MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83. 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


PrivateLoader


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83
SHA3-384 hash: bb9e144ab7f15f5784e2485198a2898342bf7ff03182641fb6e614ff4dc0cd4f4022d97925fa48b016e5df829a173c79
SHA1 hash: 7a0b99f23cd3010436d8eedbdac2dfe53ad87a45
MD5 hash: 38237ea00fadf39c8fec0f671bc9322e
humanhash: july-mississippi-undress-cold
File name:SecuriteInfo.com.Win64.Evo-gen.4435.12354
Download: download sample
Signature PrivateLoader
Create hunting rule
File size:7'824'008 bytes
First seen:2024-06-01 14:23:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b5901251689f3d7d62dc1530161a4784 (1 x PrivateLoader)
ssdeep 98304:7ipBm2QwER2Fj048afk8Xxmon2Kq81mSU8r6qT/p9eRsCSZcKX9E6nyott3J8:7C8SER2Oas2mo1Fmr8r66x7ZZN2
TLSH T1DD76129579C5C3B8C0C54738398540B93091AE49D4EDCE19BAAEFC13BF71E9910EA7A3
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon b234f89858d8c68e (1 x PrivateLoader)
Reporter SecuriteInfoCom
Tags:exe PrivateLoader signed

Code Signing Certificate

Organisation:A4 TECH USA
Issuer:A4 TECH USA
Algorithm:sha512WithRSAEncryption
Valid from:2024-05-24T15:05:18Z
Valid to:2026-06-13T00:00:00Z
Serial number: 5d44fdba0f5ebd47aa22dbff459be5dd
Thumbprint Algorithm:SHA256
Thumbprint: 6e217b25d9bfa34f3b76de1dba2343961e60f4b228154737d73fc6c1a7be9c2e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
566
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83.exe
Verdict:
Malicious activity
Analysis date:
2024-06-01 14:25:36 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/8a6f8741-8ebf-4cc1-a3b0-a52404fa8f39

