MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7. 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: 17


Intelligence 17 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
SHA3-384 hash: 786dd3243ef3835adcfd8ce99977d8732949bf6d6624336c6d33e5b3d2c1389b0034f615344aadecd2d665b9951c6247
SHA1 hash: 6862b41edee8d724004e9ada90d21289c3d45bef
MD5 hash: 0994bce735fc8bb848d1431edf6338da
humanhash: speaker-papa-shade-idaho
File name:doc_rfq Oferta KH 09281.pdf.com
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'706'880 bytes
First seen:2024-09-09 06:52:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:JrDJO6ifOJhQGiwCa98Grb6PFMPhQCMmgu1gGHO1P:HOzfOJhBLCaHrk8rbfH6P
Threatray 812 similar samples on MalwareBazaar
TLSH T1980633D59B29E12AC749133E4931E1379E355E6EF006A30EC7CEFCD7398B2563A58848
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter Anonymous
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
387
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
doc_rfq Oferta KH 09281.pdf.com
Verdict:
Malicious activity
Analysis date:
2024-09-09 06:55:25 UTC
Tags:
rat asyncrat remote quasar evasion
Link:
https://app.any.run/tasks/4896a23a-4465-4aa5-b511-24df4d59c7c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.25962.15753.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66de9b50fccb5d469de0d074
Tags:
Execution Generic Infostealer Network Stealth Trojan Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/66de9b4f4a2597249d52c54f/reports/f0db5897-b1cf-4cb4-869f-9af69a2f9f0b/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/475da58d-db85-46b0-9973-d10bd5b08d27
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1507753
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1507753 Sample: doc_rfq Oferta KH 09281.pdf... Startdate: 09/09/2024 Architecture: WINDOWS Score: 100 48 twart.myfirewall.org 2->48 50 ipwho.is 2->50 52 bg.microsoft.map.fastly.net 2->52 60 Multi AV Scanner detection for domain / URL 2->60 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 11 other signatures 2->66 11 doc_rfq Oferta KH 09281.pdf.com.exe 3 2->11         started        15 workbook.exe 2 2->15         started        signatures3 process4 file5 46 doc_rfq Oferta KH 09281.pdf.com.exe.log, ASCII 11->46 dropped 72 Injects a PE file into a foreign processes 11->72 17 doc_rfq Oferta KH 09281.pdf.com.exe 4 11->17         started        21 doc_rfq Oferta KH 09281.pdf.com.exe 11->21         started        23 workbook.exe 2 15->23         started        25 workbook.exe 15->25         started        27 workbook.exe 15->27         started        signatures6 process7 file8 44 C:\Users\user\AppData\...\workbook.exe, PE32 17->44 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->58 29 workbook.exe 3 17->29         started        32 schtasks.exe 1 17->32         started        signatures9 process10 signatures11 74 Multi AV Scanner detection for dropped file 29->74 76 Machine Learning detection for dropped file 29->76 78 Injects a PE file into a foreign processes 29->78 34 workbook.exe 15 2 29->34         started        38 conhost.exe 32->38         started        process12 dnsIp13 54 twart.myfirewall.org 213.159.74.80, 49735, 9792 CTINET-ASCTINETAutonomousSystemRU Russian Federation 34->54 56 ipwho.is 195.201.57.90, 443, 49737 HETZNER-ASDE Germany 34->56 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->68 70 Installs a global keyboard hook 34->70 40 schtasks.exe 1 34->40         started        signatures14 process15 process16 42 conhost.exe 40->42         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-09-09 06:31:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=miyajgwknt3e3m3347bvsrsicbawfhcpiayr6wrzxjctao6zsltq._file
Verdict:
malicious
Similar samples:
01d7838a7a970a4fca588740cf6f8129f4ae01b0d9936eb43a1aff9436b848a2
QuasarRAT
7199a5bdf178d742904e1211b68d9a22c8c9384112c5d82aa2e41f4b93ca4433
QuasarRAT
73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
QuasarRAT
a388e34ff2cb46b718c443618a4597468bfc2236195c06bccbfa71dbf5d47479
QuasarRAT
d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
QuasarRAT
+ 802 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:long leg discovery spyware trojan
Link:
https://tria.ge/reports/240909-hnmfrsydkf/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
twart.myfirewall.org:9792
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/503912ea-8e83-462c-890a-6127072e7a51
Unpacked files
SH256 hash:
c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99
MD5 hash:
3e8b57c2be9df63483a368b71ccb938b
SHA1 hash:
deb26a1b7f616c8d392ae55dd279140b034a4060
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasarrat_j2
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
Link:
https://www.unpac.me/results/c7984234-2c66-4aca-a758-5c30c1b72217/
Parent samples :
5a3a32262eb6d6ca3126a6055e32cd1c0a680637b3f238d0fbb0e36bc9b8081d
3255bba29d1d4de38cb9d72636251ed19516ee5c090512f4332f38b837cf13f0
d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
a388e34ff2cb46b718c443618a4597468bfc2236195c06bccbfa71dbf5d47479
c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99
6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
f9fe40ca4d842619322a11c4013a2210132d4c7afa0c4ae88be17f13ee6d1b16
fd3b039df3e9a565b6964276f98c61d4555f3f3dabf1a9d76604f9ff4d4b3fb7
b4a61a178dfda52928802e1189f3bf1bef1c03aecf6b6fc99d2a3713f3d5e202
SH256 hash:
555189c55efac73ebcb50011ceac66285afc256eae4c1afeef73f8ef8a208409
MD5 hash:
cf2d97c8c6b7949847507da6caf7f968
SHA1 hash:
0170e169e9103b59481d465e4628524cade90600
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/c7984234-2c66-4aca-a758-5c30c1b72217/
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
Link:
https://www.unpac.me/results/c7984234-2c66-4aca-a758-5c30c1b72217/
SH256 hash:
6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
MD5 hash:
0994bce735fc8bb848d1431edf6338da
SHA1 hash:
6862b41edee8d724004e9ada90d21289c3d45bef
Link:
https://www.unpac.me/results/c7984234-2c66-4aca-a758-5c30c1b72217/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6230049aca6c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7

File information

The table below shows additional information about this malware sample such as delivery method and external references.

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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