MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25061f65fd6ccf3ba5ffee1beeae8dde4a05a8e8bee1873010732828111c83c2. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25061f65fd6ccf3ba5ffee1beeae8dde4a05a8e8bee1873010732828111c83c2
SHA3-384 hash: ccef21e424648e68dfa82825b114681208d351bcd347ac41ab954fef733c17a21001fdc10614f93c61140c50c908fb97
SHA1 hash: a5b13f9358ddf9c79da5c20dd592f4683c41d738
MD5 hash: 18714bce5b1f37086bdad9d057a3b09b
humanhash: eighteen-romeo-uniform-dakota
File name:18714bce5b1f37086bdad9d057a3b09b
Download: download sample
Signature Formbook
Create hunting rule
File size:749'056 bytes
First seen:2022-02-18 10:02:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:2+yDENcZy0B9SLyH22qla5w/yXbxXJf16WS1C8ezCPw:q8cA2H0MW/IbxZmCXePw
Threatray 13'642 similar samples on MalwareBazaar
TLSH T15CF49E58DFA11685ECD9863A55F12719135AF970CCCB870F39DC297E83E7B98AF0024A
File icon (PE):PE icon
dhash icon 69d4b26868b2cc71 (23 x Formbook, 6 x SnakeKeylogger, 2 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://107.174.138.144/lod/kam.exe
Verdict:
No threats detected
Analysis date:
2022-02-18 09:16:33 UTC
Tags:
opendir loader
Link:
https://app.any.run/tasks/22194d33-c904-47ed-b497-d92b7ab5ea9d

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/242476/
Detection(s):
SecuriteInfo.com.EXE.Obfus-4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed zilla
Link:
https://www.filescan.io/uploads/620f6ed8875593a3cce433d3/reports/cd2598d9-586b-43b9-9ada-df5b0b6db658/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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/942111
Signature
.NET source code contains potential unpacker
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 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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
Uses ping.exe to check the status of other devices and networks
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574589 Sample: Y5n1Ke3pf4 Startdate: 18/02/2022 Architecture: WINDOWS Score: 100 78 www.xhypxjkc.com 2->78 80 www.omgbell.net 2->80 82 2 other IPs or domains 2->82 100 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->100 102 Found malware configuration 2->102 104 Malicious sample detected (through community Yara rule) 2->104 106 7 other signatures 2->106 11 Y5n1Ke3pf4.exe 1 4 2->11         started        signatures3 process4 file5 70 C:\Users\user\AppData\Local\huss.exe, PE32 11->70 dropped 72 C:\Users\user\...\huss.exe:Zone.Identifier, ASCII 11->72 dropped 74 C:\Users\user\AppData\...\Y5n1Ke3pf4.exe.log, ASCII 11->74 dropped 112 Tries to detect virtualization through RDTSC time measurements 11->112 114 Injects a PE file into a foreign processes 11->114 15 Y5n1Ke3pf4.exe 11->15         started        18 cmd.exe 1 11->18         started        20 cmd.exe 11->20         started        22 8 other processes 11->22 signatures6 process7 signatures8 116 Modifies the context of a thread in another process (thread injection) 15->116 118 Maps a DLL or memory area into another process 15->118 24 explorer.exe 15->24 injected 120 Uses ping.exe to check the status of other devices and networks 18->120 26 PING.EXE 1 18->26         started        29 conhost.exe 18->29         started        31 conhost.exe 20->31         started        33 PING.EXE 1 20->33         started        35 PING.EXE 1 22->35         started        37 PING.EXE 1 22->37         started        39 PING.EXE 1 22->39         started        41 13 other processes 22->41 process9 dnsIp10 43 huss.exe 1 24->43         started        46 huss.exe 1 24->46         started        84 yahoo.com 74.6.143.25 YAHOO-3US United States 26->84 48 PING.EXE 1 31->48         started        51 conhost.exe 31->51         started        86 98.137.11.163 YAHOO-GQ1US United States 35->86 88 98.137.11.164 YAHOO-GQ1US United States 37->88 90 74.6.143.26 YAHOO-3US United States 39->90 92 74.6.231.20 YAHOO-NE1US United States 41->92 94 74.6.231.21 YAHOO-NE1US United States 41->94 96 192.168.2.1 unknown unknown 41->96 process11 dnsIp12 108 Multi AV Scanner detection for dropped file 43->108 110 Machine Learning detection for dropped file 43->110 53 cmd.exe 43->53         started        55 cmd.exe 43->55         started        57 cmd.exe 43->57         started        59 cmd.exe 46->59         started        76 yahoo.com 48->76 signatures13 process14 process15 61 PING.EXE 1 53->61         started        64 conhost.exe 53->64         started        66 conhost.exe 55->66         started        68 conhost.exe 59->68         started        dnsIp16 98 yahoo.com 61->98
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25061f65fd6ccf3ba5ffee1beeae8dde4a05a8e8bee1873010732828111c83c2/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 20:27:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 27 (77.78%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2fd3db9eb65d7a120e24e7245a73e4e88d4b2a7998d82986e8b2e2f20af1d932
Formbook
4f4d0fe769bd9d316323e290ab9116b5dd95eb7ff5842371f4ff54b2bcc1ae66
Formbook
503afb59d8192f6adb3e67db043eeb6459e8ec3fc117ef8e2f6690d5f0c4a12b
Formbook
9bd40dc608fbfece64be8707069dc0284f2b358d2c3a164e326e6e602914d4dc
Formbook
a6e23730cd711af23e7900cbabb871b668d37a74dda0c97d63f3303167861cf5
Formbook
e803c5d292e1684844ff0ac82e76ca90caca1e44e7cd3507ce4ee4507b9d9fb2
Formbook
fae733152e6edb47a0d4ee6e829cf8a349885b7a9223b4ef11de90825f9f05c8
Formbook
+ 13'632 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:8gce loader persistence rat
Link:
https://tria.ge/reports/220218-l3crnacdb8/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
4d0ed5b14bae671f7d15dc87a4dc6beacb011338bca27382ef1c494c1c5de7c5
MD5 hash:
598376f1700c50a12010103e126999eb
SHA1 hash:
257c4a81c3bcc64cf28dc835221a426ec2192e1c
Link:
https://www.unpac.me/results/0db58869-5a01-4442-a13b-ffedad604566/
SH256 hash:
61b73ae59ba797c105c83768d9ffe76a97db7ddabefd126cd96cc79a0a7afacb
MD5 hash:
0f62fdfdad860ef8ef4031c7403de79b
SHA1 hash:
685069ad4c0ce9173a7c221cbe0a2ecad3c4da53
Link:
https://www.unpac.me/results/0db58869-5a01-4442-a13b-ffedad604566/
SH256 hash:
25061f65fd6ccf3ba5ffee1beeae8dde4a05a8e8bee1873010732828111c83c2
MD5 hash:
18714bce5b1f37086bdad9d057a3b09b
SHA1 hash:
a5b13f9358ddf9c79da5c20dd592f4683c41d738
Link:
https://www.unpac.me/results/0db58869-5a01-4442-a13b-ffedad604566/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/25061f65fd6c/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/25061f65fd6ccf3ba5ffee1beeae8dde4a05a8e8bee1873010732828111c83c2

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
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 25061f65fd6ccf3ba5ffee1beeae8dde4a05a8e8bee1873010732828111c83c2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2047444/
Cape
Cape
https://www.capesandbox.com/analysis/242476/

Comments


Avatar
zbet commented on 2022-02-18 10:02:32 UTC

url : hxxp://107.174.138.144/lod/kam.exe