MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cab3a395f0da98681e97fe13c2d17415d49be182f5eb8719a5f260afbd150b8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cab3a395f0da98681e97fe13c2d17415d49be182f5eb8719a5f260afbd150b8
SHA3-384 hash: a9b6a79bb171b1b2640e62540b5760167f5b731bfff3a5a5b26164d77e79a3a60fb95b02471effcc0c525c90c75ad1a6
SHA1 hash: dd609e4ba07407e38b568b29a5d425cf74630ee4
MD5 hash: 5fba600f248106e4a87cc4307776cf77
humanhash: sixteen-pluto-artist-comet
File name:5fba600f248106e4a87cc4307776cf77
Download: download sample
Signature Formbook
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File size:749'568 bytes
First seen:2021-09-22 06:32:31 UTC
Last seen:2021-09-22 10:03:57 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:OmBxA91Ugj0rQBheLR3PzUuNGgyeaIaOqe48lUvbswRg1C/olrj9o3uEwIepHEwq:O2I0QkLxzUuBymrqeHSN
Threatray 8'114 similar samples on MalwareBazaar
TLSH T1B9F46B9D325076EFC917C976CAA82C64EA2174BB530BD203A01716ED9E0DA97DF142F3
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1 Balance_PI Dt. 21.9.2021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-09-22 05:57:06 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/850468b5-4cc1-4a2e-91d2-d194edb2e7e2

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/190082/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.31502.1118.UNOFFICIAL
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Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7855fe9c-266f-4ebe-8722-ed0cb75fdf52
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/855373
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Suspicious Svchost Process
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: 487804 Sample: TnLEr6P3LG Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 37 www.dear.services 2->37 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 7 other signatures 2->49 10 TnLEr6P3LG.exe 3 2->10         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\TnLEr6P3LG.exe.log, ASCII 10->35 dropped 61 Tries to detect virtualization through RDTSC time measurements 10->61 63 Injects a PE file into a foreign processes 10->63 14 TnLEr6P3LG.exe 10->14         started        17 TnLEr6P3LG.exe 10->17         started        19 TnLEr6P3LG.exe 10->19         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 21 wlanext.exe 14->21         started        24 explorer.exe 14->24 injected 27 svchost.exe 1 14->27         started        29 autofmt.exe 14->29         started        process9 dnsIp10 51 Self deletion via cmd delete 21->51 53 Modifies the context of a thread in another process (thread injection) 21->53 55 Maps a DLL or memory area into another process 21->55 57 Tries to detect virtualization through RDTSC time measurements 21->57 39 benimofis.com 188.132.176.4, 49802, 80 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 24->39 41 www.benimofis.com 24->41 59 System process connects to network (likely due to code injection or exploit) 24->59 31 cmd.exe 1 27->31         started        signatures11 process12 process13 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cab3a395f0da98681e97fe13c2d17415d49be182f5eb8719a5f260afbd150b8/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-09-22 06:33:22 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3c75184f86f6231ed38be583a300e5af220f5d68654ea1fd56c833f333d0a589
Formbook
4236f52cf6fd6ea644ed667c05d524e7b60b4ce69767eb89b4c1113701ad5867
Formbook
434837e7ca89c0c7a55c3b1611dbc172440b8808e938e3a192f65405dd9cafa3
Formbook
5ab04b5ba9a19d2a4dfc092111c6df39710e8ee7f0f731243dfb4bd8e1728853
Formbook
d80d29653891c1d84ba6b72e1eaafefd78700646859bcaa7ded2fc1e2fbafce4
Formbook
+ 8'104 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cmsr rat spyware stealer trojan
Link:
https://tria.ge/reports/210922-ha7jsabgd7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.odysseysailingsantorini.com/cmsr/
Unpacked files
SH256 hash:
01a38699b9233d3820076fc48b4c51fc2b05ffe267e0e8d35d49c46807bf4ce2
MD5 hash:
1ec6d90667c4b8276f3b0d9a256eb2a5
SHA1 hash:
b03444c137cedde1028f883dcafc29bfea992ac7
Link:
https://www.unpac.me/results/c044f7ec-1106-41d0-a609-2da4ec0859ce/
SH256 hash:
1cab3a395f0da98681e97fe13c2d17415d49be182f5eb8719a5f260afbd150b8
MD5 hash:
5fba600f248106e4a87cc4307776cf77
SHA1 hash:
dd609e4ba07407e38b568b29a5d425cf74630ee4
Link:
https://www.unpac.me/results/c044f7ec-1106-41d0-a609-2da4ec0859ce/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/1cab3a395f0da98681e97fe13c2d17415d49be182f5eb8719a5f260afbd150b8

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
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 1cab3a395f0da98681e97fe13c2d17415d49be182f5eb8719a5f260afbd150b8

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1639053/
Cape
Cape
https://www.capesandbox.com/analysis/190082/

Comments


Avatar
zbet commented on 2021-09-22 06:32:32 UTC

url : hxxp://103.133.108.160/document/rundll32.exe