MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
SHA3-384 hash: 645e0844783f957bb574c5fb81f2327f1fac5872ea1a8b270ad0ea061c07e79d9c8115a497fb6defa3f19d97d8841f0a
SHA1 hash: 37bcbc965ede3b9c649773eeacfd1f508be57df8
MD5 hash: 1e66ed26d089fb5a4070d6ed4706ef0c
humanhash: maryland-butter-fix-island
File name:Τράπεζα Πειραιώς - Επιβεβαίωση πληρωμής 20240903.pdf.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'879'424 bytes
First seen:2024-09-06 12:08:08 UTC
Last seen:2024-09-06 12:36:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:qyL0sLC29zAKkDj1xuolHu7LkAOqvAUverLM4S1ejruKGi+sopC2:q12yRyfvterLm2rBGiyn
Threatray 808 similar samples on MalwareBazaar
TLSH T173063386A7E17B95C8BB05B3578A1B9407B5BC796620FB919FC3327B19733229630703
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 64a4b2d259c9cc4c (3 x AgentTesla, 1 x Formbook, 1 x MassLogger)
Reporter NDA0E
Tags:exe FakePDF geo GRC PiraeusBank QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Τράπεζα Πειραιώς - Επιβεβαίωση πληρωμής 20240903.pdf.exe
Verdict:
No threats detected
Analysis date:
2024-09-06 12:10:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2addab0f-ea6b-4502-922b-857d6b90ba84

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29827.1792.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66daf0a6f3d7ccf99f9026cb
Tags:
Execution Generic Network Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/15a00414-1b62-447b-b4bd-a4fdeafa295e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1/
Threat name:
ByteCode-MSIL.Backdoor.Quasarrat
Create hunting rule
Status:
Malicious
First seen:
2024-09-04 10:35:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqhs7zlvrpyywiqtdeymijvskunrshkoyuhka4vcgkev2adovtqq._file
Verdict:
malicious
Similar samples:
01d7838a7a970a4fca588740cf6f8129f4ae01b0d9936eb43a1aff9436b848a2
QuasarRAT
3255bba29d1d4de38cb9d72636251ed19516ee5c090512f4332f38b837cf13f0
QuasarRAT
73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
QuasarRAT
a388e34ff2cb46b718c443618a4597468bfc2236195c06bccbfa71dbf5d47479
QuasarRAT
d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
QuasarRAT
+ 798 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/240906-pbfwsavfmr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f236599d-ca89-4d73-9347-759b2cf6fd8c
Unpacked files
SH256 hash:
c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99
MD5 hash:
3e8b57c2be9df63483a368b71ccb938b
SHA1 hash:
deb26a1b7f616c8d392ae55dd279140b034a4060
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasarrat_j2
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
Link:
https://www.unpac.me/results/2fde6c2c-adfa-4e2e-8291-e2009607c390/
Parent samples :
5a3a32262eb6d6ca3126a6055e32cd1c0a680637b3f238d0fbb0e36bc9b8081d
3255bba29d1d4de38cb9d72636251ed19516ee5c090512f4332f38b837cf13f0
d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
a388e34ff2cb46b718c443618a4597468bfc2236195c06bccbfa71dbf5d47479
c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99
6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
f9fe40ca4d842619322a11c4013a2210132d4c7afa0c4ae88be17f13ee6d1b16
fd3b039df3e9a565b6964276f98c61d4555f3f3dabf1a9d76604f9ff4d4b3fb7
b4a61a178dfda52928802e1189f3bf1bef1c03aecf6b6fc99d2a3713f3d5e202
SH256 hash:
7a4b1c2b3a236bc7cac25c9aa07163d9eb19233065e88b7304ce6e46c6a36e0f
MD5 hash:
7fa95c2554a74e0805581e20305069d8
SHA1 hash:
aa77eebba993f3e79b4971f5c135286e40b066a1
Link:
https://www.unpac.me/results/2fde6c2c-adfa-4e2e-8291-e2009607c390/
SH256 hash:
30d27ff95354ee56096e7f06f5eb0f64d895c996f6ff8e45c781f1c14b542373
MD5 hash:
5289d05b6525f474898a5541ff32adfd
SHA1 hash:
7a3d784e4f737786b54a177c80275a91ee7076c2
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2fde6c2c-adfa-4e2e-8291-e2009607c390/
Parent samples :
c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
30d27ff95354ee56096e7f06f5eb0f64d895c996f6ff8e45c781f1c14b542373
SH256 hash:
c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
MD5 hash:
1e66ed26d089fb5a4070d6ed4706ef0c
SHA1 hash:
37bcbc965ede3b9c649773eeacfd1f508be57df8
Link:
https://www.unpac.me/results/2fde6c2c-adfa-4e2e-8291-e2009607c390/
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/c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1

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_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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.

QuasarRAT

Executable exe c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1

(this sample)

QuasarRAT

DLL dll 7a4b1c2b3a236bc7cac25c9aa07163d9eb19233065e88b7304ce6e46c6a36e0f

  
Dropping
SHA256 7a4b1c2b3a236bc7cac25c9aa07163d9eb19233065e88b7304ce6e46c6a36e0f
  
Dropping
MD5 7fa95c2554a74e0805581e20305069d8
  
Dropping
SHA256 30d27ff95354ee56096e7f06f5eb0f64d895c996f6ff8e45c781f1c14b542373
  
Dropping
MD5 5289d05b6525f474898a5541ff32adfd
  
Dropping
SHA256 c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99
  
Dropping
MD5 3e8b57c2be9df63483a368b71ccb938b

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 (HIGH_ENTROPY_VA)high

Comments