MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 992dad791a523f2c0a0b5a74c08e5573905f301d8891db0ed6e885face9ef0e2. 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


Phobos


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 992dad791a523f2c0a0b5a74c08e5573905f301d8891db0ed6e885face9ef0e2
SHA3-384 hash: eb8684885c4726e226f70e147570a3b628735e1b5c8e66d8c2dbf95ed6e8eafcfef2027e2426c4e2db26ce0f9b571063
SHA1 hash: bcf0db0e3ea2a96e776f49243d6c1c5080fcc364
MD5 hash: ea0740178ed1d9c298816351d68ee859
humanhash: eight-five-cup-alaska
File name:992dad791a523f2c0a0b5a74c08e5573905f301d8891db0ed6e885face9ef0e2
Download: download sample
Signature Phobos
Create hunting rule
File size:56'832 bytes
First seen:2022-09-30 07:59:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit)
ssdeep 1536:fNeRBl5PT/rx1mzwRMSTdLpJWaCN60YX/:fQRrmzwR5JEc
Threatray 2'685 similar samples on MalwareBazaar
TLSH T15B43C047B46980B1CEB24670293B6F5B4FFE640450B488474F394E9A3FD5172EB293BA
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter petikvx
Tags:exe Phobos Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
566
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315078/
Detection(s):
Win.Ransomware.Ulise-7594403-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a service
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Changing a file
Modifying an executable file
Sending a custom TCP request
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Launching the process to change network settings
Moving a file to the Program Files subdirectory
Launching the process to change the firewall settings
Moving a file to the %AppData% subdirectory
Launching a process
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Enabling autorun for a service
Preventing system recovery
Enabling autorun by creating a file
Infecting executable files
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/40148/overview
Behaviour
MalwareBazaar
SystemUptime
CallSleep
EvasionGetTickCount
CheckMutex
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware packed shell32.dll
Link:
https://www.filescan.io/uploads/6336a204c9e2f343543140c8/reports/4fb1c9f9-e858-4fbe-b169-1ba9c79782da/overview
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.
Malware family:
Phobos Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be4d05d2-b682-4df6-b582-0ac7f585693e
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.spre.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1080716
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates files in the recycle bin to hide itself
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Drops PE files to the startup folder
Found evasive API chain (may stop execution after checking locale)
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Delete shadow copy via WMIC
Uses bcdedit to modify the Windows boot settings
Uses netsh to modify the Windows network and firewall settings
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 713273 Sample: 4pYYjIkrrc.exe Startdate: 30/09/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for dropped file 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 7 other signatures 2->67 7 4pYYjIkrrc.exe 1 264 2->7         started        11 4pYYjIkrrc.exe 2->11         started        13 wbengine.exe 3 2->13         started        15 5 other processes 2->15 process3 file4 47 C:\ProgramData\Microsoft\...\4pYYjIkrrc.exe, PE32 7->47 dropped 49 C:\...\4pYYjIkrrc.exe:Zone.Identifier, ASCII 7->49 dropped 51 desktop.ini.id[3FF...nionmail.org].Elbie, data 7->51 dropped 69 Creates files in the recycle bin to hide itself 7->69 71 Drops PE files to the startup folder 7->71 73 Infects executable files (exe, dll, sys, html) 7->73 17 cmd.exe 1 7->17         started        20 4pYYjIkrrc.exe 2 6 7->20         started        23 cmd.exe 7->23         started        75 Antivirus detection for dropped file 11->75 77 Multi AV Scanner detection for dropped file 11->77 79 Machine Learning detection for dropped file 11->79 81 Found evasive API chain (may stop execution after checking locale) 11->81 83 Creates files inside the volume driver (system volume information) 13->83 signatures5 process6 file7 53 May disable shadow drive data (uses vssadmin) 17->53 55 Deletes shadow drive data (may be related to ransomware) 17->55 57 Uses netsh to modify the Windows network and firewall settings 17->57 59 3 other signatures 17->59 25 bcdedit.exe 8 1 17->25         started        27 bcdedit.exe 7 1 17->27         started        29 conhost.exe 17->29         started        37 3 other processes 17->37 39 C:\Users\user\AppData\...\4pYYjIkrrc.exe, PE32 20->39 dropped 41 C:\Users\user\AppData\Local\4pYYjIkrrc.exe, PE32 20->41 dropped 43 C:\Users\...\4pYYjIkrrc.exe:Zone.Identifier, ASCII 20->43 dropped 45 C:\Users\...\4pYYjIkrrc.exe:Zone.Identifier, ASCII 20->45 dropped 31 netsh.exe 3 23->31         started        33 netsh.exe 3 23->33         started        35 conhost.exe 23->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/992dad791a523f2c0a0b5a74c08e5573905f301d8891db0ed6e885face9ef0e2/
Threat name:
Win32.Ransomware.Phobos
Create hunting rule
Status:
Malicious
First seen:
2022-09-27 13:45:00 UTC
File Type:
PE (Exe)
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tew226i2ki7sycqllj2mbdsvooif6ma5rci5wdww5cc7vtu66dra._file
Verdict:
malicious
Similar samples:
0b4c743246478a6a8c9fa3ff8e04f297507c2f0ea5d61a1284fe65387d172f81
Phobos
64cc071973e05ae577f32bab349fafb4dba96ba9b8cab272aa5cd9d6074e5a39
Phobos
8710ad8fb2938326655335455987aa17961b2496a345a7ed9f4bbfcb278212bc
Phobos
9bd421c6f7f7d8278036944fcad3e04db408619678acf1b2024ef69d85c3932b
Phobos
9dde984b21a00bc3307c28bd81f229500b795ce4e908b6f8cb5fbd338b22b8e1
Phobos
dea38651b06aab617e93bdb343fd28587bdc0e113a4fc957571a06988491ade7
Phobos
ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71
Phobos
f0aec57001a184ea82122a59c6e5be48042f75d6f11a40125995ba9531aab718
Phobos
f9348fb8d78baa055f90288fec94b67d3f3d30eaa5744feeacef871ee3ad8eb8
Phobos
+ 2'675 additional samples on MalwareBazaar
Result
Malware family:
phobos
Create hunting rule
Score:
  10/10
Tags:
family:phobos evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220930-jvzkcachh7/
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Modifies Windows Firewall
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Phobos
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/649bbf28-94cb-4244-a9f2-bf68161793eb
Unpacked files
SH256 hash:
992dad791a523f2c0a0b5a74c08e5573905f301d8891db0ed6e885face9ef0e2
MD5 hash:
ea0740178ed1d9c298816351d68ee859
SHA1 hash:
bcf0db0e3ea2a96e776f49243d6c1c5080fcc364
Link:
https://www.unpac.me/results/772b17b1-7fa6-48cc-936b-c9e45712dddb/
Malware family:
Dharma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/992dad791a52/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/992dad791a523f2c0a0b5a74c08e5573905f301d8891db0ed6e885face9ef0e2

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:MALWARE_Win_Phobos
Create hunting rule
Author:ditekshen
Description:Detects Phobos ransomware

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/315078/

Comments