MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7. 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


Worm.Ramnit


Vendor detections: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7
SHA3-384 hash: 31125e415ddc837de53b1a44ef78b5339072008394eaf1aff3191a83f43d7d1eedda9222a2c24e4df30e507f96d26782
SHA1 hash: e812498c5974afec28eac79dd8ef0ee676d7cb5d
MD5 hash: db1ad2ac3c34a120079692c13052a4f0
humanhash: timing-december-arizona-kansas
File name:exe004(1).exe
Download: download sample
Signature Worm.Ramnit
Create hunting rule
File size:1'368'064 bytes
First seen:2024-11-19 11:08:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0a169711b2c3cb91e4e5ac9790ceba70 (1 x Worm.Ramnit)
ssdeep 24576:Me9svvw/1fKPSjAMHHTChtaV4n57CqckW36vy0rPWI3gQ:Me9AfPS5n+htaGFcky0LW3
TLSH T17F558E21E643C426F472C0715959AF3BDFF4A6702B20548BB3C49E2D2BB55E2AF2521F
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 71b119dcce576333 (3'570 x Heodo, 203 x TrickBot, 19 x Gh0stRAT)
Reporter Joker
Tags:exe malware Worm.Ramnit

Intelligence

File Origin
# of uploads :
1
# of downloads :
429
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
ramnit
Create hunting rule
ID:
1
File name:
exe0041.exe
Verdict:
Malicious activity
Analysis date:
2024-11-19 11:12:01 UTC
Tags:
upx ramnit trojan
Link:
https://app.any.run/tasks/e302af9f-0d84-4eb1-9144-5945350af8d0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Ramnit-1847
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673c728080d21948b032eac9
Tags:
dropper ramnit virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the Program Files subdirectories
Launching a process
Searching for the browser window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint hook keylogger microsoft_visual_cc nimnul packed packed packer_detected ramnit virus
Link:
https://www.filescan.io/uploads/673c71d573d2ce344bca8a75/reports/7157a437-2453-420d-a45c-04aea11f3fac/overview
Verdict:
Malicious
Labled as:
Virus.Nimnul
Link:
https://www.hybrid-analysis.com/sample/250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7
Malware family:
Ramnit
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8444cdd0-2fd1-4023-b3c5-45fdf2447a85
Result
Threat name:
Ramnit
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1558345
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to infect the boot sector
Found evasive API chain (may stop execution after checking mutex)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Yara detected Ramnit
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1558345 Sample: exe004(1).exe Startdate: 19/11/2024 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 8 other signatures 2->58 12 exe004(1).exe 1 2->12         started        16 msedge.exe 21 100 2->16         started        process3 dnsIp4 44 C:\Users\user\Desktop\exe004(1)Srv.exe, PE32 12->44 dropped 64 Contains functionality to infect the boot sector 12->64 19 exe004(1)Srv.exe 3 12->19         started        46 239.255.255.250 unknown Reserved 16->46 23 msedge.exe 16->23         started        26 msedge.exe 16->26         started        file5 signatures6 process7 dnsIp8 42 C:\Program Files (x86)\...\DesktopLayer.exe, PE32 19->42 dropped 60 Multi AV Scanner detection for dropped file 19->60 62 Found evasive API chain (may stop execution after checking mutex) 19->62 28 DesktopLayer.exe 19->28         started        48 chrome.cloudflare-dns.com 162.159.61.3, 443, 49715, 49721 CLOUDFLARENETUS United States 23->48 50 172.64.41.3, 443, 49716, 49717 CLOUDFLARENETUS United States 23->50 file9 signatures10 process11 process12 30 iexplore.exe 53 68 28->30         started        process13 32 iexplore.exe 2 21 30->32         started        process14 34 ie_to_edge_stub.exe 1 32->34         started        36 ssvagent.exe 501 32->36         started        process15 38 msedge.exe 11 34->38         started        process16 40 msedge.exe 38->40         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7
Detection:
ramnit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7/
Threat name:
Win32.Worm.Ramnit
Create hunting rule
Status:
Malicious
First seen:
2024-11-14 12:30:00 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=euhqln5sf6eg35uvkdmhzhybhhan3635zbnwy3d6cli24o3r2htq._file
Verdict:
malicious
Label(s):
ramnit
Create hunting rule
Similar samples:
error
Worm.Ramnit
Result
Malware family:
ramnit
Create hunting rule
Score:
  10/10
Tags:
family:ramnit banker discovery spyware stealer trojan upx worm
Link:
https://tria.ge/reports/241119-m84yrsvdph/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Program Files directory
UPX packed file
Executes dropped EXE
Loads dropped DLL
Ramnit
Ramnit family
Verdict:
Malicious
Tags:
Win.Trojan.Ramnit-1847
YARA:
n/a
Link:
https://app.threat.zone/submission/93417cf4-b51f-4fdf-8deb-36a43f0710e0
Unpacked files
SH256 hash:
876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c
MD5 hash:
44e92c4b5f440b756f8fb0c9eeb460b2
SHA1 hash:
ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2
Link:
https://www.unpac.me/results/6b70ff5f-a851-45f4-97e6-ad5c38d37545/
SH256 hash:
6057d87753daee3c71eb8c0d3cb8582ea88d6e56f02864019db9fd7af3fb4a9f
MD5 hash:
651defc532f0e72be60621696aa97972
SHA1 hash:
43176a96322202fc8fd8901c213fde820d005871
Detections:
win_ramnit_g1
Create hunting rule
win_ramnit_auto
Create hunting rule
Link:
https://www.unpac.me/results/6b70ff5f-a851-45f4-97e6-ad5c38d37545/
Parent samples :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 hash:
250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7
MD5 hash:
db1ad2ac3c34a120079692c13052a4f0
SHA1 hash:
e812498c5974afec28eac79dd8ef0ee676d7cb5d
Link:
https://www.unpac.me/results/6b70ff5f-a851-45f4-97e6-ad5c38d37545/
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/250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Worm.Ramnit

Executable exe 250f05b7b22f886df69550d87c9f0139c0ddfb7dc85b6c6c7e12d1ae3b71d1e7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3296051/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoFreeUnusedLibraries
ole32.dll::CreateStreamOnHGlobal
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetSystemDirectoryA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegCreateKeyA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyA
ADVAPI32.dll::RegQueryInfoKeyA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments