MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcfd181e8143ae4b31ae3d289b57113fdc67449735acd5d459a358766f401035. 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: dcfd181e8143ae4b31ae3d289b57113fdc67449735acd5d459a358766f401035
SHA3-384 hash: 4176f1f4f9ece2d519f8308922a63537e316da341b9f7478f621071b2eb5e167abf07e14c253e628ed33e671104924a0
SHA1 hash: 9f9b5551877ab792aedb2e6b89a61ce779566ae5
MD5 hash: ca7b5f2ec232fadefa0af01ae3cba9be
humanhash: ack-item-virginia-thirteen
File name:ca7b5f2ec232fadefa0af01ae3cba9be
Download: download sample
Signature Formbook
Create hunting rule
File size:642'048 bytes
First seen:2021-10-07 09:03:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:nh5koU+5zaPd8993hVaJyWF8XaMEiu5ANqxI9TBr+7X054Jd:h5kd+liaFNWqXMKNqe9drUk5U
Threatray 10'081 similar samples on MalwareBazaar
TLSH T138D41268037B5B14EE7583F56D3CE2A223B9A422111CC3B84F98B4BD7E277749AD0653
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ca7b5f2ec232fadefa0af01ae3cba9be
Verdict:
Suspicious activity
Analysis date:
2021-10-07 10:00:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/446f93d3-d822-40dd-96a5-8969107a42ac

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/195746/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615eb80ae3d213d202b9a1bb/reports/67591c4b-cdc7-4483-afd3-ed11fbc68e3c/overview
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/866269
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 498699 Sample: 9LjOeq9jnl Startdate: 07/10/2021 Architecture: WINDOWS Score: 100 36 www.lakearrowheadescape.com 2->36 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 6 other signatures 2->50 11 9LjOeq9jnl.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\9LjOeq9jnl.exe.log, ASCII 11->34 dropped 70 Tries to detect virtualization through RDTSC time measurements 11->70 15 9LjOeq9jnl.exe 2 11->15         started        17 9LjOeq9jnl.exe 11->17         started        signatures6 process7 process8 19 9LjOeq9jnl.exe 15->19         started        signatures9 52 Modifies the context of a thread in another process (thread injection) 19->52 54 Maps a DLL or memory area into another process 19->54 56 Sample uses process hollowing technique 19->56 58 Queues an APC in another process (thread injection) 19->58 22 wscript.exe 19->22         started        25 explorer.exe 19->25 injected process10 dnsIp11 60 Self deletion via cmd delete 22->60 62 Modifies the context of a thread in another process (thread injection) 22->62 64 Maps a DLL or memory area into another process 22->64 66 Tries to detect virtualization through RDTSC time measurements 22->66 28 cmd.exe 1 22->28         started        38 www.qumpan.com 46.38.243.234, 49839, 80 NETCUP-ASnetcupGmbHDE Germany 25->38 40 www.flex-aportelabels.com 62.233.121.61, 49830, 80 IOMART-ASGB United Kingdom 25->40 42 2 other IPs or domains 25->42 68 System process connects to network (likely due to code injection or exploit) 25->68 30 autofmt.exe 25->30         started        signatures12 process13 process14 32 conhost.exe 28->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dcfd181e8143ae4b31ae3d289b57113fdc67449735acd5d459a358766f401035/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 02:29:00 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82
Formbook
2728dc98fdebc00823b877eba49ace782c17db8a07074634aafca9dc00277776
Formbook
4633bc441c059884886be83a8733f355d933b58db80f81c0a56404bceadf9667
Formbook
591f1f8b00c0eb6b24da2646904aabaf9ee6e6dcc735cf533bb4c1ccdf9e1f60
Formbook
73db754f5e709731e9c07c230fa6512ee75e07184c367e3f80b1bf646e7b72da
Formbook
9fd253b8d45e4204580e7277bb43bdf115b796a722ecc7afc20cad8c75dc3d60
Formbook
c18d5baf727358a8635a51fc7cfb4c3f4c90c78abcecf051feb4540323e98746
Formbook
cd2eaa79448009041ecc926c273b4d483bccaf7c2cd39624082c3e13d55408a1
Formbook
eafdeb6ac0b1bd6f065c70b3b2892bf04c6d5d674751e64b7583ba13ddf6ebd5
Formbook
f0537b93c3ac221e4efe9d5835845b4930529890472272b0b0f8db2bf1d4ca5b
Formbook
+ 10'071 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:shjn loader rat
Link:
https://tria.ge/reports/211007-k1nkpscddj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.anamentor.com/shjn/
Unpacked files
SH256 hash:
9fd253b8d45e4204580e7277bb43bdf115b796a722ecc7afc20cad8c75dc3d60
MD5 hash:
ea7b66c47877294f9390eb621963295b
SHA1 hash:
c74112369935b1b254fed401d450c3532889fc94
Link:
https://www.unpac.me/results/0eeb6f2f-7baf-4c77-ab49-7af3e7f5a521/
SH256 hash:
6cc9685b3e4d051b317b5e31b04306342a35a17902e08750521c92dd48802202
MD5 hash:
f19bd02e8a678e7ce2dff40f4415bf9f
SHA1 hash:
94a406e1739d23fbf40f6b588d95d500aa47866d
Link:
https://www.unpac.me/results/0eeb6f2f-7baf-4c77-ab49-7af3e7f5a521/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/0eeb6f2f-7baf-4c77-ab49-7af3e7f5a521/
SH256 hash:
dcfd181e8143ae4b31ae3d289b57113fdc67449735acd5d459a358766f401035
MD5 hash:
ca7b5f2ec232fadefa0af01ae3cba9be
SHA1 hash:
9f9b5551877ab792aedb2e6b89a61ce779566ae5
Link:
https://www.unpac.me/results/0eeb6f2f-7baf-4c77-ab49-7af3e7f5a521/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/dcfd181e8143/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/dcfd181e8143ae4b31ae3d289b57113fdc67449735acd5d459a358766f401035

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: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.

Web download

Formbook

Executable exe dcfd181e8143ae4b31ae3d289b57113fdc67449735acd5d459a358766f401035

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1659305/
Cape
Cape
https://www.capesandbox.com/analysis/195746/

Comments


Avatar
zbet commented on 2021-10-07 09:03:32 UTC

url : hxxp://3.123.20.242/www1/wap-02.exe