MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88f6a6455f92255a189526e36aeb581c95c28dc5e26357e7667f871444a336ba. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1
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SHA256 hash: 88f6a6455f92255a189526e36aeb581c95c28dc5e26357e7667f871444a336ba
SHA3-384 hash: 992885bbe96445fcc433982557f6e11a70fd4a7af6f595408afd3f5abf234d6061eb255e850cc0179546b1b30b45f316
SHA1 hash: 1d59046ef6c7d204e6ac74337ef534e3f9bd237c
MD5 hash: 1f7dd42295e1d8059c9cae2eff17109e
humanhash: dakota-mississippi-cup-triple
File name:1f7dd42295e1d8059c9cae2eff17109e
Download: download sample
Signature Phobos
Create hunting rule
File size:499'712 bytes
First seen:2023-10-06 08:59:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:RB9V0qCM18GVE8Swslkv92SCijw80Qqcasw4RQ5E5YG:RB9u9m8OsavESCwZNqcas+
Threatray 69 similar samples on MalwareBazaar
TLSH T1A2B4CF89B78D9633C3FF4637A46107298B78D04AB2CA97EB75D8D4E10DB13C639142B9
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe Phobos

Intelligence

File Origin
# of uploads :
1
# of downloads :
361
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1f7dd42295e1d8059c9cae2eff17109e
Verdict:
Malicious activity
Analysis date:
2023-10-06 10:35:29 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/13b1b450-d853-4f24-b889-bf632115b7bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.7238.6836.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a service
Launching cmd.exe command interpreter
Creating a process with a hidden window
Searching for synchronization primitives
Changing a file
Modifying an executable file
Sending a custom TCP request
Modifies multiple files
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Launching the process to change the firewall settings
Moving a file to the Program Files subdirectory
Launching a process
Moving a file to the %AppData% subdirectory
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
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/651fcc984d45a517a342acc5/reports/cd5d7783-5419-4514-881b-46d0e411b9c3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/88f6a6455f92255a189526e36aeb581c95c28dc5e26357e7667f871444a336ba
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/078bf017-62c9-44f4-86e5-f824541097b8
Result
Threat name:
Phobos, Voidcrypt
Create hunting rule
Detection:
malicious
Classification:
rans.spre.adwa.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320812
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses bcdedit to modify the Windows boot settings
Uses netsh to modify the Windows network and firewall settings
Writes many files with high entropy
Yara detected Costura Assembly Loader
Yara detected Phobos
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1320812 Sample: 2HrJftbsZa.exe Startdate: 06/10/2023 Architecture: WINDOWS Score: 100 86 Malicious sample detected (through community Yara rule) 2->86 88 Antivirus / Scanner detection for submitted sample 2->88 90 Multi AV Scanner detection for dropped file 2->90 92 8 other signatures 2->92 8 2HrJftbsZa.exe 3 2->8         started        11 2HrJftbsZa.exe 2 2->11         started        13 2HrJftbsZa.exe 2->13         started        15 5 other processes 2->15 process3 signatures4 98 Drops PE files to the startup folder 8->98 100 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->100 102 Writes many files with high entropy 8->102 17 2HrJftbsZa.exe 503 8->17         started        104 Multi AV Scanner detection for dropped file 11->104 106 Found evasive API chain (may stop execution after checking locale) 11->106 108 Injects a PE file into a foreign processes 11->108 21 2HrJftbsZa.exe 11->21         started        23 2HrJftbsZa.exe 13->23         started        25 2HrJftbsZa.exe 13->25         started        27 2HrJftbsZa.exe 13->27         started        110 Creates files inside the volume driver (system volume information) 15->110 29 2HrJftbsZa.exe 15->29         started        31 2HrJftbsZa.exe 15->31         started        process5 file6 62 C:\ProgramData\Microsoft\...