MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcd35fbd0922e8e4f5cc5ffb481c6f367ec0b13f0f77c406131a8576558ca22a. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcd35fbd0922e8e4f5cc5ffb481c6f367ec0b13f0f77c406131a8576558ca22a
SHA3-384 hash: 34c29229aa5f55375f61853df822753dd0ebbf076289547ac7dd35d3af82e7f08f9cfea52e3b73ce6ac7554335ca41f9
SHA1 hash: bd45e3bea69bece72db9c63a0cf85d6cc9f1e67d
MD5 hash: 2d5e7822817262224b8526f0a63335a6
humanhash: vegan-mockingbird-mike-papa
File name:2d5e7822817262224b8526f0a63335a6.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:139'264 bytes
First seen:2020-12-29 07:36:19 UTC
Last seen:2020-12-29 10:12:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2144f9c12885542d4a4f22de64e840e1 (26 x RedLineStealer, 24 x Smoke Loader, 13 x RaccoonStealer)
ssdeep 3072:8Xh5/+r7Nqv73F1GF6CTAO4Io5/uUK61Ulwmj:W//+1qbKcCsRII/tKRB
Threatray 1'986 similar samples on MalwareBazaar
TLSH 65D301726E07946BC4176AF06E3F5E578C2B30128BA2524EFD029E6058743CDB5C6BCE
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
346
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2d5e7822817262224b8526f0a63335a6.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-29 07:40:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/819e2a23-fa11-4eae-b39e-b1637c1389ea

