MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7
SHA3-384 hash: 610b1f7d20b11ac0ed0f365f330480c7412ef9eba8779e62925600bf999b6cd112109b4d226484b8a66fc86d686e30c1
SHA1 hash: a69ea3123861f89f7dc097045431391df27ee0ed
MD5 hash: 0973342967e11e6e54f1cd478612c032
humanhash: bravo-lamp-sixteen-solar
File name:8EFB5736EDB66F0E32978E94238636B1B497ED3F206F9EB2CF45AF9424A7CB70.exe
Download: download sample
Signature Worm.Ramnit
Create hunting rule
File size:246'784 bytes
First seen:2024-07-24 18:56:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2bdd43acf181bf5b35cc83a05996f85e (3 x Smoke Loader, 2 x RedLineStealer, 1 x Stop)
ssdeep 1536:XEVKlm3/xDJrs0DQOirxoOIL5FmcP4APeJZzEb+JOAy65zTdu6izEdbnGCq2iW7z:UVKlm3vUSFRlmnG+JbF5z5g2bGCH
TLSH T10034C0627A90C072C49B16317469CAB02F7EE83103B555CBA7A9097F6F303C266F675B
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 5c599a3ce0c1c850 (36 x RedLineStealer, 27 x Stop, 21 x Smoke Loader)
Reporter Anonymous
Tags:exe Worm.Ramnit


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
CN CN
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7.exe
Verdict:
Malicious activity
Analysis date:
2024-07-25 18:39:04 UTC
Tags:
bdaejec loader smokeloader
Link:
https://app.any.run/tasks/bd63d965-5976-43ef-a3a5-027cef4ceea7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Virus.Wapomi-9802127-0
Create hunting rule

Win.Trojan.Generic-9942464-0
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Win.Malware.Wapomi-10020301-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a14e82ae21d7902eafbc1f
Tags:
Execution Generic Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Changing an executable file
Creating a window
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Unauthorized injection to a recently created process
Restart of the analyzed sample
Modifying an executable file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Query of malicious DNS domain
Infecting executable files
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc shell32
Link:
https://www.filescan.io/uploads/66a14e9bb45fbebc0edba95e/reports/c5066b21-5094-4b56-bd1c-efbe643c5fa3/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e9cf5fc-545e-4a52-a0d7-778049f9759f
Result
Threat name:
Bdaejec, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480601
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
PE file contains section with special chars
PE file has a writeable .text section
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Yara detected Bdaejec
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480601 Sample: 8EFB5736EDB66F0E32978E94238... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 37 host-data-coin-11.com 2->37 39 ddos.dnsnb8.net 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 10 other signatures 2->49 8 8EFB5736EDB66F0E32978E94238636B1B497ED3F206F9EB2CF45AF9424A7CB70.exe 1 2->8         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\awkyaP.exe, PE32 8->29 dropped 59 Detected unpacking (changes PE section rights) 8->59 61 Contains functionality to inject code into remote processes 8->61 63 Injects a PE file into a foreign processes 8->63 65 Switches to a custom stack to bypass stack traces 8->65 12 8EFB5736EDB66F0E32978E94238636B1B497ED3F206F9EB2CF45AF9424A7CB70.exe 8->12         started        15 awkyaP.exe 12 8->15         started        signatures6 process7 file8 67 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->67 69 Maps a DLL or memory area into another process 12->69 71 Checks if the current machine is a virtual machine (disk enumeration) 12->71 73 Creates a thread in another existing process (thread injection) 12->73 18 explorer.exe 29 3 12->18 injected 31 C:\Program Files\7-Zip\Uninstall.exe, PE32 15->31 dropped 33 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 15->33 dropped 35 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 15->35 dropped 75 Antivirus detection for dropped file 15->75 77 Detected unpacking (changes PE section rights) 15->77 79 Machine Learning detection for dropped file 15->79 81 Infects executable files (exe, dll, sys, html) 15->81 23 WerFault.exe 21 16 15->23         started        signatures9 process10 dnsIp11 41 host-data-coin-11.com 188.40.141.211, 49742, 80 HETZNER-ASDE Germany 18->41 25 C:\Users\user\AppData\Roaming\cvvdvta, PE32 18->25 dropped 27 C:\Users\user\...\cvvdvta:Zone.Identifier, ASCII 18->27 dropped 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Benign windows process drops PE files 18->53 55 Deletes itself after installation 18->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->57 file12 signatures13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7/
Threat name:
Win32.Virus.Jadtre
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 18:57:05 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f7pbnaxaa3rhwlpljfmvvm526n5igzlx7pu67x5olhklnnuc3c3q._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 aspackv2 backdoor discovery trojan
Link:
https://tria.ge/reports/240724-xlxlaavdqb/
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
ASPack v2.12-2.42
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
SmokeLoader
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/12d97ad5-1025-4b14-a2c8-e10a74bbc17c
Unpacked files
SH256 hash:
721d393191597d49d856baef2fbde75e48f52d0465e2cfabf1a41848b0e05589
MD5 hash:
b984a027c8a2abf874f3eb306a831613
SHA1 hash:
d3b3f8890adc840b0bd411cf304eef15d415ed48
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/dd522239-d579-4c90-9719-ca01af8e72aa/
Parent samples :
fb9b41efdc7c2d9e8cfda4be223831a9d2f4d21366759da64e04bbbb9e662766
bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc
ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387
98c920233869ce802fb4722f982fc1a8c2461e2a01ea4a619a9532a660acf285
2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7
2374069183727dd5904a26027c80032f30dcff60d25019578876c0b37fa9c224
bd3030832602591f05fe01ef11feaa3b9fe776b2a184eb454f02cae3ab73340b
a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e
c91dec1cd5b97079481c76d5d597dde67b60c301ea900eab7db99776d52b465a
SH256 hash:
12327c413a80c772252dc2a26b19b458da07ed8c5ade4936c5cf0bfa91fcfe49
MD5 hash:
fc14657204179333084533bf089d8462
SHA1 hash:
bdcfa8734b69048e472cce6fd35f74db84ff4fe6
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/dd522239-d579-4c90-9719-ca01af8e72aa/
SH256 hash:
2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7
MD5 hash:
0973342967e11e6e54f1cd478612c032
SHA1 hash:
a69ea3123861f89f7dc097045431391df27ee0ed
Link:
https://www.unpac.me/results/dd522239-d579-4c90-9719-ca01af8e72aa/
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/2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Worm.Ramnit

Executable exe 2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleTitleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryExA
KERNEL32.dll::CreateDirectoryExW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
KERNEL32.dll::ReplaceFileW

Comments