\2HrJftbsZa.exe, PE32 17->62 dropped 64 webappsstore.sqlit...rexsdata.pro].8base, data 17->64 dropped 66 3870112724rsegmnoi...rexsdata.pro].8base, data 17->66 dropped 68 78 other files (74 malicious) 17->68 dropped 94 Creates files in the recycle bin to hide itself 17->94 96 Infects executable files (exe, dll, sys, html) 17->96 33 cmd.exe 1 17->33         started        36 cmd.exe 17->36         started        38 2HrJftbsZa.exe 2 17->38         started        40 4 other processes 17->40 signatures7 process8 signatures9 74 May disable shadow drive data (uses vssadmin) 33->74 76 Deletes shadow drive data (may be related to ransomware) 33->76 78 Uses netsh to modify the Windows network and firewall settings 33->78 84 2 other signatures 33->84 42 vssadmin.exe 1 33->42         started        45 bcdedit.exe 9 1 33->45         started        58 4 other processes 33->58 80 Uses bcdedit to modify the Windows boot settings 36->80 47 vssadmin.exe 36->47         started        60 4 other processes 36->60 82 Injects a PE file into a foreign processes 38->82 49 2HrJftbsZa.exe 1 6 38->49         started        52 netsh.exe 2 40->52         started        54 netsh.exe 2 40->54         started        56 conhost.exe 40->56         started        process10 file11 112 Deletes shadow drive data (may be related to ransomware) 42->112 70 C:\Users\user\AppData\...\2HrJftbsZa.exe, PE32 49->70 dropped 72 C:\Users\user\AppData\Local\2HrJftbsZa.exe, PE32 49->72 dropped signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88f6a6455f92255a189526e36aeb581c95c28dc5e26357e7667f871444a336ba/
Threat name:
ByteCode-MSIL.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-10-06 09:00:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rd3kmrk7sisvugeve3rwv22ydsk4fdof4jrvpz3gp6drirfdg25a._file
Verdict:
malicious
Similar samples:
2a10de68cf32f00733275b4d66276226c82e362b06e8bc1e3af88232f59ebb4e
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43b013fa0242673bc2b108430d203f81067c61f299c9dea6d5f16b6d4c22fbfb
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5c7e18764c02e02117f91213a2f66e63265d3ed30c0ea8ae1c9be8ff5ee4ba43
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790b64a5860a5069fedcb660efdffce2b5ab2195086100a6079697b662f0c198
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b835220d18074195e2df569e8088470b7f400c334aef1dd54dfe30e2019dab7a
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b9d4088106a3a557fb5d909c8c5b921971704d7b764306ee4190cefd9b8d89b0
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c0539fd02ca0184925a932a9e926c681dc9c81b5de4624250f2dd885ca5c4763
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c961a1c23fe7e6704d8c4b718815dd0d1f93804de28756fb44ab0d6aa70776a1
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ec50c4dbfaf63807aa7eab2af9c1bc46b66553bc1da16f1aede4dd8096b8bcd5
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fa7ed15708d988e7f69b5628db9481816052efea29e93f1bd274a1d76006aee6
Phobos
+ 59 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/231006-kycqescd68/
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
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
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
Deletes shadow copies
Modifies boot configuration data using bcdedit
Renames multiple (316) files with added filename extension
Renames multiple (470) files with added filename extension
Phobos
Unpacked files
SH256 hash:
46176e80dcec75fd703556bfe560bab6c85893dd466c678c9d69e29f2d825b54
MD5 hash:
09e4c52aa83dc58f499dacf7bd6b0a79
SHA1 hash:
bc2f17cfce682d3b016c43b512e42c4b2f3e5367
Link:
https://www.unpac.me/results/3e038bf7-98e9-4bf4-ae8c-c9cc7247fd4e/
SH256 hash:
88f6a6455f92255a189526e36aeb581c95c28dc5e26357e7667f871444a336ba
MD5 hash:
1f7dd42295e1d8059c9cae2eff17109e
SHA1 hash:
1d59046ef6c7d204e6ac74337ef534e3f9bd237c
Link:
https://www.unpac.me/results/3e038bf7-98e9-4bf4-ae8c-c9cc7247fd4e/
Malware family:
Dharma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/88f6a6455f92/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/88f6a6455f92255a189526e36aeb581c95c28dc5e26357e7667f871444a336ba

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Phobos

Executable exe 88f6a6455f92255a189526e36aeb581c95c28dc5e26357e7667f871444a336ba

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2717614/

Comments


Avatar
zbet commented on 2023-10-06 08:59:36 UTC

url : hxxp://sentrex219.xyz/777/mtx56po.exe