MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220. 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


Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220
SHA3-384 hash: 15316b8fbf279fbf24c2342384caa01f74e0559fff257bcfde55c0be9f868284c2504d597387a7833f9951a9a83a646d
SHA1 hash: 2d650f3a8998a0ed20c86065a425220a042c2e61
MD5 hash: 4085b73503ab9a48c126d4ff5640ceeb
humanhash: london-neptune-oregon-robin
File name:87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220.exe
Download: download sample
File size:3'947'848 bytes
First seen:2025-01-24 03:47:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c5b26cab676ca7f0b7795a3e230a8a64
ssdeep 49152:jMUBNZGbftVLT1zhv48vA+IYfrvKOoBP11wBoLU5kMyu4ycF920/TcsMjBKKva0:jkXDlNdfrvRoTENs8P
TLSH T1C3065A47B6AA40D5C17BC27C86B74706E6B23C155F30ABDF1260466E2F73AE05E7A360
TrID 33.6% (.EXE) OS/2 Executable (generic) (2029/13)
33.1% (.EXE) Generic Win/DOS Executable (2002/3)
33.1% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter lighting999
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
410
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220.exe
Verdict:
Malicious activity
Analysis date:
2024-11-06 12:50:35 UTC
Tags:
silverfox backdoor
Link:
https://app.any.run/tasks/c3432f02-5ab8-4dfd-a37f-9db4b1f2b09b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching a service
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Creating a window
Moving a recently created file
Launching the default Windows debugger (dwwin.exe)
Running batch commands
Creating a process from a recently created file
Searching for the window
Forced system process termination
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm fingerprint keylogger microsoft_visual_cc overlay stealer
Link:
https://www.filescan.io/uploads/67930d75ab59d51355efd7cb/reports/54944122-cfdb-4e55-9c87-861824fe9ed4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f79bf960-de43-4d2f-8208-6b8875662151
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1598301
Signature
Contains functionality to detect sleep reduction / modifications
Contains functionality to infect the boot sector
Contains functionality to inject code into remote processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1598301 Sample: uwM8VlcQK2.exe Startdate: 24/01/2025 Architecture: WINDOWS Score: 100 39 oiohoi-1326698919.cos.ap-nanjing.myqcloud.com 2->39 41 gw-c-sht-isp.pinduoduo.com 2->41 43 2 other IPs or domains 2->43 53 Suricata IDS alerts for network traffic 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 7 other signatures 2->59 8 uwM8VlcQK2.exe 24 2->8         started        12 ftp.exe 1 2->12         started        signatures3 process4 dnsIp5 45 gw-c-sht-isp.pinduoduo.com 162.62.221.18, 443, 49746, 49772 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN Singapore 8->45 47 cos.ap-nanjing.myqcloud.com 119.45.110.19, 443, 49730, 49783 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 8->47 29 C:\Users\user\AppData\Local\...\A[1].jpg, PE32 8->29 dropped 31 C:\Users\Public\Program Files\svchost.xx, PE32 8->31 dropped 33 C:\Users\Public\...\svchost.exe (copy), PE32 8->33 dropped 35 C:\Users\Public\Program Files\sentry.dll, PE32 8->35 dropped 14 WerFault.exe 19 16 8->14         started        17 WMIC.exe 1 8->17         started        19 cmd.exe 1 12->19         started        21 conhost.exe 12->21         started        file6 process7 file8 37 C:\ProgramData\Microsoft\...\Report.wer, Unicode 14->37 dropped 23 conhost.exe 17->23         started        25 svchost.exe 19->25         started        process9 dnsIp10 49 27.124.40.196, 49851, 49992, 49995 BCPL-SGBGPNETGlobalASNSG Singapore 25->49 51 27.124.40.197, 49990, 49994, 6688 BCPL-SGBGPNETGlobalASNSG Singapore 25->51 61 System process connects to network (likely due to code injection or exploit) 25->61 signatures11
Score:
43%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-11-06 16:06:36 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7wc5svmgcr4yhsnecnbpz7mnug3fxptbz2wclgews4w5pdc4iqa._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
Similar samples:
error
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250124-ecr1bsxrdy/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5c13b2b7-571c-4f64-95c0-0fa2912704f1
Unpacked files
SH256 hash:
87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220
MD5 hash:
4085b73503ab9a48c126d4ff5640ceeb
SHA1 hash:
2d650f3a8998a0ed20c86065a425220a042c2e61
Link:
https://www.unpac.me/results/0904f2f6-1b6a-4b64-b8da-45d3e95b278f/
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/87ec2ecaac30a3cc1e4d209a17e7ec6d0db2ddf30e75612cc4b4b96ebc62e220

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:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

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 (FORCE_INTEGRITY)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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