MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e
SHA3-384 hash: 9345ac837b2ec8a60976b4d29fbb022a03800e1b09db5a6d93f2f9ecb5a8f3ecb6b3e94e574189a478486dba71ddadbc
SHA1 hash: 39d2f823ac87579fb74aa8872c2f5f69d7ecda1e
MD5 hash: 9b7af0b65760f2506074828a2515fa24
humanhash: echo-summer-football-one
File name:z1Comprobante_de_Pago_15_08_2025.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:4'069'888 bytes
First seen:2025-08-23 09:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 98304:HIrF5ear1KnRu3xMae57edj/1JyC0Pxx:oTeM6Zed/0Pxx
Threatray 115 similar samples on MalwareBazaar
TLSH T1A01623CD765075AED853DC7185542DB86213ADAA2B1BF2079C2338A7763F4CACF160A3
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 FXOLabs
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
z1Comprobante_de_Pago_15_08_2025.exe
Verdict:
Malicious activity
Analysis date:
2025-08-23 09:50:19 UTC
Tags:
auto-reg confuser crypto-regex evasion
Link:
https://app.any.run/tasks/d7d22124-65ab-43bb-8436-f42903a39978

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/23143/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a98a8ee9d9dbcfd96d3392
Tags:
autorun packed virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuser confuserex net obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68a98a8f7137d68458390fee/reports/6993ceb1-1a63-48e2-bfbe-2cf51a5b286a/overview
Verdict:
Malicious
Labled as:
Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e
Verdict:
Malicious
File Type:
PE
First seen:
2025-08-23T06:18:00Z UTC
Last seen:
2025-08-23T06:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d6855035-a1f2-42bd-870e-0646f1054f5c
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e
Verdict:
inconclusive
YARA:
15 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 1.00 Win 32 Exe x86
Link:
https://app.malva.re/file/9b7af0b65760f2506074828a2515fa24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2025-08-23 09:35:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4fi726nhlhjsa326aajm5qtos4xmotvehrpgsq6ycmimgbai7zha._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
4d99b92df452a113bafe2af82d237225ff93afe39fae138305b8201b179357c1
QuasarRAT
507b813f47259eadd4260cb58e5a8244799d0ac3075d68147095b1bd9a2b7593
QuasarRAT
5d6b6bcd74ed29295040fe1622bd3c681fe2b729eaa9f24b4538d1db6eb2e3e3
QuasarRAT
c30fdd073be8172d6975c53b1c6fa4955a0f20ebaef408228017540ba4d8ad62
QuasarRAT
d17f5a248883a81f2d0b01f801c62d60bdf5bda00c455f7823ffac056b4165c6
QuasarRAT
def7bbc3a2ebc9a5c96d91c3b916bf9326023cc13ff0330de21e7569525faf55
QuasarRAT
e00aa14eab3def5c39e2be5d0f787d47caf495b1566f6c52d2771f4c4150f47a
QuasarRAT
error
QuasarRAT
+ 105 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office13 defense_evasion discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/250823-lhf9catrt8/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Executes dropped EXE
Modifies trusted root certificate store through registry
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
floataboat.strangled.net:4785
ploatvoatin.ydns.eu:4787
Verdict:
Suspicious
Tags:
red_team_tool
YARA:
SUSP_NET_NAME_ConfuserEx
Link:
https://app.threat.zone/submission/dc869d5c-9267-4977-8cc5-8fed926470ce
Unpacked files
SH256 hash:
e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e
MD5 hash:
9b7af0b65760f2506074828a2515fa24
SHA1 hash:
39d2f823ac87579fb74aa8872c2f5f69d7ecda1e
Link:
https://www.unpac.me/results/b0f82d08-f16b-4bcf-be6e-9574a8802262/
SH256 hash:
cc99d544a2e76efdd84c46eab3427ccb9ace84fdbd243bab8fb5d316d9f88dde
MD5 hash:
05b0a581ee277ba5bb82dfbe2061c772
SHA1 hash:
136277e666ed565f71673796035ec959323ad770
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
MAL_BackNet_Nov18_1
Create hunting rule
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/b0f82d08-f16b-4bcf-be6e-9574a8802262/
Parent samples :
e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e
8aeaeaa9bf27b99f933d7479f77d6b91249cdca0e6967eb22456844c0dbb2098
SH256 hash:
bca738706218530033b45d61ed8f3bfb456773f16346ae7c6975cc27d6ccda6e
MD5 hash:
61d93790ef59855a831605cf499b84f7
SHA1 hash:
d61851ac455fb5d98b6c1d892c742d319bf2c8b3
Link:
https://www.unpac.me/results/b0f82d08-f16b-4bcf-be6e-9574a8802262/
SH256 hash:
d989fe2546a5437e9420c4d3585441ee215a743087960c34cd04955293d1e0ca
MD5 hash:
1d8702f155c9b225a5d0fce814777c75
SHA1 hash:
2c7efc378489926b07b180a8366c8f0552c605e2
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/b0f82d08-f16b-4bcf-be6e-9574a8802262/
Parent samples :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 family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e151fd79a759/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_EXE_Packed_ConfuserEx_Custom
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Custom; outside of GIT
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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

QuasarRAT

Executable exe e151fd79a759d3206f5e0012cec26e972ec74ea43c5e6943d81310c30408fe4e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23143/

Comments