MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e2842c40ff26c60b69e08934b9b80fefe0cd2d091fbd6fa91a2b97f3487137c. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 3e2842c40ff26c60b69e08934b9b80fefe0cd2d091fbd6fa91a2b97f3487137c
SHA3-384 hash: 2b807517b9e64f1dc78bc38b40553ce9d3f0d8d7723e11cbbf853f3567da52f968e5bd78a7795c23fafcbbf003344f70
SHA1 hash: 802139308484ab4905f5af9b40f17d01568a9790
MD5 hash: f53d6a0d4693488835b412fb558a75d3
humanhash: idaho-butter-queen-cold
File name:Halkbank_Ekstre_20220901_060735_484554.exe
Download: download sample
Signature QuasarRAT
File size:922'112 bytes
First seen:2022-09-01 10:25:39 UTC
Last seen:2022-09-01 10:30:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:3Z5sXY+mzo3bvQhPGbuYKeS0eVIUdJyh:J5qlmzMIlGan0eD3C
TLSH T107150249AA84C3B6F4260BB011B1F12581BDBE159271C2DCBFCFF2EC49B4B129257A57
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe geo Halkbank QuasarRAT RAT TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Halkbank_Ekstre_20220901_060735_484554.exe
Verdict:
Malicious activity
Analysis date:
2022-09-01 09:11:28 UTC
Tags:
evasion stealer 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
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
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:
BluStealer, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected BluStealer
Yara detected Generic Downloader
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 695191 Sample: Halkbank_Ekstre_20220901_06... Startdate: 01/09/2022 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 10 other signatures 2->45 7 Halkbank_Ekstre_20220901_060735_484554.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\Roaming\vFDcoe.exe, PE32 7->27 dropped 29 C:\Users\user\...\vFDcoe.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmpB047.tmp, XML 7->31 dropped 33 Halkbank_Ekstre_20...0735_484554.exe.log, ASCII 7->33 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Adds a directory exclusion to Windows Defender 7->57 59 Injects a PE file into a foreign processes 7->59 11 Halkbank_Ekstre_20220901_060735_484554.exe 1 7->11         started        13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 Halkbank_Ekstre_20220901_060735_484554.exe 7->17         started        signatures5 process6 process7 19 AppLaunch.exe 15 3 11->19         started        23 conhost.exe 13->23         started        25 conhost.exe 15->25         started        dnsIp8 35 icanhazip.com 104.18.115.97, 49708, 80 CLOUDFLARENETUS United States 19->35 37 63.155.11.0.in-addr.arpa 19->37 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->47 49 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->49 51 May check the online IP address of the machine 19->51 53 2 other signatures 19->53 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-01 08:26:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
BluStealer
StormKitty
StormKitty payload
Unpacked files
SH256 hash:
2efa7ce4993c927c34d5c89eff97f84b467317db9b52ddf04014733ff7c42b58
MD5 hash:
94213ed7fff43932721f05a57c56b1da
SHA1 hash:
2dfe694dcab8721d21916a78071d8d4277cbda91
Detections:
win_agent_tesla_g2
SH256 hash:
96d1e28cfd270d54879cbdb62d121b9870fe02e38e96a4faeea1e1c2c2dd8cb3
MD5 hash:
de1e350eacc3b76f23fae50f9d457eef
SHA1 hash:
e099bcc40a7bb84b4943df29b611b999e342edf1
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
SH256 hash:
42f6e187d5e12d7b90e52015ef3ef59e121a33c6391d38c4f8df32b84b93a01a
MD5 hash:
3097f70bfc5c0808e9239322674dec9b
SHA1 hash:
aa429f802b3021c87b894370d3a649b63fabf631
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
308f40c19bcd4f58f5dc1e83713d91a80a2ac8f78b5e03501db556f94c946149
MD5 hash:
fca4e97b3f547e1b49b902512a8871c8
SHA1 hash:
158c5db97e5b5d3696b4073d2dd0e73a302ac143
SH256 hash:
3e2842c40ff26c60b69e08934b9b80fefe0cd2d091fbd6fa91a2b97f3487137c
MD5 hash:
f53d6a0d4693488835b412fb558a75d3
SHA1 hash:
802139308484ab4905f5af9b40f17d01568a9790
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: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.

Malspam

QuasarRAT

Executable exe 3e2842c40ff26c60b69e08934b9b80fefe0cd2d091fbd6fa91a2b97f3487137c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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