MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1f977415cb0ada91f4a2ba455d315b7a2ca9e7d1a191348fa95edede644a49b. 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


Smoke Loader


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1f977415cb0ada91f4a2ba455d315b7a2ca9e7d1a191348fa95edede644a49b
SHA3-384 hash: 9c9c8cc77488a29d7b5cd2e6a369055ba37decff73e11193d2ae4b14aeb998e322c4f6530b39ad467cbda2fdf78c9ae4
SHA1 hash: defa10e71945081462a05e3e67880d52d39d5c95
MD5 hash: 951d4903cedd287e8b24fe5dfca3d99d
humanhash: music-zebra-stairway-west
File name:951d4903cedd287e8b24fe5dfca3d99d
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:306'176 bytes
First seen:2021-12-18 06:29:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 41c28fe7acb4d2c92a8bad32895fbc24 (7 x RedLineStealer, 4 x ArkeiStealer, 3 x Amadey)
ssdeep 6144:5YWyD5yy2o45qe8E39Bh1Lc+OGTpMm9lpO25n:XyUN8E3nh1Lc+OyMm9lpb1
Threatray 3'168 similar samples on MalwareBazaar
TLSH T1B4549E00A7E0C436F1B712F449B6D3B9A53E7AA16B65A1CF52D516EE0B38AD4EC30317
File icon (PE):PE icon
dhash icon 2dec1378399b9b91 (25 x Smoke Loader, 22 x RedLineStealer, 7 x RaccoonStealer)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
Win.Malware.Sabsik-9916379-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending an HTTP POST request
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/2442/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61bd7ff0ec6c6c14a9df41e3/reports/980c1189-ddd3-48b8-9e54-f5e46a4cfa28/overview
Result
Verdict:
UNKNOWN
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ba7b8634-7e72-4072-a916-2b175408b3cf
Result
Threat name:
RedLine SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/909451
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 541929 Sample: uFb6R9YkJT Startdate: 18/12/2021 Architecture: WINDOWS Score: 100 41 rcacademy.at 2->41 43 www.google.com 2->43 45 10 other IPs or domains 2->45 63 Found malware configuration 2->63 65 Antivirus detection for URL or domain 2->65 67 Yara detected SmokeLoader 2->67 69 8 other signatures 2->69 9 uFb6R9YkJT.exe 2->9         started        12 hefjchv 2->12         started        signatures3 process4 signatures5 81 Detected unpacking (changes PE section rights) 9->81 83 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->83 85 Maps a DLL or memory area into another process 9->85 87 Creates a thread in another existing process (thread injection) 9->87 14 explorer.exe 4 9->14 injected 89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 93 Checks if the current machine is a virtual machine (disk enumeration) 12->93 process6 dnsIp7 49 rcacademy.at 58.235.189.190, 49761, 49764, 49776 SKB-ASSKBroadbandCoLtdKR Korea Republic of 14->49 51 45.9.20.240, 46257, 49827, 49861 DEDIPATH-LLCUS Russian Federation 14->51 53 9 other IPs or domains 14->53 33 C:\Users\user\AppData\Roaming\hefjchv, PE32 14->33 dropped 35 C:\Users\user\AppData\Local\Temp59E.exe, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\Temp\7E87.exe, PE32 14->37 dropped 39 C:\Users\user\...\hefjchv:Zone.Identifier, ASCII 14->39 dropped 55 System process connects to network (likely due to code injection or exploit) 14->55 57 Benign windows process drops PE files 14->57 59 Deletes itself after installation 14->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->61 19 7E87.exe 3 14->19         started        23 E59E.exe 2 14->23         started        file8 signatures9 process10 file11 29 C:\Users\user\AppData\Local\...\7E87.exe.log, ASCII 19->29 dropped 71 Multi AV Scanner detection for dropped file 19->71 73 Machine Learning detection for dropped file 19->73 75 Injects a PE file into a foreign processes 19->75 25 7E87.exe 2 19->25         started        77 Detected unpacking (changes PE section rights) 23->77 79 Detected unpacking (overwrites its own PE header) 23->79 signatures12 process13 dnsIp14 47 86.107.197.138, 38133, 49834 MOD-EUNL Romania 25->47 31 C:\Users\user\AppData\Local\...\ferrari2.exe, PE32 25->31 dropped file15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1f977415cb0ada91f4a2ba455d315b7a2ca9e7d1a191348fa95edede644a49b/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2021-12-18 06:30:13 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wh4xoqk4wcw2sh2kfosfluyvw6rmvht5dimrgsh2sxw63zseusnq._file
Verdict:
malicious
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Smoke Loader
+ 3'158 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:redline family:smokeloader botnet:1 botnet:170 backdoor discovery downloader infostealer spyware stealer suricata trojan
Link:
https://tria.ge/reports/211218-g9ht2afcgn/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks QEMU agent file
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Guloader,Cloudeye
RedLine
RedLine Payload
SmokeLoader
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
http://rcacademy.at/upload/
http://e-lanpengeonline.com/upload/
http://vjcmvz.cn/upload/
http://galala.ru/upload/
http://witra.ru/upload/
86.107.197.138:38133
45.9.20.240:46257
Unpacked files
SH256 hash:
fff1b918442d22465bb7b3303f0e6570623711de250a2ceb164ece2d1656233b
MD5 hash:
c8a39349b64ff5753fc8f10de5d3f7a8
SHA1 hash:
42fc1a3a257903eed416ca4342c6df0c906a40a0
Link:
https://www.unpac.me/results/2aad7891-912d-46d3-9887-4fe69f283f8a/
SH256 hash:
b1f977415cb0ada91f4a2ba455d315b7a2ca9e7d1a191348fa95edede644a49b
MD5 hash:
951d4903cedd287e8b24fe5dfca3d99d
SHA1 hash:
defa10e71945081462a05e3e67880d52d39d5c95
Link:
https://www.unpac.me/results/2aad7891-912d-46d3-9887-4fe69f283f8a/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b1f977415cb0/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/b1f977415cb0ada91f4a2ba455d315b7a2ca9e7d1a191348fa95edede644a49b

File information

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

Web download

Smoke Loader

Executable exe b1f977415cb0ada91f4a2ba455d315b7a2ca9e7d1a191348fa95edede644a49b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/214935/
  
URLhaus
https://urlhaus.abuse.ch/url/1895156/
  
URLhaus
https://urlhaus.abuse.ch/url/1895168/

Comments


Avatar
zbet commented on 2021-12-18 06:29:31 UTC

url : hxxp://viagraintl.com/setup.exe