MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef0bc6b3030d77e348677e8f91644d09e59544a486a1b1767132ee20bce469af. 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: 9
| SHA256 hash: | ef0bc6b3030d77e348677e8f91644d09e59544a486a1b1767132ee20bce469af |
|---|---|
| SHA3-384 hash: | e24e8a369bc7247c0812fbafff6f4563db3caf26fa980d69c165cb8199847c7637be0f533bfb2dbf7894b7b3b25c22d1 |
| SHA1 hash: | e049460eb73a8a2dd98e660d61940aabfd810c35 |
| MD5 hash: | 25c49f72a4bc2e40113a4414a3b0613d |
| humanhash: | asparagus-kansas-kentucky-beer |
| File name: | 25c49f72a4bc2e40113a4414a3b0613d |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 170'496 bytes |
| First seen: | 2022-07-18 07:56:44 UTC |
| Last seen: | 2022-07-18 08:48:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 3072:imR6u4bjRDN+tH0ehHtjsaUcKxUsdG5xuWuynb64cUrDU7Lar4T5:94u4bNNkH0WtYaBshWuyb6NUrVr8 |
| Threatray | 1'892 similar samples on MalwareBazaar |
| TLSH | T1B5F33B207BE8930AE2FB03B5A4F151221BB6F5136E17D79E5C8422DE0D17B805E2277B |
| TrID | 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.9% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.2% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe QuasarRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QuasarStealer
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
quasar
Result
Verdict:
UNKNOWN
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-07-17 21:02:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 26 (69.23%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'882 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:office04s% spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
gewagg.hopto.org:1674
Unpacked files
SH256 hash:
ef0bc6b3030d77e348677e8f91644d09e59544a486a1b1767132ee20bce469af
MD5 hash:
25c49f72a4bc2e40113a4414a3b0613d
SHA1 hash:
e049460eb73a8a2dd98e660d61940aabfd810c35
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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_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: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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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