MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6. 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


Adware.Generic


Vendor detections: 16


Intelligence 16 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6
SHA3-384 hash: dece929209bc6b4dc2116371b15e055dd5675b1eea84a0e5c2bc4360d63693a4d7a655ac17b00eba9f6894641e950511
SHA1 hash: 22b1fee4bc17ec38575e8dac40e0fbdcbf9c7950
MD5 hash: a3da3dd84003b2a9ab2cdde9577f0e92
humanhash: hawaii-skylark-potato-berlin
File name:OperaSetup.exe
Download: download sample
Signature Adware.Generic
Create hunting rule
File size:6'351'872 bytes
First seen:2023-07-25 09:59:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 98304:lGh5ziNlRUaub+MPDrc/c+NmXnKyFrsqCQHj92AYawl1WPOl6NVLkJ0xWShD:l3NlqaubXgUCqCuBjx1D
Threatray 203 similar samples on MalwareBazaar
TLSH T1CC56CE1437F85E32E06AD2B3D5B0542663F1FC2AF363EB0B6191667E1CA37505C426AB
TrID 30.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
17.8% (.EXE) InstallShield setup (43053/19/16)
12.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
11.2% (.EXE) UPX compressed Win32 Executable (27066/9/6)
6.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
File icon (PE):PE icon
dhash icon aa38ce868282b882 (110 x Adware.Generic, 6 x CoinMiner, 5 x Formbook)
Reporter Anonymous
Tags:Adware.Generic exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
OperaSetup.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 10:00:25 UTC
Tags:
installer trojan rat asyncrat quasar remote
Link:
https://app.any.run/tasks/dbea0588-4765-4237-a78f-691586bed52e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/432068/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6
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:
Malicious
Link:
https://analyze.intezer.com/analyses/fa651ddb-e6af-4428-8abe-b4c78e7be839
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1279010
Signature
Antivirus / Scanner detection for submitted 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)
Installs a global keyboard hook
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279010 Sample: OperaSetup.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 64 134 Found malware configuration 2->134 136 Malicious sample detected (through community Yara rule) 2->136 138 Antivirus detection for URL or domain 2->138 140 8 other signatures 2->140 10 OperaSetup.exe 14 2->10         started        13 launcher.exe 2->13         started        15 launcher.exe 2->15         started        process3 file4 114 C:\Users\user\AppData\Roaming\...\opera.exe, PE32 10->114 dropped 116 C:\Users\user\AppData\...\OperaSetup.exe, PE32 10->116 dropped 118 C:\Users\user\AppData\...\OperaSetup.exe.log, ASCII 10->118 dropped 17 opera.exe 4 10->17         started        21 OperaSetup.exe 48 10->21         started        120 C:\Users\user\AppData\Local\...\installer.exe, PE32+ 13->120 dropped 24 installer.exe 13->24         started        process5 dnsIp6 92 C:\Users\user\AppData\...\launcher.exe, PE32 17->92 dropped 142 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->142 26 launcher.exe 14 4 17->26         started        30 schtasks.exe 1 17->30         started        122 107.167.125.189 OPERASOFTWAREUS United States 21->122 124 185.26.182.112 NO-OPERANO Norway 21->124 126 6 other IPs or domains 21->126 94 C:\Users\user\AppData\...\OperaSetup.exe, PE32 21->94 dropped 96 Opera_installer_2307251016386791172.dll, PE32 21->96 dropped 98 C:\Users\user\AppData\Local\...\opera_package, PE32 21->98 dropped 102 4 other files (none is malicious) 21->102 dropped 32 OperaSetup.exe 21->32         started        35 Assistant_100.0.4815.21_Setup.exe_sfx.exe 21->35         started        37 OperaSetup.exe 5 21->37         started        39 2 other processes 21->39 100 Opera_installer_2307251018337376488.dll, PE32+ 24->100 dropped file7 signatures8 process9 dnsIp10 128 195.201.57.90 HETZNER-ASDE Germany 26->128 130 93.184.221.240 EDGECASTUS European Union 26->130 132 2 other IPs or domains 26->132 148 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->148 150 Installs a global keyboard hook 26->150 41 cmd.exe 26->41         started        44 schtasks.exe 26->44         started        46 schtasks.exe 26->46         started        48 conhost.exe 30->48         started        78 Opera_installer_2307251017227085268.dll, PE32 32->78 dropped 50 installer.exe 32->50         started        53 OperaSetup.exe 32->53         started        80 C:\Users\user\AppData\Local\...