MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0
SHA3-384 hash: d4d004bcf1be8b85d003dcac545bf161ae1d8a20354f9ec27d88c0f0a2463b8eac42a540a61dc20a6ded198265029b7a
SHA1 hash: 0594a814e05c80618a72a865fa53d24fd351db5b
MD5 hash: df29ee043d88f265cd76747f62ab3ea7
humanhash: pennsylvania-bulldog-river-kentucky
File name:RFQ.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'973'632 bytes
First seen:2025-01-14 07:35:35 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:WhZ14lAzlFFzMsYLtZvQ1pVjLvAMQkWS27MtXE:WhZ1AAvFzMBNQTBIMQkXtX
Threatray 1'047 similar samples on MalwareBazaar
TLSH T14B0633543799DB03C88AA7F41922E2F867385D4CF961D20BAFD57EFF7976B081901A02
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 cocaman
Tags:exe QuasarRAT RFQ

Intelligence

File Origin
# of uploads :
1
# of downloads :
385
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2025-01-14 07:38:00 UTC
Tags:
netreactor evasion rat quasar remote asyncrat
Link:
https://app.any.run/tasks/bf77fceb-dc0f-4497-9e98-a421aca16955

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.Nanocore-10025638-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678613e44487910100dec28d
Tags:
infosteal autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/678613e9715c839cc31a560c/reports/db3fea43-291c-4d45-90a5-ceea0a4f6ac0/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/112da9b9-261d-4dbc-ad20-bd94ed19072b
Result
Threat name:
Quasar, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1590528
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Quasar
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1590528 Sample: RFQ.exe Startdate: 14/01/2025 Architecture: WINDOWS Score: 100 90 toolsbox.ydns.eu 2->90 92 ipwho.is 2->92 94 2 other IPs or domains 2->94 100 Suricata IDS alerts for network traffic 2->100 102 Found malware configuration 2->102 104 Malicious sample detected (through community Yara rule) 2->104 106 13 other signatures 2->106 11 RFQ.exe 7 2->11         started        15 Client.exe 2->15         started        17 OLHTuSLw.exe 5 2->17         started        signatures3 process4 file5 82 C:\Users\user\AppData\Roaming\OLHTuSLw.exe, PE32 11->82 dropped 84 C:\Users\...\OLHTuSLw.exe:Zone.Identifier, ASCII 11->84 dropped 86 C:\Users\user\AppData\Local\...\tmp3071.tmp, XML 11->86 dropped 88 C:\Users\user\AppData\Local\...\RFQ.exe.log, ASCII 11->88 dropped 126 Uses schtasks.exe or at.exe to add and modify task schedules 11->126 128 Adds a directory exclusion to Windows Defender 11->128 130 Injects a PE file into a foreign processes 11->130 19 RFQ.exe 4 11->19         started        23 powershell.exe 23 11->23         started        25 powershell.exe 23 11->25         started        33 2 other processes 11->33 27 powershell.exe 15->27         started        29 powershell.exe 15->29         started        35 3 other processes 15->35 132 Multi AV Scanner detection for dropped file 17->132 134 Machine Learning detection for dropped file 17->134 31 schtasks.exe 17->31         started        37 3 other processes 17->37 signatures6 process7 file8 80 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 19->80 dropped 108 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->108 39 Client.exe 19->39         started        42 schtasks.exe 1 19->42         started        110 Loading BitLocker PowerShell Module 23->110 44 conhost.exe 23->44         started        46 conhost.exe 25->46         started        48 conhost.exe 27->48         started        50 conhost.exe 29->50         started        52 conhost.exe 31->52         started        54 conhost.exe 33->54         started        56 conhost.exe 35->56         started        signatures9 process10 signatures11 112 Multi AV Scanner detection for dropped file 39->112 114 Machine Learning detection for dropped file 39->114 116 Adds a directory exclusion to Windows Defender 39->116 118 Injects a PE file into a foreign processes 39->118 58 Client.exe 39->58         started        62 powershell.exe 39->62         started        64 powershell.exe 39->64         started        66 schtasks.exe 39->66         started        68 conhost.exe 42->68         started        process12 dnsIp13 96 toolsbox.ydns.eu 185.222.57.67, 20901, 49735 ROOTLAYERNETNL Netherlands 58->96 98 ipwho.is 195.201.57.90, 443, 49737 HETZNER-ASDE Germany 58->98 120 Hides that the sample has been downloaded from the Internet (zone.identifier) 58->120 122 Installs a global keyboard hook 58->122 70 schtasks.exe 58->70         started        124 Loading BitLocker PowerShell Module 62->124 72 conhost.exe 62->72         started        74 conhost.exe 64->74         started        76 conhost.exe 66->76         started        signatures14 process15 process16 78 conhost.exe 70->78         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0/
Threat name:
ByteCode-MSIL.Trojan.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2025-01-13 07:20:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cuukmcagk3c2rt2ebwlwar6x7iy6spsihqibil2bmeepeeiul7ya._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
