MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b. 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


RecordBreaker


Vendor detections: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b
SHA3-384 hash: 0ac42fc5f68e22482ee71fc99b2e4e1aed2d597b10fa73a011b68aaa38ca633ee2f8cec09998430c18308d68d4fade41
SHA1 hash: d2f6dba2cdbbd2675f82fbfa62dee7115158bfb9
MD5 hash: 1a35df4d953c7c7f011f4a03bb047d47
humanhash: north-fourteen-chicken-table
File name:1a35df4d953c7c7f011f4a03bb047d47.exe
Download: download sample
Signature RecordBreaker
Create hunting rule
File size:228'352 bytes
First seen:2023-10-11 05:41:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1779cddf5976b55ff16f4e4d4c8ed385 (2 x Tofsee, 2 x RecordBreaker, 2 x Smoke Loader)
ssdeep 3072:HXpXmbVOfni3ylom62SkAvRHN84LYkWA96g5sbgTzTyh:3tMVqi3YHVsRVYK96RMTzT
Threatray 37 similar samples on MalwareBazaar
TLSH T1C324CF217982C8B3C44643388824CAF4B57ABC729A59B98737A83F6F7D313527767325
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 1070c09030341000 (1 x RecordBreaker, 1 x Smoke Loader)
Reporter abuse_ch
Tags:exe recordbreaker


Avatar
abuse_ch
RecordBreaker C2:
http://93.185.166.154/

Intelligence

File Origin
# of uploads :
1
# of downloads :
332
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a35df4d953c7c7f011f4a03bb047d47.exe
Verdict:
Malicious activity
Analysis date:
2023-10-11 05:43:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c26a5cc8-4c01-448e-bf7b-4081f0586d1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/453112/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/652635ab1e07d7e1e9beb832/reports/6528d53e-a8e6-4fdd-b55c-c7aa9ea9de6f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/983468d2-2a6b-46a4-acc7-0a243c85db43
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1323458
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1323458 Sample: u0jt9KIaLt.exe Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 21 wirtshauspost.at 2->21 25 Found malware configuration 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus detection for URL or domain 2->29 31 4 other signatures 2->31 7 u0jt9KIaLt.exe 2->7         started        10 gticgwr 2->10         started        signatures3 process4 signatures5 33 Detected unpacking (changes PE section rights) 7->33 35 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->35 37 Maps a DLL or memory area into another process 7->37 39 Creates a thread in another existing process (thread injection) 7->39 12 explorer.exe 4 3 7->12 injected 41 Multi AV Scanner detection for dropped file 10->41 43 Machine Learning detection for dropped file 10->43 45 Checks if the current machine is a virtual machine (disk enumeration) 10->45 process6 dnsIp7 23 wirtshauspost.at 2.180.10.7, 49747, 49748, 49749 TCIIR Iran (ISLAMIC Republic Of) 12->23 17 C:\Users\user\AppData\Roaming\gticgwr, PE32 12->17 dropped 19 C:\Users\user\...\gticgwr:Zone.Identifier, ASCII 12->19 dropped 47 System process connects to network (likely due to code injection or exploit) 12->47 49 Benign windows process drops PE files 12->49 51 Deletes itself after installation 12->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->53 file8 signatures9
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-11 05:42:06 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mylbtpxf26zmtedsbvsf27ppbhb54qnjmswmnxohpbtlryudun5q._file
Verdict:
malicious
Similar samples:
201fb0901529270bdf56cb9d8d432a28040be664d49e041f4a7c88b8ec5150b6
RecordBreaker
46ac0ab158fc001e4dca1d72667b8302470526bb97c0832f7ce2c0814943a667
RecordBreaker
4fde35f203cdacb88a85df5622b3b0b4e3f572c616b124c007d6158534d36896
RecordBreaker
6a6aeffae09bf99332b3641d39606ebc0d6ae27d4502df6fa3cfe93ce7e3736e
RecordBreaker
806345cafc7b457a4db43eb7872e1366cada2f75eba357874498368d22591b1a
RecordBreaker
8282c76d3fbe900b90d4cc171b116191362effd2ca851d3552742aabbf77ecf9
RecordBreaker
9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc
RecordBreaker
b94fbe4609f164fb43bcf2a48b07b1306d8444e78b35791a5bfafa79bad53472
RecordBreaker
f1e65ef292a881bcd0b8bb82bc9f386cf78195ad04a4c139b55f359a5aa1f0c5
RecordBreaker
f787d409487f3708c014ad8ab5165251b7ac2d621afa2d2ec54c8477e67fca3e
RecordBreaker
+ 27 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub4 backdoor trojan
Link:
https://tria.ge/reports/231011-gd1d7sef68/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://wirtshauspost.at/tmp/
http://msktk.ru/tmp/
http://soetegem.com/tmp/
http://gromograd.ru/tmp/
http://talesofpirates.net/tmp/
Unpacked files
SH256 hash:
1841ba0efee1c1739a985c5ce8ba50499b1d9a3998179f8c60cad37de06e94cf
MD5 hash:
e160632d3059af565697d32002485b5a
SHA1 hash:
b3a5839301c9cd4fefec03d8468bf84cb61451a3
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/d92165e8-cac5-4853-956b-55252182931a/
Parent samples :
ed3d3c7ea2def6256c7c068239abf27ad41589859675386a391dbb30b07eb57c
6a302e65ae3cd7ceb6a94b2753f1a3223b189355eecbe443b0fd45722a495f48
661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b
f3690441d255e923934221ee1e394f3536a11ce793d34c6466ce7a29e2577857
19119a6c77015d4648fb38250614b86fd3f6ffd5e1b4ebc457eef2f90db46e6a
99063294db6384dbe30caa07b0dccca9a8c62276f2987d0c643d0ea7bb8b4ff2
ed5858af8476036c1914ff346745b794c74a98bbb2fa8edba77bfc497a6471a8
35416fc3b1be5d63574fab368830e544a73a1dd15a6b68f0859f85f2097d7355
212f3f74cd96e2e08855fabc350bd0e96af86c025eebfcec8a9b78d153b70985
359c7a9295f5c54a78cde6981f6637e134fc7a23819e80f928ea805bcf98430f
898a57544bdfbaac62372f1b7bc63610750c0f377c66c372e34909e6c5f474c5
SH256 hash:
661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b
MD5 hash:
1a35df4d953c7c7f011f4a03bb047d47
SHA1 hash:
d2f6dba2cdbbd2675f82fbfa62dee7115158bfb9
Link:
https://www.unpac.me/results/d92165e8-cac5-4853-956b-55252182931a/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/661619bee5d7/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/661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

RecordBreaker

Executable exe 661619bee5d7b2c990720d645d7def09c3de41a964acc6ddc77866b8e283a37b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2712503/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/453112/

Comments