MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da1725bbfd77ba1824cb501a5e6614c715531aa5b9d0e98151840173e9f26046. 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: 12


Intelligence 12 IOCs YARA 27 File information Comments

SHA256 hash: da1725bbfd77ba1824cb501a5e6614c715531aa5b9d0e98151840173e9f26046
SHA3-384 hash: 7b12348245aed13d6efde7a7c3b327a0643280b1822f213a834ed99232e445297b0a25eaedae2b2777f3d7ccd96d6483
SHA1 hash: ea28c6cc7d1887ef053d77fdc75116ab4d36e776
MD5 hash: 782b0a70cbd39bc2c8e95a4899f81930
humanhash: lithium-foxtrot-wisconsin-nevada
File name:da1725bbfd77ba1824cb501a5e6614c715531aa5b9d0e98151840173e9f26046
Download: download sample
Signature QuasarRAT
File size:3'851'264 bytes
First seen:2025-07-07 15:23:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:hVxr9xt5PGUUYghbUMAIe0TROPsLY0e9e4q:7vdGrYglUri2sLY1p
Threatray 100 similar samples on MalwareBazaar
TLSH T19C0633ED3144BAAEC463C07189646C38E6607C7AD71A1243A11739EEAF3D897CF548F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon f0c0db6c6a7af0fc (24 x Formbook, 6 x QuasarRAT, 5 x RemcosRAT)
Reporter adrian__luca
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
21
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
autorun packed spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Connection attempt to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.25 Win 32 Exe x86
Threat name:
Win32.Hacktool.Aikaantivm
Status:
Malicious
First seen:
2025-06-29 17:28:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 24 (91.67%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office07 discovery execution persistence spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
mjoatboating.ydns.eu:4787
bhirtyfive55.ydns.eu:4785
Verdict:
Malicious
Tags:
red_team_tool
YARA:
SUSP_NET_NAME_ConfuserEx
Unpacked files
SH256 hash:
da1725bbfd77ba1824cb501a5e6614c715531aa5b9d0e98151840173e9f26046
MD5 hash:
782b0a70cbd39bc2c8e95a4899f81930
SHA1 hash:
ea28c6cc7d1887ef053d77fdc75116ab4d36e776
SH256 hash:
0b5be15273daf52536c90cc50bf2ed05d51cfe78edd37c0a1fb4057c6b1d2b30
MD5 hash:
2d49429cac04ee98cd6b3e0e75cf6e3d
SHA1 hash:
13d54168074f0e3402e09b2990e2c0a092af7769
SH256 hash:
e0c2f98de7226a6031acbedd1c19479cf50398653fe2c7c01b93bfabcdfb7d57
MD5 hash:
a51300f24dc92b316fa88b9b804a12e6
SHA1 hash:
ab5935bec7626f3f254ae1a6b1f8df104ccf0225
Detections:
QuasarRAT cn_utf8_windows_terminal malware_windows_xrat_quasarrat MAL_QuasarRAT_May19_1 MAL_BackNet_Nov18_1 INDICATOR_EXE_Packed_Fody INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
SH256 hash:
40b6b9575020be7c1b43adb92e32667a538dc7d4e1146f6b0fa643ddf76fb113
MD5 hash:
4d316acc2630872a0478e7e8bc9dff70
SHA1 hash:
de6120f222e7b8cca957634ef724d67cf2690b41
Detections:
SUSP_NET_NAME_ConfuserEx INDICATOR_EXE_Packed_ConfuserEx INDICATOR_EXE_Packed_ConfuserEx_Custom
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Check_Dlls
Rule name:Costura_Protobuf
Author:@bartblaze
Description:Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_EXE_Packed_ConfuserEx_Custom
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Custom; outside of GIT
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth (Nextron Systems)
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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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