MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6661c7dfc25b987700331560cc15150bc5f4f80f6f836916f08fd402c4a65539. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 6661c7dfc25b987700331560cc15150bc5f4f80f6f836916f08fd402c4a65539
SHA3-384 hash: 3b6759f21434b639cec8fee09b6021877020ef45fcaa66818d9dab634027e3d5051df008892005e7c5bacb0b512657e5
SHA1 hash: 37064e000c0e706508e01f8974891cfd54a9dfdc
MD5 hash: 44a4161c75d501cc7b8ba6d1b3364f25
humanhash: jersey-maine-golf-oregon
File name:44a4161c75d501cc7b8ba6d1b3364f25.exe
Download: download sample
Signature Smoke Loader
File size:163'328 bytes
First seen:2021-07-20 12:32:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c0421ed5a83b160afea7e603167f846a (1 x RaccoonStealer, 1 x Smoke Loader, 1 x RedLineStealer)
ssdeep 3072:zzkU2RODa8/at/HnGh0kLJDwXyWpbbL1u:srOD4/HgLyXBp/o
TLSH T186F39D1076E1C432E5F70A3058F5C6A16A3FBDA2B968450B36943BDF2E712C15ABE313
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
44a4161c75d501cc7b8ba6d1b3364f25.exe
Verdict:
No threats detected
Analysis date:
2021-07-20 12:37:51 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Amadey SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
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
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 451336 Sample: 3KB34rV9wH.exe Startdate: 20/07/2021 Architecture: WINDOWS Score: 100 69 amaad100.com 2->69 85 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->85 87 Antivirus detection for URL or domain 2->87 89 Multi AV Scanner detection for dropped file 2->89 91 6 other signatures 2->91 11 3KB34rV9wH.exe 2->11         started        14 jdigfrd 2->14         started        16 rgbux.exe 2->16         started        18 rgbux.exe 2->18         started        signatures3 process4 signatures5 125 Detected unpacking (changes PE section rights) 11->125 127 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->127 129 Maps a DLL or memory area into another process 11->129 131 Creates a thread in another existing process (thread injection) 11->131 20 explorer.exe 5 11->20 injected 133 Multi AV Scanner detection for dropped file 14->133 135 Machine Learning detection for dropped file 14->135 137 Checks if the current machine is a virtual machine (disk enumeration) 14->137 process6 dnsIp7 71 5.39.221.61, 49733, 49744, 80 HOSTKEY-ASNL Netherlands 20->71 73 custom100.ru 91.92.109.175, 49732, 49735, 80 NETERRA-ASBG Bulgaria 20->73 57 C:\Users\user\AppData\Roaming\jdigfrd, PE32 20->57 dropped 59 C:\Users\user\AppData\Local\Temp\FF0E.exe, PE32 20->59 dropped 61 C:\Users\user\...\jdigfrd:Zone.Identifier, ASCII 20->61 dropped 93 System process connects to network (likely due to code injection or exploit) 20->93 95 Benign windows process drops PE files 20->95 97 Injects code into the Windows Explorer (explorer.exe) 20->97 99 3 other signatures 20->99 25 FF0E.exe 4 20->25         started        29 explorer.exe 12 20->29         started        32 explorer.exe 20->32         started        34 4 other processes 20->34 file8 signatures9 process10 dnsIp11 67 C:\Users\user\AppData\Local\...\rgbux.exe, PE32 25->67 dropped 109 Multi AV Scanner detection for dropped file 25->109 111 Detected unpacking (changes PE section rights) 25->111 113 Detected unpacking (overwrites its own PE header) 25->113 123 2 other signatures 25->123 36 rgbux.exe 1 18 25->36         started        81 custom100.ru 29->81 115 System process connects to network (likely due to code injection or exploit) 29->115 117 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->117 119 Tries to steal Mail credentials (via file access) 29->119 121 Tries to harvest and steal browser information (history, passwords, etc) 32->121 41 WerFault.exe 34->41         started        file12 signatures13 process14 dnsIp15 75 900ama.com 87.120.37.96, 49740, 49741, 49742 NETERRA-ASBG Bulgaria 36->75 77 192.168.2.1 unknown unknown 36->77 79 2 other IPs or domains 36->79 63 C:\Users\user\AppData\Local\Temp\a_upd.exe, PE32 36->63 dropped 65 C:\Users\user\AppData\Local\...\a_upd[1].exe, PE32 36->65 dropped 101 Multi AV Scanner detection for dropped file 36->101 103 Detected unpacking (changes PE section rights) 36->103 105 Detected unpacking (overwrites its own PE header) 36->105 107 2 other signatures 36->107 43 a_upd.exe 36->43         started        46 cmd.exe 1 36->46         started        48 schtasks.exe 1 36->48         started        file16 signatures17 process18 signatures19 139 Multi AV Scanner detection for dropped file 43->139 141 Detected unpacking (changes PE section rights) 43->141 143 Detected unpacking (overwrites its own PE header) 43->143 145 Machine Learning detection for dropped file 43->145 50 reg.exe 1 46->50         started        53 conhost.exe 46->53         started        55 conhost.exe 48->55         started        process20 signatures21 83 Creates an undocumented autostart registry key 50->83
Threat name:
Win32.Trojan.Injuke
Status:
Malicious
First seen:
2021-07-19 07:50:41 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Verdict:
suspicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:amadey family:smokeloader backdoor persistence trojan
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Deletes itself
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Amadey
SmokeLoader
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
http://custom100.ru/
http://other191.com/
http://custom300.com/
http://600other.com/
ama529.ru/gBcskbwWs/index.php
amaad100.com/gBcskbwWs/index.php
900ama.com/gBcskbwWs/index.php
Unpacked files
SH256 hash:
59a8c31f25c2b35785dc416f8eeee5bb50e444914713b0d430199b90a13294ac
MD5 hash:
842c41d0f26b4014c78f1036d9bfc7ef
SHA1 hash:
d7aca102e15fd73cda121481f25c1e5c8fe8d2c1
SH256 hash:
6661c7dfc25b987700331560cc15150bc5f4f80f6f836916f08fd402c4a65539
MD5 hash:
44a4161c75d501cc7b8ba6d1b3364f25
SHA1 hash:
37064e000c0e706508e01f8974891cfd54a9dfdc
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

Smoke Loader

Executable exe 6661c7dfc25b987700331560cc15150bc5f4f80f6f836916f08fd402c4a65539

(this sample)

  
Delivery method
Distributed via web download

Comments