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.4435.12354.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665b413d2188817e5eb6d88ewin7simulatehigh_evasion
Tags:
Encryption Network Static Stealth Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Modifying a system file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Replacing files
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Launching a process
Sending a UDP request
Forced system process termination
Blocking the Windows Defender launch
Connection attempt to an infection source
Adding exclusions to Windows Defender
Sending an HTTP GET request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/665b2f039c0b71aaf52be2df/reports/f8c49d38-adc5-461c-90f0-1e7b8903b279/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e60d25ac-4443-4055-a953-e8624af6016e
Result
Threat name:
CryptOne, GCleaner, LummaC Stealer, Mars
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1450263
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to infect the boot sector
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the document folder of the user
Exclude list of file types from scheduled, custom, and real-time scanning
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Modifies power options to not sleep / hibernate
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Opens network shares
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Performs DNS queries to domains with low reputation
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Disable power options
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected CryptOne packer
Yara detected GCleaner
Yara detected LummaC Stealer
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected RisePro Stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1450263 Sample: SecuriteInfo.com.Win64.Evo-... Startdate: 01/06/2024 Architecture: WINDOWS Score: 100 104 f.123654987.xyz 2->104 106 t.me 2->106 108 16 other IPs or domains 2->108 134 Snort IDS alert for network traffic 2->134 136 Multi AV Scanner detection for domain / URL 2->136 138 Found malware configuration 2->138 142 22 other signatures 2->142 9 SecuriteInfo.com.Win64.Evo-gen.4435.12354.exe 11 47 2->9         started        14 svchost.exe 2->14         started        16 svchost.exe 2->16         started        18 3 other processes 2->18 signatures3 140 Performs DNS queries to domains with low reputation 104->140 process4 dnsIp5 114 5.42.66.10, 49731, 49737, 49738 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->114 116 ipinfo.io 34.117.186.192, 443, 49733 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 9->116 120 13 other IPs or domains 9->120 96 C:\Users\...\ymS1v98gyHTCY7wPDGeqI2rE.exe, PE32 9->96 dropped 98 C:\Users\...\wfHrvSsEGoIZg6tHUedd6cc5.exe, PE32 9->98 dropped 100 C:\Users\...\vsZZRlclETJj6VO34eL43YK8.exe, PE32 9->100 dropped 102 21 other malicious files 9->102 dropped 194 Drops PE files to the document folder of the user 9->194 196 Creates HTML files with .exe extension (expired dropper behavior) 9->196 198 Disables Windows Defender (deletes autostart) 9->198 200 5 other signatures 9->200 20 vsZZRlclETJj6VO34eL43YK8.exe 9->20         started        23 skplZy5aH3857J3Ql5lT27cX.exe 9->23         started        27 juFMDVOlHlXp4svefKhadxH_.exe 9->27         started        33 10 other processes 9->33 29 WerFault.exe 14->29         started        31 WerFault.exe 14->31         started        118 127.0.0.1 unknown unknown 16->118 file6 signatures7 process8 dnsIp9 78 C:\Users\...\vsZZRlclETJj6VO34eL43YK8.tmp, PE32 20->78 dropped 35 vsZZRlclETJj6VO34eL43YK8.tmp 20->35         started        110 185.172.128.170 NADYMSS-ASRU Russian Federation 23->110 80 C:\Users\user\AppData\...\KKEBKJJDGH.exe, PE32 23->80 dropped 82 C:\Users\user\AppData\Local\...\tiktok[1].exe, PE32 23->82 dropped 94 12 other files (8 malicious) 23->94 dropped 170 Detected unpacking (changes PE section rights) 23->170 172 Detected unpacking (overwrites its own PE header) 23->172 174 Tries to steal Mail credentials (via file / registry access) 23->174 190 5 other signatures 23->190 84 C:\Users\user\AppData\Local\...\katCB19.tmp, PE32 27->84 dropped 176 Writes to foreign memory regions 27->176 178 Allocates memory in foreign processes 27->178 180 Sample uses process hollowing technique 27->180 182 Injects a PE file into a foreign processes 27->182 38 katCB19.tmp 27->38         started        112 185.172.128.90 NADYMSS-ASRU Russian Federation 33->112 86 C:\Users\user\AppData\...\O8FEviSux9P.exe, PE32 33->86 dropped 88 C:\Users\user\AppData\Local\Temp\...\work.exe, PE32 33->88 dropped 90 C:\Users\user\AppData\Local\...\TWO[1].file, PE32 33->90 dropped 92 C:\ProgramData\...\bkqtzupkspiy.exe, PE32+ 33->92 dropped 184 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 33->184 186 Contains functionality to infect the boot sector 33->186 188 Contains functionality to inject code into remote processes 33->188 192 3 other signatures 33->192 41 RegAsm.exe 33->41         started        44 RegAsm.exe 33->44         started        46 RegAsm.exe 33->46         started        48 10 other processes 33->48 file10 signatures11 process12 dnsIp13 60 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 35->60 dropped 62 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 35->62 dropped 70 35 other files (24 malicious) 35->70 dropped 144 Tries to harvest and steal ftp login credentials 38->144 146 Opens network shares 38->146 148 Tries to harvest and steal Bitcoin Wallet information 38->148 122 5.42.65.116 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 41->122 124 db-ip.com 104.26.5.15 CLOUDFLARENETUS United States 41->124 64 C:\Users\user\...\uqc36g9UiytnIDGym9oh.exe, PE32 41->64 dropped 72 4 other malicious files 41->72 dropped 150 Tries to steal Mail credentials (via file / registry access) 41->150 152 Creates multiple autostart registry keys 41->152 154 Tries to harvest and steal browser information (history, passwords, etc) 41->154 126 t.me 149.154.167.99 TELEGRAMRU United Kingdom 44->126 128 159.69.102.132 HETZNER-ASDE Germany 44->128 66 C:\Users\user\AppData\Local\...\sqls[1].dll, PE32 44->66 dropped 156 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->156 158 Uses schtasks.exe or at.exe to add and modify task schedules 44->158 160 Tries to steal Crypto Currency Wallets 44->160 130 118.194.235.187 SINOYCLOUD-AS-APSinoycloudLimitedHK China 46->130 74 2 other files (none is malicious) 46->74 dropped 162 Disables Windows Defender (deletes autostart) 46->162 164 Exclude list of file types from scheduled, custom, and real-time scanning 46->164 166 Adds extensions / path to Windows Defender exclusion list (Registry) 46->166 168 Disable Windows Defender real time protection (registry) 46->168 50 schtasks.exe 46->50         started        132 5.42.67.8 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 48->132 68 C:\Users\user\...\5DNFYbhOw3sCcV1psSKE.exe, PE32 48->68 dropped 76 2 other malicious files 48->76 dropped 52 conhost.exe 48->52         started        54 conhost.exe 48->54         started        56 conhost.exe 48->56         started        58 3 other processes 48->58 file14 signatures15 process16
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-05-30 16:20:05 UTC
File Type:
PE+ (Exe)
Extracted files:
32
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ucfjbt7ltybg6piznugnkisio4ydag424oa3rpl62ejj7xajlwbq._file
Verdict:
malicious
Result
Malware family:
privateloader
Create hunting rule
Score:
  10/10
Tags:
family:privateloader evasion loader
Link:
https://tria.ge/reports/240601-rqptcafc56/
Behaviour
Modifies system certificate store
Drops file in System32 directory
Looks up external IP address via web service
Modifies firewall policy service
PrivateLoader
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fcd90d2b-5ca9-406e-bf08-79bb34c6072c
Unpacked files
SH256 hash:
a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83
MD5 hash:
38237ea00fadf39c8fec0f671bc9322e
SHA1 hash:
7a0b99f23cd3010436d8eedbdac2dfe53ad87a45
Link:
https://www.unpac.me/results/58f29a45-4550-41ac-aa7b-e2a896e5442b/
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/a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous

File information

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

Web download

PrivateLoader

Executable exe a08a90cfeb9e026f3d196d0cd522487730301b9ae381b8bd7ed1129fdc095d83

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2863216/
  
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_DLL_CHARACTERISTICSMissing dll Security Characteristics (NX_COMPAT)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileA
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetFileAttributesA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegSetValueExA

Comments