MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3373c6354b48cdf08854a6a4aea2a1195b5f033671bae06fd5c4b393b41f62b. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3373c6354b48cdf08854a6a4aea2a1195b5f033671bae06fd5c4b393b41f62b
SHA3-384 hash: f90f13e6e5aa3efa857bfdae0b4e26068f62a06e58a63aff62a0587c2c6fc3c40c0bde6f47e7b5186c04d8b8c4bf8811
SHA1 hash: 84999c9a830e8a9b7c6e006fcc930b9ed5ee9b40
MD5 hash: e736a25ca9b69fe604356c69c378d3ba
humanhash: leopard-early-earth-lactose
File name:e736a25ca9b69fe604356c69c378d3ba.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:221'696 bytes
First seen:2021-12-11 06:49:39 UTC
Last seen:2021-12-11 08:31:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b2616be51073ac1efb3a25b718df0d5a (2 x RedLineStealer, 1 x Smoke Loader)
ssdeep 6144:ybELzkdpVcvKeZkR3X0jVb7ITsqXigad:ybEPkdgSwK3gJ7R
TLSH T1FC249DC172E2C4B1C1A27E7058609AE50E7BBC22D632581BF37CE7AE1F763D09566316
File icon (PE):PE icon
dhash icon fcfcd4d4d4d4d8c0 (75 x RedLineStealer, 56 x RaccoonStealer, 23 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e736a25ca9b69fe604356c69c378d3ba.exe
Verdict:
No threats detected
Analysis date:
2021-12-11 06:51:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/36c628fe-b0c9-4c0f-9941-42eb0354bb2c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/213280/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.14210.3715.23653.UNOFFICIAL
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:
  3/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1611/overview
Behaviour
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61b44a224d8e6f3a5e212c75/reports/0c1070f3-67a2-462b-bf36-079f57cfbd3a/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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/50e0ea46-3c59-4572-afed-99c3ebb5084e
Result
Threat name:
RedLine SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905656
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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)
Connects to many ports of the same IP (likely port scanning)
Contain functionality to detect virtual machines
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to infect the boot sector
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)
Hides threads from debuggers
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
Multi AV Scanner detection for submitted file
PE file has nameless sections
Query firmware table information (likely to detect VMs)
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 sandboxes and other dynamic analysis tools (window names)
Tries to evade analysis by execution special instruction which cause usermode exception
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 538134 Sample: jPda372R5f.exe Startdate: 11/12/2021 Architecture: WINDOWS Score: 100 34 rcacademy.at 2->34 58 Found malware configuration 2->58 60 Antivirus detection for URL or domain 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 9 other signatures 2->64 8 jPda372R5f.exe 2->8         started        11 ifgirus 2->11         started        signatures3 process4 signatures5 66 Detected unpacking (changes PE section rights) 8->66 68 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->68 70 Maps a DLL or memory area into another process 8->70 72 Creates a thread in another existing process (thread injection) 8->72 13 explorer.exe 8 8->13 injected 74 Multi AV Scanner detection for dropped file 11->74 76 Machine Learning detection for dropped file 11->76 78 Checks if the current machine is a virtual machine (disk enumeration) 11->78 process6 dnsIp7 38 unicupload.top 37.0.10.226, 49824, 80 WKD-ASIE Netherlands 13->38 40 cdn-147.anonfiles.com 195.96.151.41, 443, 49841 UTA-ASAT unknown 13->40 42 11 other IPs or domains 13->42 26 C:\Users\user\AppData\Roaming\ifgirus, PE32 13->26 dropped 28 C:\Users\user\AppData\Local\Temp\C761.exe, PE32 13->28 dropped 30 C:\Users\user\AppData\Local\Temp\A216.exe, PE32 13->30 dropped 32 2 other malicious files 13->32 dropped 80 System process connects to network (likely due to code injection or exploit) 13->80 82 Benign windows process drops PE files 13->82 84 Deletes itself after installation 13->84 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->86 18 C761.exe 2 13->18         started        21 77B9.exe 13->21         started        23 A216.exe 2 13->23         started        file8 signatures9 process10 dnsIp11 44 Multi AV Scanner detection for dropped file 18->44 46 Detected unpacking (changes PE section rights) 18->46 48 Query firmware table information (likely to detect VMs) 18->48 56 5 other signatures 18->56 50 Detected unpacking (overwrites its own PE header) 21->50 52 Machine Learning detection for dropped file 21->52 54 Contains functionality to infect the boot sector 21->54 36 195.133.47.114, 38627, 49845 SPD-NETTR Russian Federation 23->36 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3373c6354b48cdf08854a6a4aea2a1195b5f033671bae06fd5c4b393b41f62b/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-12-10 18:56:12 UTC
File Type:
PE (Exe)
Extracted files:
55
AV detection:
30 of 45 (66.67%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:redline family:smokeloader backdoor discovery infostealer persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/211211-hlznbaahc2/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry key
Runs net.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Modifies RDP port number used by Windows
Sets DLL path for service in the registry
UPX packed file
Grants admin privileges
RedLine
RedLine Payload
SmokeLoader
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/
195.133.47.114:38627
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
fff1b918442d22465bb7b3303f0e6570623711de250a2ceb164ece2d1656233b
MD5 hash:
c8a39349b64ff5753fc8f10de5d3f7a8
SHA1 hash:
42fc1a3a257903eed416ca4342c6df0c906a40a0
Link:
https://www.unpac.me/results/2cd6242e-c2ce-44d8-8550-5eacbf974641/
SH256 hash:
a3373c6354b48cdf08854a6a4aea2a1195b5f033671bae06fd5c4b393b41f62b
MD5 hash:
e736a25ca9b69fe604356c69c378d3ba
SHA1 hash:
84999c9a830e8a9b7c6e006fcc930b9ed5ee9b40
Link:
https://www.unpac.me/results/2cd6242e-c2ce-44d8-8550-5eacbf974641/
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/a3373c6354b48cdf08854a6a4aea2a1195b5f033671bae06fd5c4b393b41f62b

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 a3373c6354b48cdf08854a6a4aea2a1195b5f033671bae06fd5c4b393b41f62b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/213280/
  
URLhaus
https://urlhaus.abuse.ch/url/1868668/
  
Delivery method
Distributed via web download

Comments