MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfcfb297e627684383befe449638aacf9301c3d3ae67112abde298b4bfdc6ea8. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfcfb297e627684383befe449638aacf9301c3d3ae67112abde298b4bfdc6ea8
SHA3-384 hash: 9c1757104a3bdd0d86250374f5901bceec2d90349aefbbb17b415cc79d91eaef6f337d97cc463d6bcbcf8e5f649ab350
SHA1 hash: 8d964ffc771b484cd1dc0d7e3b1ca9b5b495715e
MD5 hash: c2ba964fc8f683ce1a12302028b9d2a2
humanhash: salami-four-kentucky-summer
File name:Zweck Bestellung.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:95'232 bytes
First seen:2025-02-21 10:31:17 UTC
Last seen:2025-03-10 11:25:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:bNgt4LisEcb8a91poJZq6AFJBjb9c2vIauqtGU96HbLsHjzjEJ:iy+vgLoPbAlb9FLhp9mXsHjzjo
Threatray 1'130 similar samples on MalwareBazaar
TLSH T16C93181A36D9AB01DA5815B4C9E7093603E3FA873733D39A3E4456CA0E817F5DD8A7C8
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter lowmal3
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
551
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
ZweckBestellung.exe
Verdict:
Malicious activity
Analysis date:
2025-02-21 10:36:19 UTC
Tags:
opendir netreactor purecrypter rat quasar remote
Link:
https://app.any.run/tasks/1ac30610-86dd-4eeb-9382-579f727aea2d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.32623.20962.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b8575e28ab76d43a5c4664
Tags:
virus msil remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Restart of the analyzed sample
Creating a file
Launching a process
Creating a window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Connection attempt to an infection source
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cryptor_detected net_reactor obfuscated obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/67b8562bc635e5e3043619eb/reports/62d157b6-feae-4061-9af9-b58c74d573b7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bfcfb297e627684383befe449638aacf9301c3d3ae67112abde298b4bfdc6ea8
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/7218495f-ffb3-4891-a841-e7c14f57fe6c
Result
Threat name:
PureLog Stealer, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1620878
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1620878 Sample: Zweck Bestellung.exe Startdate: 21/02/2025 Architecture: WINDOWS Score: 100 54 hoffmann3.ydns.eu 2->54 56 ipwho.is 2->56 70 Suricata IDS alerts for network traffic 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 10 other signatures 2->76 10 Zweck Bestellung.exe 15 3 2->10         started        15 outlooks.exe 2 2->15         started        17 outlooks.exe 2->17         started        signatures3 process4 dnsIp5 58 196.251.71.142, 49704, 51060, 51140 Web4AfricaZA Seychelles 10->58 52 C:\Users\user\...\Zweck Bestellung.exe.log, ASCII 10->52 dropped 84 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->84 86 Injects a PE file into a foreign processes 10->86 19 Zweck Bestellung.exe 1 4 10->19         started        23 powershell.exe 15 10->23         started        25 powershell.exe 15->25         started        27 outlooks.exe 15->27         started        29 powershell.exe 17->29         started        31 outlooks.exe 17->31         started        file6 signatures7 process8 file9 50 C:\Users\user\AppData\...\outlooks.exe, PE32 19->50 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->78 33 outlooks.exe 14 3 19->33         started        36 conhost.exe 23->36         started        38 conhost.exe 25->38         started        40 conhost.exe 29->40         started        signatures10 process11 signatures12 64 Antivirus detection for dropped file 33->64 66 Multi AV Scanner detection for dropped file 33->66 68 Injects a PE file into a foreign processes 33->68 42 outlooks.exe 33->42         started        46 powershell.exe 33->46         started        process13 dnsIp14 60 hoffmann3.ydns.eu 212.23.222.222, 51217, 5829 TMRDE unknown 42->60 62 ipwho.is 195.201.57.90, 443, 51218 HETZNER-ASDE Germany 42->62 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 42->80 82 Installs a global keyboard hook 42->82 48 conhost.exe 46->48         started        signatures15 process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bfcfb297e627684383befe449638aacf9301c3d3ae67112abde298b4bfdc6ea8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfcfb297e627684383befe449638aacf9301c3d3ae67112abde298b4bfdc6ea8/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2025-02-21 09:42:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7h3ff7ge5ueha567zcjmofkz6jqdq6tvztrckv54kmljp64n2ua._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
1fea532c75a33209f094f835261b4f579613a7b2ece7f046a11309d34537f8d5
QuasarRAT
4e6e48275b1f3412edc045e1a81d509ddcfe360c06bdd4483fcd5b4fc77b7ef3
QuasarRAT
56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10
QuasarRAT
7c9b4c774fbf907cf1858ea31454992e16d6b6521f880fcd8a12433ce25b6b35
QuasarRAT
a2b66f9f80d2add5e7b13f9e75b6c964e53d7aa2e52065b469b83f7e7c31fa7c
QuasarRAT
b4a61a178dfda52928802e1189f3bf1bef1c03aecf6b6fc99d2a3713f3d5e202
QuasarRAT
b70b64872a21f338463d0e6b1f2a45bb186ad711317164192b64e54a19baef85
QuasarRAT
error
QuasarRAT
ffa58ebc168e4a19c311097b97645a5d8801db2326f4e8784b634c3e2e2de991
QuasarRAT
+ 1'120 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:david defense_evasion discovery spyware trojan
Link:
https://tria.ge/reports/250221-mk1w7szqhk/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Indicator Removal: File Deletion
Deletes itself
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
hoffmann3.ydns.eu:5829
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/742d9049-0c6e-4e9d-be1c-988f6c6fcff2
Unpacked files
SH256 hash:
bfcfb297e627684383befe449638aacf9301c3d3ae67112abde298b4bfdc6ea8
MD5 hash:
c2ba964fc8f683ce1a12302028b9d2a2
SHA1 hash:
8d964ffc771b484cd1dc0d7e3b1ca9b5b495715e
Link:
https://www.unpac.me/results/ecfab3f4-0701-4b74-ace5-b8a9637df34c/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfcfb297e627/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bfcfb297e627684383befe449638aacf9301c3d3ae67112abde298b4bfdc6ea8

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other

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 (GUARD_CF)high

Comments