MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7d94673cc8d4e0826a9a240bd1d161b34bec3bea25c036a94df69240015469c. 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



GuLoader


Vendor detections: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: a7d94673cc8d4e0826a9a240bd1d161b34bec3bea25c036a94df69240015469c
SHA3-384 hash: d61995e3222e9b7a1b096b6e3f9fd00521c8e268bd1c80649d559d648fa1160988cd9031a6a88c4ea2d7013dbc54bd96
SHA1 hash: 6942961bab54d82a358acacf39c7ad39b00e7e23
MD5 hash: 73f1d754f5b74906061d0c374a1ee1e1
humanhash: four-saturn-hydrogen-sixteen
File name:MJH.exe
Download: download sample
Signature GuLoader
File size:126'976 bytes
First seen:2021-06-01 13:41:21 UTC
Last seen:2021-06-01 14:46:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 153a31799770099c7b08b378cdd5eb59 (1 x GuLoader)
ssdeep 1536:9KNipDQlK8hgRDMGo0WY4lFPa1P4qrt+iKTUGFE:Iflv+g8/aaRt7PGy
Threatray 1'748 similar samples on MalwareBazaar
TLSH 43C30FCF65A5AC2CE6DE2EF4AC34A48707193C00AB14522F71C8EABDAB705A17DD1717
Reporter James_inthe_box
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MJH.exe
Verdict:
No threats detected
Analysis date:
2021-06-01 13:55:38 UTC
Tags:
n/a

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

Behaviour
Creating a window
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.
Result
Threat name:
Remcos GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Detected Remcos RAT
Found malware configuration
Hides threads from debuggers
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 427716 Sample: MJH.exe Startdate: 01/06/2021 Architecture: WINDOWS Score: 100 49 ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu 2->49 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 5 other signatures 2->61 10 MJH.exe 1 2->10         started        13 vpn.exe 1 2->13         started        15 vpn.exe 1 2->15         started        signatures3 process4 signatures5 73 Contains functionality to detect hardware virtualization (CPUID execution measurement) 10->73 75 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 10->75 77 Tries to detect Any.run 10->77 79 Tries to detect virtualization through RDTSC time measurements 10->79 17 MJH.exe 1 10 10->17         started        81 Hides threads from debuggers 13->81 22 vpn.exe 6 13->22         started        24 vpn.exe 15->24         started        process6 dnsIp7 47 avenuesports.pk 192.185.164.243, 49729, 49732, 49734 UNIFIEDLAYER-AS-1US United States 17->47 41 C:\Users\user\AppData\Roaming\vpn.exe, PE32 17->41 dropped 43 C:\Users\user\...\vpn.exe:Zone.Identifier, ASCII 17->43 dropped 63 Tries to detect Any.run 17->63 65 Hides threads from debuggers 17->65 26 cmd.exe 1 17->26         started        file8 signatures9 process10 signatures11 83 Uses ping.exe to sleep 26->83 85 Uses ping.exe to check the status of other devices and networks 26->85 29 vpn.exe 1 26->29         started        32 PING.EXE 1 26->32         started        35 conhost.exe 26->35         started        process12 dnsIp13 87 Multi AV Scanner detection for dropped file 29->87 89 Contains functionality to detect hardware virtualization (CPUID execution measurement) 29->89 91 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 29->91 93 3 other signatures 29->93 37 vpn.exe 1 7 29->37         started        45 127.0.0.1 unknown unknown 32->45 signatures14 process15 dnsIp16 51 avenuesports.pk 37->51 53 ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu 46.243.207.43, 6932 AS40676US Netherlands 37->53 67 Tries to detect Any.run 37->67 69 Hides threads from debuggers 37->69 71 Installs a global keyboard hook 37->71 signatures17
Threat name:
Win32.Trojan.Scarsi
Status:
Malicious
First seen:
2021-06-01 10:13:01 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Guloader,Cloudeye
Malware Config
C2 Extraction:
http://avenuesports.pk/Sk/Maily%20_remcos_poYYVI175.bin
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.

  
Delivery method
Other

Comments