MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
SHA3-384 hash: 7c41ffb84fdd80222962c0785781efed81ffd0ee4b14dafbce0ac540867078f32f1f7347e55542c5a66a75aa1dc349bf
SHA1 hash: 8256ed4ab2dbbdfded195cb17cb3cc3c0d3ed308
MD5 hash: 556ce25283d7c1af591de4cbc3a815a3
humanhash: island-nuts-single-angel
File name:556ce25283d7c1af591de4cbc3a815a3.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'639'319 bytes
First seen:2025-06-27 13:19:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:nU44oa83Uo7DY9xyujlyIIcFhoGfGkGWyk9BpUqpBgBROhbiPT8v1Edf85P:nb4M3Uo/Y9K+FjH6k3KqrgBSrEdEd
TLSH T1C775238DB654769FC66FC476CB4D2DB09A00B47B535F8363A02726DCBE4C1AA9F140E2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
444
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
556ce25283d7c1af591de4cbc3a815a3.exe
Verdict:
Malicious activity
Analysis date:
2025-06-27 13:22:08 UTC
Tags:
confuser crypto-regex
Link:
https://app.any.run/tasks/20cb5787-98b7-49a2-a59d-93821fba456b

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/11361/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.22201.7889.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685e9a5837c3436779468d88
Tags:
phishing keylog remo word
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connecting to a non-recommended domain
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 confuser confuserex cryptor_detected entropy obfuscated obfuscated overlay packed packed
Link:
https://www.filescan.io/uploads/685e9aa4d1f1eb5d81c885de/reports/ea0d8434-4f17-40b3-b80c-f29a6b3e72fe/overview
Verdict:
Malicious
Labled as:
MSIL.Cassiopeia.Generic
Link:
https://www.hybrid-analysis.com/sample/0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e4241fa5-bdc2-44ff-8bd6-35c7cd3944a5
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1724186
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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:
PE
Link:
https://malprob.io/report/0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
Verdict:
inconclusive
YARA:
8 match(es)
Tags:
.Net Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/556ce25283d7c1af591de4cbc3a815a3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b/
Threat name:
ByteCode-MSIL.Trojan.Cassiopeia
Create hunting rule
Status:
Malicious
First seen:
2025-06-23 00:28:00 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bjcrqdy3h3zoqhuyrzcizp3owho63tmgjj7m6rvmliuk56hsoqfq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250627-qkntesgk6s/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d693f2ef-b934-4825-9378-f5a8e6943204
Unpacked files
SH256 hash:
dcf9fed092f9a5854c8c864fe962aa653b264a35c760ca49a2de883ae39c08df
MD5 hash:
7e491fdd2cff21f4cbd0d13b864682d3
SHA1 hash:
032ddfb094b0b78652571a05864a70d4883935e8
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
SH256 hash:
a0af255ea4b09a8cdb995b8c6fd1075e46f098e23c2351c974e6ded9b8b620cf
MD5 hash:
c52a44933d17d576d4c97b4cb0545841
SHA1 hash:
092696fdcc034910aa02c94a5c93f4e1e86e0c50
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
Parent samples :
78976f38ca4b4e62ead97e1222faa8ce79c0f9a517ef57bdeae4dc3f2c834d1b
818ef3d013069a7bacd3bf4d4a728ace9ea74ab518fb4adffcc0a23f57e4b585
50cb6b8d0f572cd355d682a3f3529854b98cc75e141e452c98bec0279ef1ace2
030c62f201281c0034102b3cab64490e51b0499a9b5fad498f1ded30b23dbf66
