c7cda00215a9747d2a6142919bd45227
Download: download sample
Signature Formbook
Create hunting rule
File size:1'475'072 bytes
First seen:2021-08-13 20:49:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ipKqKvbIzrjF/Tzacdea0At2J6oSYKBgwJYtXt93IiT2fXek/HmUVpX69EV4lm:ipKFjIVzPeaJvZLYtXt95T2fXevO9
Threatray 4'663 similar samples on MalwareBazaar
TLSH T1D665D63C29B92627D07AD375CBE59827F4449CAF3151BDA4A4CA73660372B5239C323E
dhash icon e4b8b878fcdcf9f0 (9 x Formbook, 5 x AgentTesla, 4 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c7cda00215a9747d2a6142919bd45227
Verdict:
Malicious activity
Analysis date:
2021-08-13 20:52:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/52330d5d-4f0a-41ab-a10c-773a8d44a57c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/179089/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59996.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.995-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48527510-0460-4d3a-a767-c4d3ae36c9a3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832662
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 465093 Sample: hu3fkyvz5Y Startdate: 13/08/2021 Architecture: WINDOWS Score: 100 43 www.gtja899.com 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 7 other signatures 2->57 11 hu3fkyvz5Y.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\dGLrjEWnv.exe, PE32 11->35 dropped 37 C:\Users\...\dGLrjEWnv.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp5FCA.tmp, XML 11->39 dropped 41 C:\Users\user\AppData\...\hu3fkyvz5Y.exe.log, ASCII 11->41 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 11->63 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 hu3fkyvz5Y.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 hu3fkyvz5Y.exe 11->20         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        process9 dnsIp10 45 www.massageshanghuntsville.com 199.34.228.176, 49749, 80 WEEBLYUS United States 22->45 47 thepropertyjunction.com 145.239.252.49, 49742, 80 OVHFR France 22->47 49 9 other IPs or domains 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 61 Performs DNS queries to domains with low reputation 22->61 28 control.exe 22->28         started        signatures11 process12 signatures13 67 Modifies the context of a thread in another process (thread injection) 28->67 69 Maps a DLL or memory area into another process 28->69 71 Tries to detect virtualization through RDTSC time measurements 28->71 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38b7a5626e00ff148782f6726d11dfabee44922c40bac65a09eaf0b2a44e4c65/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-13 20:50:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ac18a14f9f6bc187d707c10800aca93298b7ca07bdf43994875ff8d93f6d01b
Formbook
19b682f4983833b4f3670a22763a06cad7476076ea99a6800e7dbc8732431fd8
Formbook
4afb539f79059c70d141775ea9d479cfd95bbe4d6ef900c996cee8262a166bfc
Formbook
54ab4a1cdce2eb6cac3d05ca5eb317a247a6b5e9164d8c1067f1601953ec8729
Formbook
62df68b2db0b080a2e963f0c082b5df7b15819032e11fbe5e9dfcfb8d143f61e
Formbook
e5ffe75fc564d7a8aaabd188868910ddfc90cf64862f1af80a56c306e9b2e762
Formbook
+ 4'653 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:i7dg loader rat
Link:
https://tria.ge/reports/210813-dsyxnmk21s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.pdam-lebak.com/i7dg/
Unpacked files
SH256 hash:
21d8f0deb2e7484ca5c4cd43bdd63538ec1e6b9b709df3d0a436372a1a9f4e4b
MD5 hash:
b71b8a70ea5a819f7614abdc483dc3f9
SHA1 hash:
48913f80d6a0b8fec65ec07f2df52612cde55059
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/955e9587-9e44-4671-a5f6-4be11dbd7e40/
Parent samples :
38b7a5626e00ff148782f6726d11dfabee44922c40bac65a09eaf0b2a44e4c65
d1f6a233ac2f32b294aab2fbab59ffea7747cbe238fc12efa7e8d4bf064ffea9
61b0520ff97d02ed6ede17c12be0d96d37bac631502cc8b03a82af4726c81fdf
72a5e8f896e2a7586c854d068b07f6b5f8684a09aeefaece1bab8e78fe582766
d3eccc66ef4ba0da8d9f673433468d218bc98858bc08955ea2383a53766517e5
d5a7586f6a1a178492ba5fdcde2f901aa2c9b51a3740368e6bec77fa9476ab00
8b5810ee2da1dcec5e8f06f1b56bbdeee77cdc6628289218789fc185e1ecfcf6
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/955e9587-9e44-4671-a5f6-4be11dbd7e40/
SH256 hash:
b1fa172b406b754e5247d1ae842c10eef7dc97c7bdbff74ddd96deff5a05f1c5
MD5 hash:
aee829d6ebd384574ce712ba2a89a573
SHA1 hash:
0f0fc9848050437147eef24b1373cffce4ab2cc4
Link:
https://www.unpac.me/results/955e9587-9e44-4671-a5f6-4be11dbd7e40/
SH256 hash:
38b7a5626e00ff148782f6726d11dfabee44922c40bac65a09eaf0b2a44e4c65
MD5 hash:
c7cda00215a9747d2a6142919bd45227
SHA1 hash:
5ee0b659b29646b01f40eb89c38f63f96dac9978
Link:
https://www.unpac.me/results/955e9587-9e44-4671-a5f6-4be11dbd7e40/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/38b7a5626e00/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/38b7a5626e00ff148782f6726d11dfabee44922c40bac65a09eaf0b2a44e4c65

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: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.

Web download

Formbook

Executable exe 38b7a5626e00ff148782f6726d11dfabee44922c40bac65a09eaf0b2a44e4c65

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/179089/
  
URLhaus
https://urlhaus.abuse.ch/url/1531653/

Comments


Avatar
zbet commented on 2021-08-13 20:49:56 UTC

url : hxxp://3.8.133.103/www/refno3.exe