MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88feb136758292f8412f0762f63bdcc3f2be6aa5c62d595cd752e3f697483687. 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


Sage


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88feb136758292f8412f0762f63bdcc3f2be6aa5c62d595cd752e3f697483687
SHA3-384 hash: 601665a9f5e272c230bff680fb7da1eed30cca3e2134454fef39cfe2eea402bc977ed77706af23121144804f8d851b76
SHA1 hash: da329fcc66dd52334aa60a3e27846c94c2b53cf9
MD5 hash: 129db667f4a6d7a8a289ba8cdbc50095
humanhash: juliet-tango-july-zebra
File name:88feb136758292f8412f0762f63bdcc3f2be6aa5c62d595cd752e3f697483687
Download: download sample
Signature Sage
Create hunting rule
File size:441'856 bytes
First seen:2020-07-29 07:20:56 UTC
Last seen:2020-07-29 07:53:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c0a1f138d1ba75f1325200c059da3006 (2 x Sage)
ssdeep 6144:F3ZlJhIXg2Hpbu2Gp7cJPJJNyhMlQNiM2i9mxH8hCMoptJk7xBk9ab10d:newKpbu2ccJPJ7C9M80Mo+7Y9aOd
Threatray 75 similar samples on MalwareBazaar
TLSH F894BF22F790A260C1B80471075D4BF356B97C6056308A7BA7F87F2F9A782916D93B4F
Reporter JAMESWT_WT
Tags:Sage

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Sage
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34375/
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
Creating a file
Moving a recently created file
Changing a file
Searching for the window
Creating a file in the %AppData% subdirectories
Deleting volume shadow copies
Stealing user critical data
Creating a file in the mass storage device
Enabling autorun with the shell\open\command registry branches
Enabling autorun with Startup directory
Deleting of the original file
Encrypting user's files
Result
Threat name:
Sage
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401579
Signature
Changes the wallpaper picture
Checks for kernel debuggers (COM1)
Deletes itself after installation
Deletes shadow drive data (may be related to ransomware)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found Tor onion address
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Potential evasive VBS script found (sleep loop)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Sage
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253043 Sample: Cg83SnQuwm Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Yara detected Sage 2->56 58 Machine Learning detection for sample 2->58 60 3 other signatures 2->60 8 Cg83SnQuwm.exe 4 7 2->8         started        12 Rj3fNWF3.exe 1 2->12         started        process3 file4 46 C:\Users\user\AppData\Roaming\Rj3fNWF3.exe, PE32 8->46 dropped 62 Detected unpacking (changes PE section rights) 8->62 64 Detected unpacking (overwrites its own PE header) 8->64 66 Checks for kernel debuggers (COM1) 8->66 14 Rj3fNWF3.exe 7 85 8->14         started        18 Cg83SnQuwm.exe 1 8->18         started        20 wscript.exe 8->20         started        22 schtasks.exe 1 8->22         started        24 Rj3fNWF3.exe 12->24         started        signatures5 process6 file7 48 C:\Users\user\DownloadsbehaviorgraphNLQNHOLWB.mp3..., COM 14->48 dropped 50 C:\Users\user\Desktop\...\SNIPGPPREP.pdf..., COM 14->50 dropped 70 Detected unpacking (changes PE section rights) 14->70 72 Detected unpacking (overwrites its own PE header) 14->72 74 Potential evasive VBS script found (sleep loop) 14->74 80 4 other signatures 14->80 26 Rj3fNWF3.exe 1 14->26         started        29 vssadmin.exe 14->29         started        31 vssadmin.exe 14->31         started        35 5 other processes 14->35 76 Checks for kernel debuggers (COM1) 18->76 78 Deletes itself after installation 20->78 33 conhost.exe 22->33         started        signatures8 process9 dnsIp10 68 Checks for kernel debuggers (COM1) 26->68 38 conhost.exe 29->38         started        40 conhost.exe 31->40         started        52 192.168.2.1 unknown unknown 35->52 42 conhost.exe 35->42         started        44 conhost.exe 35->44         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88feb136758292f8412f0762f63bdcc3f2be6aa5c62d595cd752e3f697483687/
Threat name:
Win32.Ransomware.SageCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 16:34:52 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
26 of 48 (54.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rd7lcntvqkjpqqjpa5rpmo64ypzl42vfyywvsxgxklr7nf2ig2dq._file
Verdict:
malicious
Similar samples:
0e1019001a39b29913a504d7c8d209116449420ddbdc6e2966efeea45651a842
Sage
146fb5b594f6b9da202cd0d303548afb1f364ca93c27c44e2f442b1fe26ff77f
Sage
19a05417793c14ee11b2ca7c32f96cbf70f15cae8b26aec7c2e3fc3c0a0f94e7
Sage
3800d6c5cbe76acb00e60a5486f50a38dcbc5cbc16b0000572240ab97af31797
Sage
4bf23d6f5145191391a89a02336dfc640a5432327bf2582a91c52bbcd4410422
Sage
594af48b4da21f654d0ceadede4257865f96d9ae3b1f2ef4a96298a9385c7b2c
Sage
8fecf056f3580282cdb101c01e354425f208656fb7e5c5dcad19c64a62197184
Sage
929dea381136f491a6b9e291182835ab8d9b190614fed258d744cac0939aada4
Sage
a5716cbebec21624db3a37b22dc8dc0c0ffe420dd928380057790a6c5516cb3c
Sage
d14863ede83e63102ae3484d2c51cd2cac622e89b89c09097902fa91f3edcd7a
Sage
+ 65 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware persistence
Link:
https://tria.ge/reports/200729-196dv3ct8x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Interacts with shadow copies
Modifies Control Panel
Modifies registry class
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Interacts with shadow copies
Modifies Control Panel
Modifies service
Sets desktop wallpaper using registry
Modifies service
Sets desktop wallpaper using registry
JavaScript code in executable
JavaScript code in executable
Loads dropped DLL
Deletes itself
Deletes itself
Executes dropped EXE
Modifies extensions of user files
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Deletes shadow copies
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/88feb136758292f8412f0762f63bdcc3f2be6aa5c62d595cd752e3f697483687

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:Destructive_Ransomware_Gen1
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/34375/

Comments