MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7a39b838a56c986ed29d3f028612d90b25d163c4d8f0b38428045585d0b6080. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 6 File information Comments 1

SHA256 hash: a7a39b838a56c986ed29d3f028612d90b25d163c4d8f0b38428045585d0b6080
SHA3-384 hash: 1aa03360d1d23d890ee54c07692d025ec1122b2588cbae03a3d0285538071deb1d9d9f4c99e245873b909fdc547d7d75
SHA1 hash: bb1fd47e37c2daff99b68b259878cc10d454cc8f
MD5 hash: 43a3fd725902a36fcab3b9b50c881ca7
humanhash: mobile-beer-don-jersey
File name:43a3fd725902a36fcab3b9b50c881ca7
Download: download sample
File size:1'361'920 bytes
First seen:2021-11-21 22:39:33 UTC
Last seen:2021-11-22 01:43:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:PRWwfFV5KsQCJ0FJ2nzqR/liv7F+sRv+n7qrlm+PNFzsJ3V/WJjNfLR:PRWYFfgCmFJ2nSdivp+Gv+n7q5HPNF0G
Threatray 2'510 similar samples on MalwareBazaar
TLSH T1335523127B559F12F83FDB384E51098063FCFA22D732C68E3C9952DD7992B40CE89962
Reporter zbetcheckin
Tags:32 exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
43a3fd725902a36fcab3b9b50c881ca7
Verdict:
Malicious activity
Analysis date:
2021-11-21 22:41:24 UTC
Tags:
trojan loader

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

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Launching a process
Using the Windows Management Instrumentation requests
Searching for the window
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
76 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 525952 Sample: 9qdNbwq3nn Startdate: 21/11/2021 Architecture: WINDOWS Score: 76 58 Multi AV Scanner detection for dropped file 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 .NET source code contains potential unpacker 2->62 64 2 other signatures 2->64 8 9qdNbwq3nn.exe 15 3 2->8         started        13 Windows NetService.exe 14 3 2->13         started        15 Windows NetService.exe 2 2->15         started        17 Windows NetService.exe 2->17         started        process3 dnsIp4 48 160.20.147.90, 49770, 49774, 49779 COMBAHTONcombahtonGmbHDE Germany 8->48 50 cdn.discordapp.com 162.159.129.233, 443, 49769, 49777 CLOUDFLARENETUS United States 8->50 52 192.168.2.1 unknown unknown 8->52 46 C:\Users\user\AppData\...\9qdNbwq3nn.exe.log, ASCII 8->46 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Injects a PE file into a foreign processes 8->68 19 9qdNbwq3nn.exe 3 8->19         started        22 9qdNbwq3nn.exe 8->22         started        54 162.159.135.233, 443, 49773 CLOUDFLARENETUS United States 13->54 24 Windows NetService.exe 13->24         started        26 Windows NetService.exe 15->26         started        56 162.159.130.233, 443, 49841 CLOUDFLARENETUS United States 17->56 28 Windows NetService.exe 17->28         started        file5 signatures6 process7 file8 42 C:\Users\user\...\Windows NetService.exe, PE32 19->42 dropped 44 C:\...\Windows NetService.exe:Zone.Identifier, ASCII 19->44 dropped 30 schtasks.exe 1 19->30         started        32 schtasks.exe 1 24->32         started        34 schtasks.exe 26->34         started        process9 process10 36 conhost.exe 30->36         started        38 conhost.exe 32->38         started        40 conhost.exe 34->40         started       
Threat name:
ByteCode-MSIL.Spyware.Solmyr
Status:
Malicious
First seen:
2021-11-21 13:55:19 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Downloads MZ/PE file
Executes dropped EXE
Unpacked files
SH256 hash:
a7a39b838a56c986ed29d3f028612d90b25d163c4d8f0b38428045585d0b6080
MD5 hash:
43a3fd725902a36fcab3b9b50c881ca7
SHA1 hash:
bb1fd47e37c2daff99b68b259878cc10d454cc8f
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Encoded_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious encoded URL to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Web download

Executable exe a7a39b838a56c986ed29d3f028612d90b25d163c4d8f0b38428045585d0b6080

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-21 22:39:36 UTC

url : hxxp://154.16.148.95/myblog/posts/279.exe