MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d7949a0bb7773152f04c1167f22dec72e909edc378910fb9d80f3793515b7801. 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: 11
| SHA256 hash: | d7949a0bb7773152f04c1167f22dec72e909edc378910fb9d80f3793515b7801 |
|---|---|
| SHA3-384 hash: | c0990c4ec9d79df78b2c05a297d1b1d56cb6bc81b17e026a06a77c675db99b605f164b6054bc92bc04a6dd9c3f5d7b52 |
| SHA1 hash: | 7a9b404618808efd35524bced9f2818ff74f7fa3 |
| MD5 hash: | 39ab8b36540690c2e57ac6cfe09893e0 |
| humanhash: | kilo-minnesota-monkey-ack |
| File name: | 39ab8b36540690c2e57ac6cfe09893e0 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 912'896 bytes |
| First seen: | 2022-06-12 06:02:53 UTC |
| Last seen: | 2022-07-14 05:36:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'249 x SnakeKeylogger) |
| ssdeep | 12288:ahJbg9i2mfw3QY1q+62CMdjJPqH22qla5w/yXbxEFsbRLbag+l4FeDavjfDVB:ajbgU2D3i+62nzSH0MW/IbxE8ZBV |
| Threatray | 8 similar samples on MalwareBazaar |
| TLSH | T18B159E4DA742CD66EC10E3F0DDF367A01658DB750DAE5367AB693A2ED0373A22D10B06 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | d8d898a1919989b1 (1 x AgentTesla, 1 x AsyncRAT, 1 x QuasarRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe QuasarRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 96.8.112.20:3355 | https://threatfox.abuse.ch/ioc/694154/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
442
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
39ab8b36540690c2e57ac6cfe09893e0
Verdict:
Suspicious activity
Analysis date:
2022-06-12 06:03:36 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed quasar wacatac
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:
Malicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-06-11 14:03:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
22 of 26 (84.62%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:office04 spyware suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Quasar Payload
Quasar RAT
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
Malware Config
C2 Extraction:
96.8.112.20:3355
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
SH256 hash:
36f7464ba9e7833916471c11a9948000b4ad230e58fc4637f404248c3af7d1d9
MD5 hash:
f256399a80552f791c22fe782228aad2
SHA1 hash:
823983e508f1b73c8bccf16cf1d19610e7397897
SH256 hash:
547fc2bdf2319ff423b9089dd22da68055e46cf317bf06f70ea365d9dc016f6b
MD5 hash:
b652357536feec8b90a12374da1fec86
SHA1 hash:
77cb1a0ef21ef2fe5f65fd291cb320d218808366
SH256 hash:
d7949a0bb7773152f04c1167f22dec72e909edc378910fb9d80f3793515b7801
MD5 hash:
39ab8b36540690c2e57ac6cfe09893e0
SHA1 hash:
7a9b404618808efd35524bced9f2818ff74f7fa3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
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_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_GENInfoStealer |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing common artifcats observed in infostealers |
| Rule name: | MALWARE_Win_QuasarStealer |
|---|---|
| Author: | ditekshen |
| Description: | Detects Quasar infostealer |
| Rule name: | MAL_Lokibot_Stealer |
|---|---|
| Description: | Detects Lokibot Stealer Variants |
| Rule name: | MAL_QuasarRAT_May19_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | MAL_QuasarRAT_May19_1_RID2E1E |
|---|---|
| Author: | Florian Roth |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Typical_Malware_String_Transforms |
|---|---|
| Author: | Florian Roth |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Typical_Malware_String_Transforms_RID3473 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Vermin_Keylogger_Jan18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Vermin Keylogger |
| Reference: | https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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