MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2542c50c1c52f82cd9b5ea1e299706c5d5b415f310b75d5f9b21849e44529cba. 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: 16
| SHA256 hash: | 2542c50c1c52f82cd9b5ea1e299706c5d5b415f310b75d5f9b21849e44529cba |
|---|---|
| SHA3-384 hash: | 02803b7eaa07425a05d4f949ce795a1e4f32f63ab1baf17f7323e6ac8d433bf0ae234bbe015a1ffa99392f28b78020c7 |
| SHA1 hash: | 7cb38c25d7f9195f72b4a7f7b99f92438533dd4a |
| MD5 hash: | afda6f908d3853f95248e21c224f4536 |
| humanhash: | don-uncle-carpet-mockingbird |
| File name: | file |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 1'660'928 bytes |
| First seen: | 2025-12-19 08:43:48 UTC |
| Last seen: | 2025-12-19 08:48:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e8cd7e92fba2d273e93a6e4a89b06cd0 (1 x QuasarRAT) |
| ssdeep | 24576:p+ewG5RlxwhiZxVBfzPMWzSSezP2bgeSJ7Wbk5CAnzS0bqkrgGy0EydINtqn:p+ewylOhiLrfzP42bgeSJH1nJmQEl0n |
| Threatray | 931 similar samples on MalwareBazaar |
| TLSH | T1CB7533D4F518332ACC90207BE7EB79BF97AB9A600706532F51BD35046AFA9D22C2D4D1 |
| TrID | 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.6% (.ICL) Windows Icons Library (generic) (2059/9) 15.4% (.EXE) OS/2 Executable (generic) (2029/13) 15.2% (.EXE) Generic Win/DOS Executable (2002/3) 15.2% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | dropped-by-amadey exe fbf543 QuasarRAT |
Intelligence
File Origin
# of uploads :
3
# of downloads :
119
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_2542c50c1c52f82cd9b5ea1e299706c5d5b415f310b75d5f9b21849e44529cba.exe
Verdict:
Malicious activity
Analysis date:
2025-12-19 08:45:27 UTC
Tags:
auto-reg donutloader loader crypto-regex pulsar rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
autorun virus sage remo
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
hacktool masm packed
Verdict:
Malicious
Labled as:
Lazy.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-19T05:51:00Z UTC
Last seen:
2025-12-20T04:40:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Banker.MSIL.ClipBanker.gen Trojan-GameThief.MSIL.Worgtop.a Trojan.Win64.DonutInjector.sb Trojan.Win32.Shellcode.sb Trojan.Win64.Agentb.sb PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Quasar.gen Trojan-PSW.MSIL.Agent.sb Trojan-GameThief.MSIL.Worgtop.b Trojan.Win64.Donut.sb Backdoor.MSIL.Agent.sb Trojan.Win32.Shellcode.jrf
Verdict:
Malicious
Score:
98%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.PULSAR
Threat name:
Win64.Backdoor.Quasar
Status:
Malicious
First seen:
2025-12-19 08:44:12 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
quasarrat
donutloader
Similar samples:
+ 921 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:donutloader family:quasar botnet:office04 execution loader persistence spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Detects DonutLoader
DonutLoader
Donutloader family
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
88.185.86.131:49821
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2542c50c1c52f82cd9b5ea1e299706c5d5b415f310b75d5f9b21849e44529cba
MD5 hash:
afda6f908d3853f95248e21c224f4536
SHA1 hash:
7cb38c25d7f9195f72b4a7f7b99f92438533dd4a
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
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