MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 004aa2f93dd0c4293f79b00218ff5c85fb99d15d5d6f13bdf6264011bf38dad5. 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: 11


Intelligence 11 IOCs 1 YARA 6 File information Comments

SHA256 hash: 004aa2f93dd0c4293f79b00218ff5c85fb99d15d5d6f13bdf6264011bf38dad5
SHA3-384 hash: 76f513897d8d017e1647cc2544ef3e594d40e5bc165bf9bfdaa051ca94e57dd5a981df779f1d304d4bb4074970a730a5
SHA1 hash: d03f7650749508d915eeb3374e991e28c55d5725
MD5 hash: 1cbc4f6adbf9877b960efebb5fcc025a
humanhash: bakerloo-skylark-king-arkansas
File name:1cbc4f6adbf9877b960efebb5fcc025a.exe
Download: download sample
Signature QuasarRAT
File size:588'288 bytes
First seen:2021-07-08 18:21:40 UTC
Last seen:2021-07-08 18:46:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:y6gTke8sLl1k2dXRMaeKUyjeXjEs7O94ijit2U:y6gTBLl1kohM1KUVjEDWft2U
Threatray 79 similar samples on MalwareBazaar
TLSH T104C448908EEFCEDEC26F263FA00A0D8615DED316079392E59F464E34B3845239D661E7
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
91.109.178.7:5490

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
91.109.178.7:5490 https://threatfox.abuse.ch/ioc/158713/

Intelligence


File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1cbc4f6adbf9877b960efebb5fcc025a.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-08 18:22:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 446100 Sample: 1R1aRTRnis.exe Startdate: 08/07/2021 Architecture: WINDOWS Score: 100 96 societyf500.ddns.net 2->96 98 tools.keycdn.com 2->98 100 3 other IPs or domains 2->100 132 Multi AV Scanner detection for domain / URL 2->132 134 Found malware configuration 2->134 136 Malicious sample detected (through community Yara rule) 2->136 138 7 other signatures 2->138 13 NVA.exe 5 2->13         started        17 1R1aRTRnis.exe 1 7 2->17         started        19 NVA.exe 2 2->19         started        signatures3 process4 file5 84 C:\Users\user\AppData\Local\Temp84VA.exe, PE32 13->84 dropped 86 C:\Users\user\...86VA.exe:Zone.Identifier, ASCII 13->86 dropped 158 Multi AV Scanner detection for dropped file 13->158 160 Machine Learning detection for dropped file 13->160 162 Writes to foreign memory regions 13->162 21 NVA.exe 13->21         started        88 C:\Users\user\AppData\...\1R1aRTRnis.exe, PE32 17->88 dropped 90 C:\Users\...\1R1aRTRnis.exe:Zone.Identifier, ASCII 17->90 dropped 92 C:\Users\user\...92VA.exe:Zone.Identifier, ASCII 17->92 dropped 94 C:\Users\user\AppData\...\1R1aRTRnis.exe.log, ASCII 17->94 dropped 164 Injects a PE file into a foreign processes 17->164 25 1R1aRTRnis.exe 15 2 17->25         started        27 NVA.exe 19->27         started        signatures6 process7 dnsIp8 114 23.21.173.155, 443, 49751 AMAZON-AESUS United States 21->114 116 192.168.2.1 unknown unknown 21->116 122 2 other IPs or domains 21->122 142 Multi AV Scanner detection for dropped file 21->142 144 May check the online IP address of the machine 21->144 146 Machine Learning detection for dropped file 21->146 29 cmd.exe 21->29         started        118 societyf500.ddns.net 91.109.178.8, 49744, 49748, 49763 IELOIELOMainNetworkFR France 25->118 120 tools.keycdn.com 185.172.148.96, 443, 49746, 49750 PROINITYPROINITYDE Germany 25->120 124 3 other IPs or domains 25->124 148 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 25->148 126 2 other IPs or domains 27->126 150 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->150 32 cmd.exe 27->32         started        signatures9 process10 signatures11 154 Uses ping.exe to sleep 29->154 156 Uses ping.exe to check the status of other devices and networks 29->156 34 NVA.exe 29->34         started        37 conhost.exe 29->37         started        39 chcp.com 29->39         started        41 PING.EXE 29->41         started        43 NVA.exe 32->43         started        45 conhost.exe 32->45         started        47 chcp.com 32->47         started        49 PING.EXE 32->49         started        process12 signatures13 130 Injects a PE file into a foreign processes 34->130 51 NVA.exe 34->51         started        55 NVA.exe 43->55         started        57 NVA.exe 43->57         started        process14 dnsIp15 102 societyf500.ddns.net 51->102 104 23.21.224.49, 443, 49773 AMAZON-AESUS United States 51->104 110 4 other IPs or domains 51->110 140 Hides that the sample has been downloaded from the Internet (zone.identifier) 51->140 59 cmd.exe 51->59         started        106 societyf500.ddns.net 55->106 108 tools.keycdn.com 55->108 112 3 other IPs or domains 55->112 62 cmd.exe 55->62         started        signatures16 process17 signatures18 152 Uses ping.exe to sleep 59->152 64 NVA.exe 59->64         started        68 conhost.exe 59->68         started        70 chcp.com 59->70         started        72 PING.EXE 59->72         started        74 conhost.exe 62->74         started        76 chcp.com 62->76         started        78 PING.EXE 62->78         started        process19 file20 82 C:\Users\user\AppData\Local82VA.exe, PE32 64->82 dropped 128 Injects a PE file into a foreign processes 64->128 80 NVA.exe 64->80         started        signatures21 process22
Threat name:
ByteCode-MSIL.Trojan.Seraph
Status:
Malicious
First seen:
2021-07-08 01:43:00 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04w persistence spyware trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
societyf500.ddns.net:5490
Unpacked files
SH256 hash:
2bc20b8eb26f1a008afb08e38181699a5dd407697e666788d5a0e96f19af0112
MD5 hash:
42cdc31873eac06cfc5b3c7165233f5b
SHA1 hash:
c5c3a077d3bda1585e9588fddf1286a1a784abd0
SH256 hash:
0b182c31e88d1bc35a55236f9e113142c241cbb09e0532f99a911b6bcba0696a
MD5 hash:
a7687b39d4a3e8fd3e86e8df0d88f8bf
SHA1 hash:
a2e5063bdf31306615ac223872dcde5c3257b62b
SH256 hash:
8cf6a7b913e716f665a595c3ec239cc43eb818c820ca3255355a73e1c1777750
MD5 hash:
0e5c92b04a97ab7861bad2952bcd840d
SHA1 hash:
9f7fe55e488d2a2a3155b72a64d7aaf1606ee244
SH256 hash:
004aa2f93dd0c4293f79b00218ff5c85fb99d15d5d6f13bdf6264011bf38dad5
MD5 hash:
1cbc4f6adbf9877b960efebb5fcc025a
SHA1 hash:
d03f7650749508d915eeb3374e991e28c55d5725
Please note that we are no longer able to provide a coverage score for Virus Total.

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_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/

File information


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

Web download

QuasarRAT

Executable exe 004aa2f93dd0c4293f79b00218ff5c85fb99d15d5d6f13bdf6264011bf38dad5

(this sample)

  
Delivery method
Distributed via web download

Comments