MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6
SHA3-384 hash: 20fba472bd2f3476f7532189812a56947ad85d451203e5fa28df118d9bcfeeeb9cf7d810051b1891c197386571d89b2c
SHA1 hash: dc7dccdeb25715e2652168f4b1853485410dee4f
MD5 hash: 336e11346f73a09b1a7e117fa2542558
humanhash: island-purple-washington-island
File name:1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6
Download: download sample
Signature Phobos
Create hunting rule
File size:56'832 bytes
First seen:2022-09-27 11:48:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit)
ssdeep 1536:YNeRBl5PT/rx1mzwRMSTdLpJ51mp9p93OmuK:YQRrmzwR5JbmppO
TLSH T14C43C006746980F1CE724670193E6F5F5FBEA40544A450874F394E8A3FE9076DB2A3BA
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 :
578
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
phobos
Create hunting rule
ID:
1
File name:
1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6.exe
Verdict:
Malicious activity
Analysis date:
2022-09-27 11:55:03 UTC
Tags:
ransomware phobos
Link:
https://app.any.run/tasks/33b78c5a-2d5c-48c3-9ffb-aec48ca53719

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/313961/
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
Launching the process to change network settings
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to change the firewall settings
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the %AppData% subdirectories
Creating a window
Using the Windows Management Instrumentation requests
Network activity
Deleting a recently created file
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
Encrypting user's files
Infecting executable files
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/39473/overview
Behaviour
MalwareBazaar
SystemUptime
CallSleep
EvasionGetTickCount
CheckMutex
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crysis dharma filecoder greyware packed phobos ransomware shell32.dll windows
Link:
https://www.filescan.io/uploads/6332e32e0569d591125fb832/reports/3ac3cf52-74c5-4ed0-b99d-029823062093/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/f108bd36-9bc7-4952-a9cb-182b6804e506
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.spre.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1078716
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 submitted file
Sigma detected: Delete shadow copy via WMIC
Tries to harvest and steal browser information (history, passwords, etc)
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: 711268 Sample: RTJ2Fj448d.exe Startdate: 28/09/2022 Architecture: WINDOWS Score: 100 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for dropped file 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 6 other signatures 2->64 8 RTJ2Fj448d.exe 1 501 2->8         started        12 RTJ2Fj448d.exe 2->12         started        14 wbuser.exe 3 2->14         started        16 5 other processes 2->16 process3 file4 50 C:\ProgramData\Microsoft\...\RTJ2Fj448d.exe, PE32 8->50 dropped 52 SmsInterceptStore....rosu@eml.cc].MMXXII, COM 8->52 dropped 54 C:\...\RTJ2Fj448d.exe:Zone.Identifier, ASCII 8->54 dropped 56 desktop.ini.id[37F...rosu@eml.cc].MMXXII, data 8->56 dropped 74 Creates files in the recycle bin to hide itself 8->74 76 Drops PE files to the startup folder 8->76 78 Tries to harvest and steal browser information (history, passwords, etc) 8->78 80 Infects executable files (exe, dll, sys, html) 8->80 18 cmd.exe 1 8->18         started        21 RTJ2Fj448d.exe 2 6 8->21         started        24 cmd.exe 8->24         started        82 Antivirus detection for dropped file 12->82 84 Machine Learning detection for dropped file 12->84 86 Found evasive API chain (may stop execution after checking locale) 12->86 88 Creates files inside the volume driver (system volume information) 14->88 signatures5 process6 file7 66 May disable shadow drive data (uses vssadmin) 18->66 68 Deletes shadow drive data (may be related to ransomware) 18->68 70 Uses netsh to modify the Windows network and firewall settings 18->70 72 3 other signatures 18->72 26 bcdedit.exe 8 1 18->26         started        28 bcdedit.exe 7 1 18->28         started        30 conhost.exe 18->30         started        38 3 other processes 18->38 42 C:\Users\user\AppData\...\RTJ2Fj448d.exe, PE32 21->42 dropped 44 C:\Users\user\AppData\Local\RTJ2Fj448d.exe, PE32 21->44 dropped 46 C:\Users\...\RTJ2Fj448d.exe:Zone.Identifier, ASCII 21->46 dropped 48 C:\Users\...\RTJ2Fj448d.exe:Zone.Identifier, ASCII 21->48 dropped 32 netsh.exe 3 24->32         started        34 netsh.exe 3 24->34         started        36 conhost.exe 24->36         started        signatures8 process9 process10 40 conhost.exe 26->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6/
Threat name:
Win32.Ransomware.Phobos
Create hunting rule
Status:
Malicious
First seen:
2022-09-27 10:14:39 UTC
File Type:
PE (Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d4wfp7vw7s4a7ybnkn3y7j6gwo6luayzekp6top7ojncjwjzyk3a._file
Verdict:
malicious
Result
Malware family:
phobos
Create hunting rule
Score:
  10/10
Tags:
family:phobos evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220927-nyz3haddc7/
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)
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/7f715602-e6a2-4fa2-a845-1ae0de8a2c91
Unpacked files
SH256 hash:
1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6
MD5 hash:
336e11346f73a09b1a7e117fa2542558
SHA1 hash:
dc7dccdeb25715e2652168f4b1853485410dee4f
Link:
https://www.unpac.me/results/81439bf0-bad6-4ee0-8a7d-9d49a309850e/
Malware family:
Dharma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f2c57feb6fc/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/1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6

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/313961/

Comments