MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a653abe4b7712e10fd1b60ab8a3d6a5dd4819a6102c02cca5f0664127035486. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: 1a653abe4b7712e10fd1b60ab8a3d6a5dd4819a6102c02cca5f0664127035486
SHA3-384 hash: b5ec56f002e96877234763e6709793d34b48cb8b1421a92cf8d2543fd03745da1f9b84844133f9b9ca46053efac61bf1
SHA1 hash: ca4a2f664a96b5868dfb2880ae75c5e7e02a3876
MD5 hash: 87006e4003c9e387b10d9635c2884389
humanhash: don-artist-table-mars
File name:Etritqm.bin
Download: download sample
Signature QuasarRAT
File size:798'208 bytes
First seen:2022-06-26 18:23:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Od9r4th40lZFBfeMC/HwWijpljwJlOEUs98w90/16h51UVFV6MTiilMGrPQI:g9rUZDfeM2Q7jTMbOEDt0y51Uni6b
Threatray 1'642 similar samples on MalwareBazaar
TLSH T10205004FE201F949EDE35031D96CB78477246E204996AD77A8F8BB2589B110BBCF03B5
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c420c4cca2c4f071 (1 x QuasarRAT, 1 x AsyncRAT)
Reporter KdssSupport
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Etritqm.exe
Verdict:
Malicious activity
Analysis date:
2022-06-26 18:02:56 UTC
Tags:
quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the Windows subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 652512 Sample: Etritqm.bin Startdate: 26/06/2022 Architecture: WINDOWS Score: 100 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 Yara detected Quasar RAT 2->74 76 6 other signatures 2->76 8 Etritqm.exe 1 7 2->8         started        12 Eozjlitty.exe 4 2->12         started        14 Eozjlitty.exe 3 2->14         started        16 InstallUtil.exe 3 2->16         started        process3 file4 64 C:\Users\user\AppData\...ozjlitty.exe, PE32 8->64 dropped 66 C:\Users\...ozjlitty.exe:Zone.Identifier, ASCII 8->66 dropped 68 C:\Users\user\AppData\...tritqm.exe.log, ASCII 8->68 dropped 84 Encrypted powershell cmdline option found 8->84 18 InstallUtil.exe 5 8->18         started        22 InstallUtil.exe 8->22         started        24 powershell.exe 15 8->24         started        86 Antivirus detection for dropped file 12->86 88 Machine Learning detection for dropped file 12->88 26 InstallUtil.exe 12->26         started        28 powershell.exe 12->28         started        30 InstallUtil.exe 14->30         started        32 powershell.exe 14->32         started        34 conhost.exe 16->34         started        signatures5 process6 file7 62 C:\Windows\SysWOW64\winsysgen\winsysgen.exe, PE32 18->62 dropped 36 winsysgen.exe 4 18->36         started        38 schtasks.exe 1 18->38         started        78 Uses schtasks.exe or at.exe to add and modify task schedules 22->78 40 conhost.exe 24->40         started        80 Drops executables to the windows directory (C:\Windows) and starts them 26->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->82 42 schtasks.exe 26->42         started        44 winsysgen.exe 26->44         started        46 conhost.exe 28->46         started        48 schtasks.exe 30->48         started        50 conhost.exe 32->50         started        signatures8 process9 process10 52 conhost.exe 36->52         started        54 conhost.exe 38->54         started        56 conhost.exe 42->56         started        58 conhost.exe 44->58         started        60 conhost.exe 48->60         started       
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2022-06-26 18:24:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:main_sys persistence spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
0.0.0.0:4782
147.135.106.246:4782
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
SH256 hash:
2406660112c19fbb440db9c53ba43f236f27e758ae727994ea8e64dfa5c367db
MD5 hash:
5810d37088c4401ecef42bddea95bc42
SHA1 hash:
89bce6697cf23f224461f7e9437eebfacc021d77
SH256 hash:
5da453c109f49347904e67085a451406034c5e7655b94365ab4a558797834f20
MD5 hash:
c96aa69d08fb9842f423cbebaf91bd77
SHA1 hash:
7abb9797c247592c14fa32cd938d6b4880840703
SH256 hash:
1a653abe4b7712e10fd1b60ab8a3d6a5dd4819a6102c02cca5f0664127035486
MD5 hash:
87006e4003c9e387b10d9635c2884389
SHA1 hash:
ca4a2f664a96b5868dfb2880ae75c5e7e02a3876
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_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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_Lokibot_Stealer
Description:Detects Lokibot Stealer Variants
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:MAL_QuasarRAT_May19_1_RID2E1E
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

File information


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

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