d65862ab1d8dfcba06ab6e1fc40d109d9c644cac4e02ef0c8fb30f96ec199b61
31e0765454785a12c86436331f67020b7390d16b9de42b954127799835eea36c
89a59fdc6d7e292adecc9602af1544e9d6c7fdb1f99f654a918d007422a93d14
78daa33cb739c0b1648f17599695cf0fc5ad0b1c7640d55d91e1d534a024c6f7
c8b2df4130ad422d0dab2be3798677609f0555f37d825cda228662d2112f3d6c
6597d0a917f2def35809cfcffd7c9098bc7e97eb62d35fb74486344208faf61a
a77fed3715f635883d0e54c30ab4d3ccad5afe0f845d27e5bff0f9410df4aaee
f879f50e21830b34b77fd94a33b6c395b9837bb701a7f5e4dad2e9d287af9e72
0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
6c2b4ca9e169f3d71f3fa2962b947c0f7b1e358e2e7ce6c9ee12778e0679f6b1
eb72d6dd2158ce9ad453f8ecfd5d6900cce588c196ae5806268cbaf3475848da
00b4241162e828f59e1a47467cdecd0c36f779e1e5b7c4930331c9104b6e1c55
SH256 hash:
66f85a449c902586444fe11270a15373e94443373edcb8333a3270c3ca23adea
MD5 hash:
f99781dc091bb1533f0c0beb78669fc1
SHA1 hash:
1b4f2b4c6387c1157bb42614dfd27239f1449d5a
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
SH256 hash:
e2d4a2a72b82afb90d3448ab8e13e8b5a9683c1d4a1c0706e5bd162ca97357b4
MD5 hash:
eff57dc7c27a31821b6f4716d2d50013
SHA1 hash:
234cedc1a5a1f6b002f8b81163d16ca5e42dffca
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
SH256 hash:
c9736bed57d137a0bd4a454a70436020312db5a365bdd243037e766695c18ccd
MD5 hash:
41b34eab1585d5381c56730b93dd1310
SHA1 hash:
510b640517342dbcc40c81b63db23fa1444a71ed
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
SH256 hash:
d7e1189e7411b0958a6e2fd7fa11bd82d8f8a2bf1715fa8e6b868db4307fc3d1
MD5 hash:
d906a230e0fe0df77b639a058e81c0ff
SHA1 hash:
85092e6fbb3a38b0525c3b4212cae65166471eb1
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
Parent samples :
1e545cdb8cc5bba3fb3a3b1baafa4e790b12098884fa797ad54611e3b873bd18
5f192f10cc75f3be973d6f3725fb0479f70f67fbb3412f9900a272730acf17b3
0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
fe36e08ae31520fd90fd8a195bc604a0f017cd1de909035f275842b7ee44bbfd
SH256 hash:
bc0243134c93c55ea105d0e9c2a43b6030e973290d0a061cf3a61986a2268a88
MD5 hash:
d2edde626c241549eab636aa87fb5d38
SHA1 hash:
8d836febd477b3ec44cc37f4f0aecdaa1d7db788
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
SH256 hash:
a2b638129323984352e669a8127661322b7eda717beb5661845d7abad073b348
MD5 hash:
4bb91f1ac6c4f3690a93d80f2ea6b917
SHA1 hash:
9cfec530c1c0933b960b36febee21aca89433eb6
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
SH256 hash:
b2781c97cfb0bd8fd52f82e06ccbf1572ab5ec88fb5856f0c7125b7cd884a0e8
MD5 hash:
839dd602735b75a18a2eaa0b4188846e
SHA1 hash:
b2f976fab0c29bd348c52f0348d320520a8c700d
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
SH256 hash:
0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b
MD5 hash:
556ce25283d7c1af591de4cbc3a815a3
SHA1 hash:
8256ed4ab2dbbdfded195cb17cb3cc3c0d3ed308
Link:
https://www.unpac.me/results/aded448b-e0d1-4bc7-9a5d-ac57d5545dac/
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/0a45180f1b3ef2e81e988e448cbf6eb1ddedcd864a7ecf46ac5a28aef8f2740b

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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
Cape
https://www.capesandbox.com/analysis/11361/

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 (HIGH_ENTROPY_VA)high

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