MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da. 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: 14

Intelligence 14 IOCs YARA 16 File information Comments

SHA256 hash:	eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da
SHA3-384 hash:	4a0ae85cbf6fecb6ec846298e3b691d1057430b2b8a5eedebbc02a39783ea0f14865ac843cf0b03c5824cfc603cd8521
SHA1 hash:	b1325e21264daa038ce90721bef4b9b03b8d6927
MD5 hash:	c44b15e4a7a7fbd09a5d7e90b7113767
humanhash:	salami-harry-apart-jupiter
File name:	c44b15e4a7a7fbd09a5d7e90b7113767.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	2'001'920 bytes
First seen:	2025-07-09 06:41:52 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	24576:9E2SWeWBRYRR1qJvHIPbcNE0KKSb7yviUSQaBaOwIRxl2S62/9RwDtGk/DaY8Wc8:X7YReEwKKSb7L3wip6mwBG
TLSH	T16C95AF2039EA401AF1B7AF75D7E0B5DA4B7EF223760A965D249503460E23B41EDC723B
TrID	58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.4% (.EXE) Win64 Executable (generic) (10522/11/4) 5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	abuse_ch
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

_eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da.exe

Verdict:

Malicious activity

Analysis date:

2025-07-09 07:01:28 UTC

Tags:

evasion crypto-regex

Link:

https://app.any.run/tasks/e4370272-0cbb-4259-b191-f3c2e5d9cef1

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/13637/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Bulz-9933026-0

Win.Malware.Generic-6623004-0

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686e0f4e900df8e7f868dff1

Tags:

emotet virus msil remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Setting a keyboard event handler

Connecting to a non-recommended domain

Connection attempt

Sending a custom TCP request

DNS request

Using the Windows Management Instrumentation requests

Verdict:

Malicious

Labled as:

MSIL.Krypt.Generic

Link:

https://www.hybrid-analysis.com/sample/eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8bff044b-bb62-40bf-825d-8b73277c976f

Result

Threat name:

Quasar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1731574

Signature

.NET source code contains potential unpacker

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da

Verdict:

inconclusive

YARA:

11 match(es)

Tags:

.Net Executable Fody/Costura Packer PDB Path PE (Portable Executable) SOS: 0.00 SOS: 0.01 SOS: 0.02 SOS: 0.03 SOS: 0.04 SOS: 0.06 SOS: 0.07 SOS: 0.13 SOS: 0.41 Win 32 Exe x86

Link:

https://app.malva.re/file/c44b15e4a7a7fbd09a5d7e90b7113767

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da/

Verdict:

Malicious

Threat:

Win32.Backdoor.Quasar

Link:

https://tip.neiki.dev/file/eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da

Threat name:

ByteCode-MSIL.Backdoor.FormBook

Status:

Malicious

First seen:

2025-06-30 07:06:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5nznnxjbldhjvvct7dwp2xljadgolcgbs2xfqbrgrs5pgr2yjdna._file

Verdict:

malicious

Label(s):

quasarrat

Similar samples:

error

QuasarRAT

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/250709-hgg8gacl7s/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Verdict:

Malicious

Tags:

Win.Malware.Generic-9883083-0

YARA:

n/a

Link:

https://app.threat.zone/submission/87348354-e66e-401b-8cd8-77df39ab1932

Unpacked files

SH256 hash:

eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da

MD5 hash:

c44b15e4a7a7fbd09a5d7e90b7113767

SHA1 hash:

b1325e21264daa038ce90721bef4b9b03b8d6927

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

SH256 hash:

a0af255ea4b09a8cdb995b8c6fd1075e46f098e23c2351c974e6ded9b8b620cf

MD5 hash:

c52a44933d17d576d4c97b4cb0545841

SHA1 hash:

092696fdcc034910aa02c94a5c93f4e1e86e0c50

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

Parent samples :