quasarrat
Create hunting rule
Similar samples:
3f233256d32f8c33884510be0e50b614a35642f6ed7cb76b1f480373b548b295
QuasarRAT
6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
QuasarRAT
7199a5bdf178d742904e1211b68d9a22c8c9384112c5d82aa2e41f4b93ca4433
QuasarRAT
error
QuasarRAT
fd3b039df3e9a565b6964276f98c61d4555f3f3dabf1a9d76604f9ff4d4b3fb7
QuasarRAT
+ 1'037 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:gasplant discovery execution spyware trojan
Link:
https://tria.ge/reports/250114-je8hba1paw/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
toolsbox.ydns.eu:20901
Verdict:
Malicious
Tags:
Win.Dropper.Nanocore-10025638-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a87e6248-4257-42f9-9a95-ea9d895371ec
Unpacked files
SH256 hash:
ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e
MD5 hash:
07f376b9489c31c2967bbfb9d15c3e34
SHA1 hash:
fc666dad24381af32375622a921751af60e1ddd9
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
win_quasarrat_j2
Create hunting rule
win_quasar_rat_client
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
Link:
https://www.unpac.me/results/921e5555-0346-4b4e-a701-80a20bee53a0/
Parent samples :
1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0
ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e
SH256 hash:
e08eb631183c9b2f7a4e3e5882b616fe54243d9cb15cff45d4936b77ed026754
MD5 hash:
756f21a9c542c7622cb801bb6f9b5e51
SHA1 hash:
d33674bc11cec099742a77462f4f3b32fb519c6a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/921e5555-0346-4b4e-a701-80a20bee53a0/
SH256 hash:
fe26a8a1df970da362283c68cfb162d4f1acc95a82ef2e8046a567083e658465
MD5 hash:
cd4c77cd32b55506c5682eba826ef4fa
SHA1 hash:
2205c17610803a3dbc2523a753f17cf9de0bc5b2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/921e5555-0346-4b4e-a701-80a20bee53a0/
Parent samples :
4666a51c6fef5c674a2f9596f5dfc485d0ed15646c1009ae3b586ddc78ed0910
7a531101bc8522d52f45933945d6b8728ad7b7f3c9aaefd2d18742f8ec4000cb
ee6993e7afbf9a039db981542c0250e22fcaa01434db911732851c9e52bb38b6
6439c8e94bd2398ad15bd8cbf86a9ca9528cecf77506357e894a359880282724
441c8c73ea3f781774e9ee684d4d51127ec736c9fb6423fad0aea20695abd3c3
58dfe85f084bedbc1861ed4afada8f0e284a70e10c84065cc6df13adc9fb45db
f4e61d736a58a0b2adb7acfdf25eb70f7c11f78bb98c23692678fb562e5cb0f4
502495e27b074fbeed433e65b5b72a694dba9bf7b02cacce16456fdfa8c36a59
9109456918e7833784c58988098f87eb007e4038f516241972d4cc2450f43df3
ece7de25d48e50e93d3d60f600a7676fe24a520916844f6826b4837ac8dd7ebc
8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f
ff686f645ff7a1b0672895a7a72a5ee528cd112b2469182c79c98f7621af607e
bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b
1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0
68fe78c0a8961da3a1121f95ebe63003c9a7c359edf68542d971d92632357422
f4da65fff4d9b2420e2375ce736d02b0dab3e4776115346c5219891ea8fc3c97
51f6f6e72cfb335f6e1d7936e91362c7993253ed665b772099327f90e5119682
3bee4d2ab33ac3f0605136f09cba556140d62ce9a0c1bdb1639159b43ae58943
e5eab0d46a0a0500431f1ef78dd03c8dc17b97794f558624dfa7a567e24245e1
31e7559f21054aca8a1cd2287e322f22e03ac6cbc84e1265c8ac1a3367403989
73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430
7eaa48d7132470ee30d85752c4d699c2667ef54c3b8270b9a67d9bbc41021bf1
7365e206478fad792a4c64390b32e1d21b16a5c080a6215eba8498c638877f06
a938112a54a6d8f1cb129c26253d2c11b2285837131c33d702a9e0cb5411c929
55d48276b91ae07b4a4b26ab074d2fae49ffdee7f227fc62587a46696ecbf2b3
effc68899a8894822054617b45d79a9b94f7b756c6ce55d0682c1c7ed7f52e60
4c51ade72aa2794149ab89c2db1913bbb7d9ffe35b8b19d0217744356c998744
125ec05200cbfcdfb774f734bcb6c32fbad9008f77feef9988fa9267e35e1ff4
994854c28e40e16874b726f21d183fa9209796321eff16fce8f638a7715d4c01
d1492c1b794e9e2825ab8c8dc030b73b18abe9b0c56a563edda6c9cb82921dfd
bb5414b3b9d636e081ef58e16f74b041a3eb30ec5eb4a4235fe46972eba0c519
02430eed2a0da0347c2b28a864ca61a55a79a925f4fbcdccb2806f2030c2ec4e
20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364
fad0d7b591575802da0e35b68ece5c3e47aff15c4e4d21f7c1014cbd58ee4b70
381f81e90da0353da606d75889c7b361b98e281121a68198f8c04374451747a6
SH256 hash:
1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0
MD5 hash:
df29ee043d88f265cd76747f62ab3ea7
SHA1 hash:
0594a814e05c80618a72a865fa53d24fd351db5b
Link:
https://www.unpac.me/results/921e5555-0346-4b4e-a701-80a20bee53a0/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1528a6080656/report/overview.html
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/1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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_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.

Malspam

QuasarRAT

rar 124eb5a9a5cc2692be7765cac6afdb191ec0eb8e860f5cd12c311299df10fe17

QuasarRAT

Executable exe 1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 124eb5a9a5cc2692be7765cac6afdb191ec0eb8e860f5cd12c311299df10fe17
  
Dropped by
MD5 742c6b3bbb2e13f4b677d7730db606f8

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

Comments