MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af60109268a951cfdc2841dca40c755add994bff880ec34bba832182119c48a2. 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



StealthWorker


Vendor detections: 9


Intelligence 9 IOCs 1 YARA File information Comments

SHA256 hash: af60109268a951cfdc2841dca40c755add994bff880ec34bba832182119c48a2
SHA3-384 hash: 42600b6aca5ee84a976e0b56173eff1e90894781822b1ba809be9100e41d933eb4a81a6adb4fda35d06d3be74cef42ff
SHA1 hash: 3760aa4062ea7ecc9cb0db01fd6b119f71a892f0
MD5 hash: 0ef11d95ce195cb49efa5bfb435ac0e2
humanhash: batman-video-zebra-yellow
File name:0ef11d95ce195cb49efa5bfb435ac0e2.exe
Download: download sample
Signature StealthWorker
File size:284'160 bytes
First seen:2021-08-21 18:55:36 UTC
Last seen:2021-08-21 20:00:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ad1c5bf15a899fcfef408e3485448e67 (11 x RedLineStealer, 2 x StealthWorker, 2 x Smoke Loader)
ssdeep 6144:eSmwhAheKvIrO5I7LW+Pske1B6xUpjNqSnV7BqzX:1hAheIIr17TPskePSINqSnZ4X
Threatray 1'034 similar samples on MalwareBazaar
TLSH T160549E20B6A0C138E4F311F4596DE3AD6929BDB06B2050CB73D62ADE97372E4DD30697
dhash icon ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter abuse_ch
Tags:exe StealthWorker


Avatar
abuse_ch
StealthWorker C2:
194.26.29.184:8888

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.26.29.184:8888 https://threatfox.abuse.ch/ioc/192543/

Intelligence


File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0ef11d95ce195cb49efa5bfb435ac0e2.exe
Verdict:
No threats detected
Analysis date:
2021-08-21 18:56:38 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Creating a process from a recently created file
Deleting of the original file
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 469239 Sample: hmijsgNBkP.exe Startdate: 21/08/2021 Architecture: WINDOWS Score: 100 26 Multi AV Scanner detection for domain / URL 2->26 28 Found malware configuration 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 4 other signatures 2->32 6 hmijsgNBkP.exe 2->6         started        9 jritbtb 2->9         started        process3 signatures4 34 Detected unpacking (changes PE section rights) 6->34 36 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 6->36 38 Maps a DLL or memory area into another process 6->38 40 Creates a thread in another existing process (thread injection) 6->40 11 explorer.exe 2 6->11 injected 42 Multi AV Scanner detection for dropped file 9->42 44 Machine Learning detection for dropped file 9->44 46 Checks if the current machine is a virtual machine (disk enumeration) 9->46 process5 dnsIp6 20 atvcampingtrips.com 123.215.94.239, 49704, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 11->20 22 renatazarazua.com 11->22 24 4 other IPs or domains 11->24 16 C:\Users\user\AppData\Roaming\jritbtb, PE32 11->16 dropped 18 C:\Users\user\...\jritbtb:Zone.Identifier, ASCII 11->18 dropped 48 System process connects to network (likely due to code injection or exploit) 11->48 50 Benign windows process drops PE files 11->50 52 Deletes itself after installation 11->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->54 file7 signatures8
Threat name:
Win32.Trojan.Fragtor
Status:
Malicious
First seen:
2021-08-21 14:04:10 UTC
AV detection:
23 of 46 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:xmrig botnet:fd34ae8fb78d0554aa7caf12c271e01efb3342f6 backdoor discovery evasion infostealer miner spyware stealer themida trojan
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
Raccoon
RedLine
RedLine Payload
SmokeLoader
xmrig
Malware Config
C2 Extraction:
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
193.38.55.57:7575
Unpacked files
SH256 hash:
18cd8e90fcd46329480f24d43baa489683b3ee2fcd274bf1714947ef307a6ab2
MD5 hash:
f2fecf6872ad4c61a3a506159fddd4fc
SHA1 hash:
28e039eb96dcf58841992280c66433a2bbab8e84
SH256 hash:
af60109268a951cfdc2841dca40c755add994bff880ec34bba832182119c48a2
MD5 hash:
0ef11d95ce195cb49efa5bfb435ac0e2
SHA1 hash:
3760aa4062ea7ecc9cb0db01fd6b119f71a892f0
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

StealthWorker

Executable exe af60109268a951cfdc2841dca40c755add994bff880ec34bba832182119c48a2

(this sample)

  
Delivery method
Distributed via web download

Comments