\mojo_core.dll, PE32 35->80 dropped 82 C:\Users\user\AppData\Local\...\launcher.exe, PE32 35->82 dropped 84 C:\Users\user\AppData\Local\...\dbghelp.dll, PE32 35->84 dropped 90 3 other files (none is malicious) 35->90 dropped 86 Opera_installer_2307251016407887056.dll, PE32 37->86 dropped 88 Opera_installer_2307251016422094700.dll, PE32 39->88 dropped 55 assistant_installer.exe 39->55         started        file11 signatures12 process13 file14 144 Uses ping.exe to sleep 41->144 146 Uses ping.exe to check the status of other devices and networks 41->146 57 conhost.exe 41->57         started        59 chcp.com 41->59         started        61 PING.EXE 41->61         started        63 conhost.exe 44->63         started        65 conhost.exe 46->65         started        104 Opera_installer_2307251018029555892.dll, PE32+ 50->104 dropped 106 C:\Users\user\AppData\Local\...\opera.exe, PE32+ 50->106 dropped 108 C:\Users\user\AppData\Local\...\launcher.exe, PE32+ 50->108 dropped 67 opera.exe 50->67         started        69 installer.exe 50->69         started        72 installer_helper_64.exe 50->72         started        110 Opera_installer_2307251017250553676.dll, PE32 53->110 dropped signatures15 process16 file17 74 opera_crashreporter.exe 67->74         started        76 opera_gx_splash.exe 67->76         started        112 Opera_installer_2307251018044504224.dll, PE32+ 69->112 dropped process18
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 10:00:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
206
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l2h2yyiskevs6ktsmqsmrlh6jbqehec2fohpyaqzxygfkgskntla._file
Verdict:
malicious
Similar samples:
2259304db67dd25fa5ce47bde5b1c8cffab23292c2cec7d3bc2a0c303aace85b
Adware.Generic
36332d397a9c6303da243d4e155d5277dd148e5226389bd07543bc73b126c89b
Adware.Generic
3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab
Adware.Generic
9c17ba1f31d3c5a41d0437818a7d6512775ba991a1d8a03e49f29fc982191190
Adware.Generic
9d16ec73785c06ee7eccd44c6d8694ffaec537be881ac4226bc2095db312aea3
Adware.Generic
a8a85e6faaed6a3dc5687d05b92a9f181e0d986eae1b4e1d731c221990920037
Adware.Generic
aa18400f1aa2fef6c2a5a50965981a3d668e052ce8ac851a8bd145cac1ee2ace
Adware.Generic
ed4cbfe246783bd7a7d124ac8f67e208f968a805264c3c6883fe77ac8fc4e72c
Adware.Generic
+ 193 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:opera spyware stealer trojan upx
Link:
https://tria.ge/reports/230725-lz5chace9t/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Downloads MZ/PE file
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
0.tcp.eu.ngrok.io:18875
Unpacked files
SH256 hash:
5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6
MD5 hash:
a3da3dd84003b2a9ab2cdde9577f0e92
SHA1 hash:
22b1fee4bc17ec38575e8dac40e0fbdcbf9c7950
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/28f5db51-099d-4028-a234-0921c68dae49/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5e8fac611251/report/overview.html
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/5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6

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:grakate_stealer_nov_2021
Create hunting rule
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
Create hunting rule
Author:ditekSHen
Description:Detects executables containing base64 encoded User Agent
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:yara_template
Create hunting rule

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/432068/

Comments