MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4631aa9b2da8d0905003113c7901d4974b6580fe6bf51109ff95b9e595933c6. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4631aa9b2da8d0905003113c7901d4974b6580fe6bf51109ff95b9e595933c6
SHA3-384 hash: a432ca540d267afe9b20bbcfb061a96dba655e022c7429899d5f408fce77f93ebf4a1bb0776070e61b6afb69556f625a
SHA1 hash: 459420cf58238638fad7098eca696964ce3425e7
MD5 hash: 466cf46bc2f81af9e63cbb634d3e55ef
humanhash: table-ceiling-mississippi-green
File name:file
Download: download sample
Signature PrivateLoader
Create hunting rule
File size:5'872'944 bytes
First seen:2023-03-22 17:42:01 UTC
Last seen:2023-03-23 02:45:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 496fff7f26eb25a135e9d530fa8ef62e (8 x PrivateLoader)
ssdeep 98304:KJ4EhVbeQ9RgT0KmM8m1AhAqNs8rJ1vxB69JpMy3amKmcg5LAO:Y4EhYQY0RWGWp8rZBoN3amKo5LAO
Threatray 285 similar samples on MalwareBazaar
TLSH T1E94633B321AAEB1ACD043A361325472B3E617E54FEC5C01C729D6D8B6B345A46335F3A
TrID 52.9% (.EXE) Win32 Executable (generic) (4505/5/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon f8f4f0d8d8c4c4c4 (1 x PrivateLoader)
Reporter andretavare5
Tags:exe PrivateLoader signed

Code Signing Certificate

Organisation:Acer Globe Ultra AN527-57 [AN527-75-77M3]
Issuer:Acer Globe Ultra AN527-57 [AN527-75-77M3]
Algorithm:sha1WithRSAEncryption
Valid from:2023-03-15T21:30:05Z
Valid to:2033-03-16T21:30:05Z
Serial number: 3efefde746e7f7874f2c1d2eca3c2ee7
Intelligence: 4 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 42ffaa95b3707b47fbb7e6c12b654ba7a400b81f1f1ec6122a1387de4ebe13b3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
andretavare5
Sample downloaded from https://vk.com/doc284673008_659995765?hash=DrL6zrgxwUUgI72cmJQ2SkravgOVYVbetQrMHg7hwtP&dl=GI4DINRXGMYDAOA:1679489067:kACxqluzXApayLxc3nWF9VEdVfo3rbwL06VJj8JLqgz&api=1&no_preview=1#kis_crypto_r

Intelligence

File Origin
# of uploads :
4
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-22 17:48:02 UTC
Tags:
risepro privateloader
Link:
https://app.any.run/tasks/3761aaef-8ff1-4266-86a5-9783575751c6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/376570/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for analyzing tools
Creating a file in the %temp% subdirectories
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed setupapi.dll shell32.dll
Link:
https://www.filescan.io/uploads/641b3dedda1bbe29caf98bec/reports/f6f0a7e7-5e34-48ee-a36a-d98eaa8899ef/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/e4631aa9b2da8d0905003113c7901d4974b6580fe6bf51109ff95b9e595933c6
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/73613492-c8a0-4ad4-8bc1-3e44fda53f20
Result
Threat name:
PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1199678
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Found potential ransomware demand text
Hides threads from debuggers
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4631aa9b2da8d0905003113c7901d4974b6580fe6bf51109ff95b9e595933c6/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4rrrvkns3kgqsbiagej4pea5jf2lmwap427vcee77fnz4wkzgpda._file
Verdict:
unknown
Similar samples:
13e1a1e4cceade0d5dc35c874331f7fe5f4e5ce5840abb498786e826f2150fb7
PrivateLoader
25dd0395643f85483595e7968be30b9ab55572f220b52b49ecea6ac3dfaef824
PrivateLoader
4113658f7e5b8753968ecedd2715a44c01c9151d79186b446ea1a6b19245f401
PrivateLoader
5866f921e4e7d2eef8693f9fefb19ccd46224c02bb46dd51639d8680de185a40
PrivateLoader
92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629
PrivateLoader
998e71ff054d133015a8d91c7ac23659560fe10ebef91e125d391400fa98e0f9
PrivateLoader
d7c946e7e2af02c688453f19c952b316dd3f3ce37ffca1efb041a7265137d0f9
PrivateLoader
e3ecfadcc199765a2ad369615ec17b5b95cb0f5a29cc45eb2e8d2e9d575807d1
PrivateLoader
ffc8f608eaae685aaac75daef134d536de17e3cecfcb259b645bf3479022bf62
PrivateLoader
+ 275 additional samples on MalwareBazaar
Result
Malware family:
privateloader
Create hunting rule
Score:
  10/10
Tags:
family:privateloader discovery evasion loader spyware stealer trojan
Link:
https://tria.ge/reports/230322-v91lqsad69/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks whether UAC is enabled
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Identifies VirtualBox via ACPI registry values (likely anti-VM)
PrivateLoader
Unpacked files
SH256 hash:
a14e75fa43e1bd4cea14459951394c220952760f320e3f3f37512f1020e47f08
MD5 hash:
89122b910f0f9fee91293c81f0ff4f30
SHA1 hash:
da4882d355bc1ca923c377c3c99666354eae0647
Link:
https://www.unpac.me/results/5e3db1c7-dfc1-4800-9baf-06488c8527cc/
SH256 hash:
e4631aa9b2da8d0905003113c7901d4974b6580fe6bf51109ff95b9e595933c6
MD5 hash:
466cf46bc2f81af9e63cbb634d3e55ef
SHA1 hash:
459420cf58238638fad7098eca696964ce3425e7
Link:
https://www.unpac.me/results/5e3db1c7-dfc1-4800-9baf-06488c8527cc/
Malware family:
PrivateLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e4631aa9b2da/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:TeslaCryptPackedMalware
Create hunting rule

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/376570/

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