MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1. 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:	6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1
SHA3-384 hash:	ad8dcdef1f5a06cbab58c7b57ffc7d6d5006e9ded875c2fa4af36a9da32c8415eec53829f93e05660fde1addbb7a27a3
SHA1 hash:	e05f70b91d908fd5d4195fd332586d6a6787bcbe
MD5 hash:	31e12a9f69593892fe52fa3b799e9ada
humanhash:	autumn-table-oklahoma-eleven
File name:	6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'843'584 bytes
First seen:	2025-07-07 15:23:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	98304:zhcJinaokGnSNeZfpnk0X5bev+s7ZtGXayDJ7tH0:GJaJzS4ZhvXSF83Dt
Threatray	100 similar samples on MalwareBazaar
TLSH	T1D60623DC3A4575EEC85BC8728E985D70B9842D3B430E8613E06735DEAA3DD87DF181A2
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 :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/13334/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686be6df900df8e7f86856d4

Tags:

autorun packed virus sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

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 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:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1

Verdict:

inconclusive

YARA:

11 match(es)

Tags:

.Net Executable PE (Portable Executable) SOS: 0.25 Win 32 Exe x86

Link:

https://app.malva.re/file/31e12a9f69593892fe52fa3b799e9ada

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1/

Threat name:

Win32.Backdoor.Quasar

Status:

Malicious

First seen:

2025-06-29 13:42:29 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 36 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=nqvuzkpbnhz5ohz7uklcxfd4b55r4nmofz6onspocj3y4btz62yq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

0bdc4e6fdc8e32408990cff8e711a21a86e02007d6a1683b7129e76c2bc1ebbd

QuasarRAT

337de3ec21865f342e56f5c6f1a831533050ccb46fe717b620b708853577b549

QuasarRAT

35eabe9993c9b53c23015aadaba9ba235700833c3abb7838cf57d3dcaa755d2b

QuasarRAT

94e36ae9ccadc3ab6bdf0e2aa5be7d4927f61a9b2bc572bc78f06569372e5652

QuasarRAT

c5add8fc87f51a5cd7297f626bcffbe1d5a61dd3045d920dbf81ab35918d7835

QuasarRAT

ec623337e17c8a9b0cd636c905b9b1e474040516e7bd4cb6fdc45310ecf2181c

QuasarRAT

error

QuasarRAT

+ 90 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office07 discovery execution persistence spyware trojan

Link:

https://tria.ge/reports/250707-ss613sgn3x/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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

Link:

https://app.threat.zone/submission/d9c27e70-542c-4b78-bf79-b525c462a3eb

Unpacked files

SH256 hash:

6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1

MD5 hash:

31e12a9f69593892fe52fa3b799e9ada

SHA1 hash:

e05f70b91d908fd5d4195fd332586d6a6787bcbe

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

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/5310e136-b96b-4568-aa33-82f21de93460/

Parent samples :
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SH256 hash:

c57968cde306fc27e80ef8ab1f26bc4ba278de71b4e2d4ef3e010db4c5043f9f

MD5 hash:

01d2365eca741d823b8910da6564e3cd

SHA1 hash:

8d082d6d10ca945fac4a4e7934356e87ead51718

Detections:

SUSP_NET_NAME_ConfuserEx

INDICATOR_EXE_Packed_ConfuserEx

INDICATOR_EXE_Packed_ConfuserEx_Custom

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

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

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

Parent samples :

86e4f01efa31f2491341bcc774c318ef1bda2d1dcd1bbce13b463c2f1b517221
94e36ae9ccadc3ab6bdf0e2aa5be7d4927f61a9b2bc572bc78f06569372e5652
ed943a94a73e12300c6fe833b553cddd1cefda33fd849300447e33d33c0758c7
da1725bbfd77ba1824cb501a5e6614c715531aa5b9d0e98151840173e9f26046
6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1
0bdc4e6fdc8e32408990cff8e711a21a86e02007d6a1683b7129e76c2bc1ebbd

SH256 hash:

d86f5f278fbd2c5f1b7cd6bb405b636fd731d6e2bdaacc169b23b3b1353a4dfa

MD5 hash:

0e3d6c176c277470d0f13db5cf09be9b

SHA1 hash:

f05591d49d4b0688e7fe2cac490f2a7da84e5725

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

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/5310e136-b96b-4568-aa33-82f21de93460/

Parent samples :

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

SH256 hash:

4c9615496970ea84320e2a6e99f8fb828e3c7790384df5585d93fc368885d94e

MD5 hash:

50e6524b7ee9c2c93f5210b63cb1ca54

SHA1 hash:

3e296ec3bb24750833ea80515e6fb4c73874c91a

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

SH256 hash:

13dac5cbf7de9713b85b8303905122034225f8b5fd0dee1f11a6de697fcc7c66

MD5 hash:

f6ff29f2833883e940ac471151da7935

SHA1 hash:

6cb059855c9f24643bebee5eceeb30ed14bbffba

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

SH256 hash:

56f525e33494f4cd2a560a71cdf237303a3fb54a8fa44e1693eba35c9245c60a

MD5 hash:

07137e5cc4d5ecc95ca267c9dce042d4

SHA1 hash:

d82f5e3d718bc9172fcfe0e8c50cb20251762058

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

SH256 hash:

15ca83ef997a4aad67a831ad81bcd55358326e4e8ea7437463c286c1567629ff

MD5 hash:

079f6e518250711fbe729137c9770633

SHA1 hash:

f006acbf3a2aa17a99770bdb24b4ee0e16d6c2ab

Link:

https://www.unpac.me/results/5310e136-b96b-4568-aa33-82f21de93460/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1

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 Create hunting rule
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 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/13334/

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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