MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71. 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 26 File information Comments

SHA256 hash:	19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71
SHA3-384 hash:	cb9e7f20faf33e11c9d075d1df2be7d8df735afc1b3b182c829ef217827fcde50f861b2b589ddc2a2592217c72e89292
SHA1 hash:	e64c4666b102ab5db6a0692ab4a90a3c5bec5a5d
MD5 hash:	4b81abf8d1bbcde2c4149b7151d156cb
humanhash:	idaho-hot-bacon-friend
File name:	SecuriteInfo.com.Win32.MalwareX-gen.27745.1742
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'949'568 bytes
First seen:	2025-06-27 06:23:33 UTC
Last seen:	2025-06-27 07:30:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	98304:pEh9c1x/yBVnvSdDCfowdX60HG/dxga0JXF9rx5Mj/gQaTIv:pEhSXyBVnvSZdeXN8L0J3YaM
TLSH	T1B10623CA3215F1ADD823C431DA691EFABB116C3B470F0E13801B7988966D5BEDE352B5
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	71cc8e9ca48cd8e1 (3 x QuasarRAT)
Reporter	SecuriteInfoCom
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

428

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SecuriteInfo.com.Win32.MalwareX-gen.27745.1742

Verdict:

Malicious activity

Analysis date:

2025-06-27 06:23:56 UTC

Tags:

auto-reg crypto-regex confuser

Link:

https://app.any.run/tasks/150b026c-308f-4cf4-90ee-89566be802d3

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/11304/

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.27745.1742.UNOFFICIAL

PUA.Win.Packed.ConfuserEx-6582917-0

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=685e39f40fceda814b4681d9

Tags:

autorun packed spawn sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Creating a window

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Launching a process

Enabling autorun by creating a file

Verdict:

Malicious

Labled as:

MSILHeracles.Generic

Link:

https://www.hybrid-analysis.com/sample/19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0507fffe-a3ba-46e4-aedf-7f16475b304a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71

Verdict:

inconclusive

YARA:

8 match(es)

Tags:

Executable PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/4b81abf8d1bbcde2c4149b7151d156cb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2025-06-27 03:50:39 UTC

AV detection:

22 of 38 (57.89%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dflvvjf5mgai37qp6czefdf5t2i6y5hetf4pd3l3subz6rkllvyq._file

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office03 discovery spyware trojan

Link:

https://tria.ge/reports/250627-g6n7mshl5t/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Executes dropped EXE

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

mjoatboating.ydns.eu:4787

Verdict:

Informative

Tags:

red_team_tool

YARA:

SUSP_NET_NAME_ConfuserEx

Link:

https://app.threat.zone/submission/cb679190-b432-4a9f-824c-e62a62d2c69c

Unpacked files

SH256 hash:

19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71

MD5 hash:

4b81abf8d1bbcde2c4149b7151d156cb

SHA1 hash:

e64c4666b102ab5db6a0692ab4a90a3c5bec5a5d

Link:

https://www.unpac.me/results/4bb6f52e-2d38-4c31-99e2-b20639200d90/

SH256 hash:

c1f0d0acb4a7502481260a988d37d33a7a3f6c038ac63ecce0c3e2eef6004e16

MD5 hash:

69943cd4e7139b49276a1295aeb700e7

SHA1 hash:

8661ae54df562e3e82f2242f6c24c398e9a7ed95

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

Link:

https://www.unpac.me/results/4bb6f52e-2d38-4c31-99e2-b20639200d90/

Parent samples :

337de3ec21865f342e56f5c6f1a831533050ccb46fe717b620b708853577b549
19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71
72408c6e85f34e8002d8e0439afef5823a5e6f45ef2cec0b6f8457365d56120c

SH256 hash:

19ff6d8591ec82c6912bc0f87aab6551b70db8d8d6c5cef1f8c59dee4428409d

MD5 hash:

df317c003eae4903a36cc5788eb6fe36

SHA1 hash:

b629bd58f921ec34cc43800d058eebff8d72849e

Link:

https://www.unpac.me/results/4bb6f52e-2d38-4c31-99e2-b20639200d90/

SH256 hash:

54318b1aa19a8a1204bd1bae61231e66b1c0324d713379d043d8b6b54eaf4c77

MD5 hash:

5dd66366e263150fbdf924047bb2ff58

SHA1 hash:

dd843c623f7ed2ae911d14e9ee5468059816be63

Detections:

SUSP_NET_NAME_ConfuserEx

INDICATOR_EXE_Packed_ConfuserEx

INDICATOR_EXE_Packed_ConfuserEx_Custom

Link:

https://www.unpac.me/results/4bb6f52e-2d38-4c31-99e2-b20639200d90/

SH256 hash:

60ca1574d0c916d1f5686bcf871488710a2677a68c94f65a2be47d707976c061

MD5 hash:

d8c04d4e36632b4d5fb0ffab446877ed

SHA1 hash:

6092ad4043c572c8a5616f8a1b343aa94bca25a3

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

HKTL_NET_GUID_Quasar

Link:

https://www.unpac.me/results/4bb6f52e-2d38-4c31-99e2-b20639200d90/

Parent samples :

d65862ab1d8dfcba06ab6e1fc40d109d9c644cac4e02ef0c8fb30f96ec199b61
969ae30c1e3ef08840b3fd85f4abe4ef6eef6eb41257bcb58be3126a5cfeb872
d4cdc7632ae0821d13906a9ca0b02a257997a0c2512c07f25053df70f92ea195
3a336deb4df669600491e2d9736f05f2b04b4eb11a25e082f3409a2fbfc12cf4
e66ca5568b7156f5d0d890b4a996705b103be6a14fe74673e980f4636de98ebb
337de3ec21865f342e56f5c6f1a831533050ccb46fe717b620b708853577b549
19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71
86e4f01efa31f2491341bcc774c318ef1bda2d1dcd1bbce13b463c2f1b517221
94e36ae9ccadc3ab6bdf0e2aa5be7d4927f61a9b2bc572bc78f06569372e5652
72408c6e85f34e8002d8e0439afef5823a5e6f45ef2cec0b6f8457365d56120c
ed943a94a73e12300c6fe833b553cddd1cefda33fd849300447e33d33c0758c7
da1725bbfd77ba1824cb501a5e6614c715531aa5b9d0e98151840173e9f26046
6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1
0bdc4e6fdc8e32408990cff8e711a21a86e02007d6a1683b7129e76c2bc1ebbd
7e9868f4da3238a549866769de126d9ef902b19c4760701d8f883f54bf8961c0

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/19575aa4bd61/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/19575aa4bd61808dfe0ff0b2428cbd9e91ec74e49978f1ed7b95039f454b5d71

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:	Check_Dlls Create hunting rule

Rule name:	Costura_Protobuf Create hunting rule
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 Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	INDICATOR_EXE_Packed_ConfuserEx Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with ConfuserEx Mod

Rule name:	INDICATOR_EXE_Packed_ConfuserEx_Custom Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with ConfuserEx Custom; outside of GIT

Rule name:	INDICATOR_EXE_Packed_Fody Create hunting rule
Author:	ditekSHen
Description:	Detects executables manipulated with Fody

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
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 Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	MAL_BackNet_Nov18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

Rule name:	MAL_BackNet_Nov18_1_RID2D6D Create hunting rule
Author:	Florian Roth
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

Rule name:	MAL_QuasarRAT_May19_1 Create hunting rule
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 Create hunting rule
Author:	Florian Roth
Description:	Detects QuasarRAT malware
Reference:	https://blog.ensilo.com/uncovering-new-activity-by-apt10

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
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 Create hunting rule
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.

Cape

https://www.capesandbox.com/analysis/11304/

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