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/109704/
Detection(s):
PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt to an infection source
Deleting of the original file
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
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.
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/571219
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Binary contains a suspicious time stamp
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found C&C like URL pattern
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 domain / URL
Multi AV Scanner detection for dropped file
Renames NTDLL to bypass HIPS
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 334671 Sample: JgAy8lYP2G.exe Startdate: 29/12/2020 Architecture: WINDOWS Score: 100 85 api.ip.sb 2->85 87 zexaneny.xyz 2->87 89 3 other IPs or domains 2->89 105 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->105 107 Multi AV Scanner detection for domain / URL 2->107 109 Antivirus detection for URL or domain 2->109 111 7 other signatures 2->111 12 JgAy8lYP2G.exe 1 2->12         started        15 ucgdjah 1 2->15         started        signatures3 process4 file5 125 Renames NTDLL to bypass HIPS 12->125 127 Maps a DLL or memory area into another process 12->127 129 Checks if the current machine is a virtual machine (disk enumeration) 12->129 18 explorer.exe 4 12->18 injected 83 C:\Users\user\AppData\Local\Temp\CC4F.tmp, PE32 15->83 dropped 131 Machine Learning detection for dropped file 15->131 133 Creates a thread in another existing process (thread injection) 15->133 signatures6 process7 dnsIp8 91 gamesforconsoles2222.top 5.2.76.209, 49735, 49827, 80 LITESERVERNL Netherlands 18->91 93 vtdilet.com 18->93 95 3 other IPs or domains 18->95 69 C:\Users\user\AppData\Roaming\ucgdjah, PE32 18->69 dropped 71 C:\Users\user\AppData\Local\Temp\5308.exe, PE32 18->71 dropped 73 C:\Users\user\...\ucgdjah:Zone.Identifier, ASCII 18->73 dropped 113 Benign windows process drops PE files 18->113 115 Deletes itself after installation 18->115 117 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->117 23 5308.exe 19 18->23         started        file9 signatures10 process11 dnsIp12 99 gxd3fp7fe7cac6jzn2sac.online 95.181.152.100, 49755, 49756, 49757 MSKHOSTRU Russian Federation 23->99 101 95.181.152.177, 49758, 49759, 49762 MSKHOSTRU Russian Federation 23->101 103 192.168.2.1 unknown unknown 23->103 79 C:\Users\user\AppData\...\nethelper[1].dll, PE32 23->79 dropped 81 C:\ProgramData81etHelper\...\nethelper.dll, PE32 23->81 dropped 121 Multi AV Scanner detection for dropped file 23->121 123 Machine Learning detection for dropped file 23->123 28 cmd.exe 1 23->28         started        30 cmd.exe 1 23->30         started        32 cmd.exe 1 23->32         started        34 cmd.exe 1 23->34         started        file13 signatures14 process15 process16 36 rundll32.exe 15 28->36         started        41 conhost.exe 28->41         started        43 conhost.exe 30->43         started        45 timeout.exe 1 30->45         started        47 conhost.exe 32->47         started        49 reg.exe 1 1 32->49         started        51 conhost.exe 34->51         started        53 reg.exe 1 1 34->53         started        dnsIp17 97 udre3kvzatwrx6ues4p2u.top 94.250.255.61, 49761, 49805, 80 THEFIRST-ASRU Russian Federation 36->97 75 C:\Users\user\AppData\Local\...\nethelper.exe, PE32 36->75 dropped 77 C:\Users\user\AppData\...\nethelper[1].info, PE32 36->77 dropped 119 System process connects to network (likely due to code injection or exploit) 36->119 55 cmd.exe 1 36->55         started        57 cmd.exe 1 36->57         started        59 cmd.exe 1 36->59         started        file18 signatures19 process20 process21 61 conhost.exe 55->61         started        63 schtasks.exe 1 55->63         started        65 conhost.exe 57->65         started        67 conhost.exe 59->67         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcd35fbd0922e8e4f5cc5ffb481c6f367ec0b13f0f77c406131a8576558ca22a/
Threat name:
Win32.Trojan.Zenpack
Create hunting rule
Status:
Malicious
First seen:
2020-12-29 07:37:05 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
suspicious
Similar samples:
0969327fda05101320538ec7c3df4ca3a024fdffc9ff58bcf5570a0960bd9df7
Smoke Loader
32e125f7f3ef9b47abfe0ee4720fe3a06a394471ce98e33a9f9149583ba5f9a2
Smoke Loader
6745aeb1cc8de5e42a94850247ea3d54c65865c95c2492006cf8a7b44da2a961
Smoke Loader
67e8fcfa65a48b5ef7288e91ac8ddab1180cf33150471357485511509955413c
Smoke Loader
856bcc47f2c9617ed7e2c5f702dc5cea6713713da600229b2db076d64f24dfdf
Smoke Loader
a33fba201470062e7411eb129e52102e9ec7150d0d4d46c877aa241d2fef826c
Smoke Loader
a8ae3cb248fb4721b27615276393e430bae895d37794b917f09980bd31c1176c
Smoke Loader
a8d6e8219c6ec6f8284026609f9989fa8caa68e517a239973da19793d1fc2d60
Smoke Loader
caa6e314a8ebbba3eadc8a0cd77e70e794928d24e6be19d7f2891383540440cb
Smoke Loader
e712c96d24277d1104e11fecb574f588c5ea68d4b702dbb2348bc711b845c2b3
Smoke Loader
+ 1'976 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:raccoon family:redline family:smokeloader backdoor discovery infostealer keylogger spyware stealer trojan upx
Link:
https://tria.ge/reports/201229-n6al7ssnh6/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Creates scheduled task(s)
Delays execution with timeout.exe
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Checks installed software on the system
JavaScript code in executable
Deletes itself
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
AgentTesla Payload
SmokeLoader
AgentTesla
Raccoon
RedLine
Malware Config
C2 Extraction:
http://vtdilet.com/upload/
http://netvxi.com/upload/
http://tinnys.monster/upload/
Unpacked files
SH256 hash:
fcd35fbd0922e8e4f5cc5ffb481c6f367ec0b13f0f77c406131a8576558ca22a
MD5 hash:
2d5e7822817262224b8526f0a63335a6
SHA1 hash:
bd45e3bea69bece72db9c63a0cf85d6cc9f1e67d
Link:
https://www.unpac.me/results/837c853f-e97d-40a3-a9c1-4c310cfd6969/
SH256 hash:
27351e4bc13e1ce076c70c4b724f0e3eccde2b9add19161f2fc0e37847ed91a1
MD5 hash:
4a09aa2ca6562996c1bb4b6606c104ce
SHA1 hash:
87b353de5538dbaf53f3f5db7f21519caf376b90
Link:
https://www.unpac.me/results/837c853f-e97d-40a3-a9c1-4c310cfd6969/
SH256 hash:
6f2184dfe083c769ca14dc0cbfee5e2615b180aff2e58c6552a79c11a27c0e91
MD5 hash:
fd3cb401704fd1d4070139d45569b743
SHA1 hash:
6dfad0f23deaae5a3b12e7f90217d9f8a8376509
Link:
https://www.unpac.me/results/837c853f-e97d-40a3-a9c1-4c310cfd6969/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/fcd35fbd0922e8e4f5cc5ffb481c6f367ec0b13f0f77c406131a8576558ca22a

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

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 fcd35fbd0922e8e4f5cc5ffb481c6f367ec0b13f0f77c406131a8576558ca22a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/943588/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/109704/

Comments