78976f38ca4b4e62ead97e1222faa8ce79c0f9a517ef57bdeae4dc3f2c834d1b
818ef3d013069a7bacd3bf4d4a728ace9ea74ab518fb4adffcc0a23f57e4b585
50cb6b8d0f572cd355d682a3f3529854b98cc75e141e452c98bec0279ef1ace2
030c62f201281c0034102b3cab64490e51b0499a9b5fad498f1ded30b23dbf66
d65862ab1d8dfcba06ab6e1fc40d109d9c644cac4e02ef0c8fb30f96ec199b61
31e0765454785a12c86436331f67020b7390d16b9de42b954127799835eea36c
89a59fdc6d7e292adecc9602af1544e9d6c7fdb1f99f654a918d007422a93d14
78daa33cb739c0b1648f17599695cf0fc5ad0b1c7640d55d91e1d534a024c6f7
c8b2df4130ad422d0dab2be3798677609f0555f37d825cda228662d2112f3d6c
6597d0a917f2def35809cfcffd7c9098bc7e97eb62d35fb74486344208faf61a
a77fed3715f635883d0e54c30ab4d3ccad5afe0f845d27e5bff0f9410df4aaee
f879f50e21830b34b77fd94a33b6c395b9837bb701a7f5e4dad2e9d287af9e72
0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1
eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da
00b4241162e828f59e1a47467cdecd0c36f779e1e5b7c4930331c9104b6e1c55

SH256 hash:

776a1b2c8414b971f15a96a40f99fa6e4e9df32a15164e4af7a7f44875450458

MD5 hash:

b7b366fc57735f2db97df3dfa4f08bbb

SHA1 hash:

28e010ad6586349c0d1d3a0cee96cb836df08d3b

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

HKTL_NET_GUID_Quasar

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

SH256 hash:

4c9615496970ea84320e2a6e99f8fb828e3c7790384df5585d93fc368885d94e

MD5 hash:

50e6524b7ee9c2c93f5210b63cb1ca54

SHA1 hash:

3e296ec3bb24750833ea80515e6fb4c73874c91a

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

SH256 hash:

1ea4c50d5c04107b931c4b76b4f9e9a4ffe904c3524d5df0e4b7aa68aa3ca49d

MD5 hash:

77780e0f228bd58f86819d38b66ed272

SHA1 hash:

4171eb468279c0506946457ab1de4edb943197ce

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

SH256 hash:

c9736bed57d137a0bd4a454a70436020312db5a365bdd243037e766695c18ccd

MD5 hash:

41b34eab1585d5381c56730b93dd1310

SHA1 hash:

510b640517342dbcc40c81b63db23fa1444a71ed

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

SH256 hash:

52baff5ea0f63cf37ae0cc5a77504ee22491cefb4e61a51c1b4d157511916c35

MD5 hash:

839dd924eb6e9e5672d79241c8ae292d

SHA1 hash:

c191c6ee754956190667ad971f8abfaed8eacc92

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

HKTL_NET_GUID_Quasar

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

Parent samples :

e553c34b8aabb6ad42dfdb8a77759b32c6c035f2fc82618eefa2261c71dee761
62e2c7d860a0e3e0975c5b9da5193f9ab3ca6c56ef4eea46d17cc87ac4598b90
eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da
6e6e691a7f98fc4086f2bec28b34b2474ab783e9408c611e789a00107a24c227
7e4fe2503e3dd2028c230f5e0413423f1dbbcbda01a252d22c8ece243979e927
4f831bfdd5b3ab7f4194b6fd391cac71b70ba7ced3489eb2bdf78170eb1214e9

SH256 hash:

9429f05aa4ab1ef92a0237410ea103cffa406b071953d50f5e7a55496d517c02

MD5 hash:

1c2c6b341535661b7501f5c4a434a78e

SHA1 hash:

f45aefa816f86830bee41c0e5426e641d5af3c06

Link:

https://www.unpac.me/results/96c3dd4a-61ae-464e-a852-0f67c4a22a49/

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/eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da

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:	cobalt_strike_beacon_detected Create hunting rule
Author:	0x0d4y
Description:	This rule detects cobalt strike beacons.

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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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:	NET 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/13637/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

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