MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57. 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: 9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57
SHA3-384 hash: 7a63046ebcfbed405ad952a0bb4cd5958e72092fb93a3c81b98663664e87a3cfb297b0ca41893670b8fcec49f96b1a50
SHA1 hash: 1eb5136ca9a0c3e37436df8463ec0614558696b3
MD5 hash: 05d7ef75529fa9c96ba3af2b3b8b46cf
humanhash: december-orange-alabama-skylark
File name:05d7ef75529fa9c96ba3af2b3b8b46cf
Download: download sample
Signature Formbook
Create hunting rule
File size:643'120 bytes
First seen:2022-04-06 15:47:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:3H8Ub56F1HURPr45tNIVgbokwQgGZSmXh50IOSwMD8/SM:Nk5o276
Threatray 14'776 similar samples on MalwareBazaar
TLSH T11FD4BB2A38BA100DB272AD6C6BBCB175911EF3F226365C7B0DF7050A15129F0DB9D627
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261393/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
aspnet_compiler.exe control.exe obfuscated overlay packed packed replace.exe
Link:
https://www.filescan.io/uploads/624db63840ce5db9f41ca0cf/reports/0794fa9c-fd2d-4381-bd95-ef6637f51d6a/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7257f9b0-0186-4109-8cc8-56310a670972
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971636
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 604120 Sample: WegGjzNat2 Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 32 www.revolvewsefsu.top 2->32 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 11 WegGjzNat2.exe 1 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\WegGjzNat2.exe.log, ASCII 11->30 dropped 60 Writes to foreign memory regions 11->60 62 Allocates memory in foreign processes 11->62 64 Injects a PE file into a foreign processes 11->64 15 aspnet_compiler.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 2 other signatures 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.dubaicars.online 185.104.45.141, 49797, 80 UKRAINE-ASUA Ukraine 18->34 36 www.chainreaction-au.website 51.195.219.171, 49800, 80 OVHFR France 18->36 38 20 other IPs or domains 18->38 50 System process connects to network (likely due to code injection or exploit) 18->50 22 rundll32.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.kai6agfw.com 22->40 52 System process connects to network (likely due to code injection or exploit) 22->52 54 Modifies the context of a thread in another process (thread injection) 22->54 56 Maps a DLL or memory area into another process 22->56 58 Tries to detect virtualization through RDTSC time measurements 22->58 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/9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-04-06 15:48:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0bd840a10d4463fe31116ce57b0b674a6d10176d910cf7bcd9ba360cfcb9f3a6
Formbook
188ffa0666a74b6ea59802778f06667551b442642dd1eb33cdacc9fbeb7b4120
Formbook
3b3339c5adf6214450652108e3cf3122917319dac8516748884b7f27f42a99ac
Formbook
b0064356457fa098732029fea97f948ca65f40e0848bd55cdd9e26c462b0ee4d
Formbook
d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a
Formbook
+ 14'766 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:foi3 loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220406-s8rlbsegb3/
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 WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Unpacked files
SH256 hash:
7f4524dffa969b1a0a38ae475e39e57f32e12379edbb69131f67d74fe9fa4cb7
MD5 hash:
add956d051187b05f50434cb90567daa
SHA1 hash:
49a592e54833818c611aaf2b4ec14a9365564436
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/024bea71-3516-46ce-9475-772c8c74cc36/
Parent samples :
b0064356457fa098732029fea97f948ca65f40e0848bd55cdd9e26c462b0ee4d
3b3339c5adf6214450652108e3cf3122917319dac8516748884b7f27f42a99ac
0bd840a10d4463fe31116ce57b0b674a6d10176d910cf7bcd9ba360cfcb9f3a6
d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a
9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57
a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d
SH256 hash:
205a8b074d1944410dc201ae9381c80391b4601cf49534fd456e6417462d5aa6
MD5 hash:
9c60ca713fc57649c958f7add79f123b
SHA1 hash:
20b7d446e33ef52b9047485162e967741c94bca1
Link:
https://www.unpac.me/results/024bea71-3516-46ce-9475-772c8c74cc36/
SH256 hash:
9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57
MD5 hash:
05d7ef75529fa9c96ba3af2b3b8b46cf
SHA1 hash:
1eb5136ca9a0c3e37436df8463ec0614558696b3
Link:
https://www.unpac.me/results/024bea71-3516-46ce-9475-772c8c74cc36/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9c5ca29eac3a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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_KB_CERT_65628c146ace93037fc58659f14bd35f
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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 9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2134276/
Cape
Cape
https://www.capesandbox.com/analysis/261393/

Comments


Avatar
zbet commented on 2022-04-06 15:47:11 UTC

url : hxxp://103.138.109.174/save365/vbc.exe