MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3521e26f7239c5dd29ae5361b7d325c12fa40800733b18ad450ef08d89662b2c. 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
QuasarRAT
Vendor detections: 8
| SHA256 hash: | 3521e26f7239c5dd29ae5361b7d325c12fa40800733b18ad450ef08d89662b2c |
|---|---|
| SHA3-384 hash: | db9090e6764609e348b346a5c8d0fc55fbe92c565a7a47ee441d74e5774b6f7252f72dd0806e01af1529ff8f77c2ee1b |
| SHA1 hash: | af5f5c51f4f528a0c017dd3c2f77064cb3da9b01 |
| MD5 hash: | ef0337f0f27af0c99425583b91bdca90 |
| humanhash: | skylark-double-low-thirteen |
| File name: | eufive_20220301-141135 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 919'040 bytes |
| First seen: | 2022-03-02 11:05:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:zICpQyb3lBjj8ho8m657w6ZBLmkitKqBCjC0PDgM5Alt:zICpQyb3lBjj8hMVV1BCjBw |
| Threatray | 54 similar samples on MalwareBazaar |
| TLSH | T1A5157C1A33E88F66D1AF1735A8301A1987F5F407A2B6E7CF6950DCB91D673908E0076B |
| Reporter |  benkow_ |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm hacktool obfuscated obfuscated packed quasar rat replace.exe update.exe
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:
Rubeus
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Reline
Status:
Malicious
First seen:
2022-03-02 11:06:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 44 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Unpacked files
SH256 hash:
3521e26f7239c5dd29ae5361b7d325c12fa40800733b18ad450ef08d89662b2c
MD5 hash:
ef0337f0f27af0c99425583b91bdca90
SHA1 hash:
af5f5c51f4f528a0c017dd3c2f77064cb3da9b01
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
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: | pe_imphash |
|---|
| Rule name: | Quasar_RAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| Rule name: | Quasar_RAT_1_RID2B54 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_XORed_URL_in_EXE |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | SUSP_XORed_URL_in_EXE_RID2E46 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | XOREngine_Misc_XOR_Func |
|---|---|
| Author: | smiller cc @florian @wesley idea on implementation with yara's built in XOR function |
| Description: | Use with care, https://twitter.com/cyb3rops/status/1237042104406355968 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Dropped by
GCleaner
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