defendnot | 5c912d66a53bcbb0d7029fa80037e75339095b7d8c9b68914fbabf20bc8acfaf

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/07/2026, 02:51

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General

Target
2026-07-23_10061fd5a7fe3587d0fb0160a9516eff_cryptbot_icedid_luca-stealer_njrat_stealc.exe
Size 2.7MB
Sample260723-dcdbhafe94
SHA256 5c912d66a53bcbb0d7029fa80037e75339095b7d8c9b68914fbabf20bc8acfaf
MD5 10061fd5a7fe3587d0fb0160a9516eff
SHA1 656cfbab7ea749cace1a1d54dd91ae487d3a06bb
SHA512 3ee9ad020e80b9fd08578d0c9b8c2d2ee128a7dce8a87896c183f96be5ea594e2e7295c72b0a038204540ff8c3331527619016b46c5d8a0f3af670f0cb373d69
SSDEEP 49152:A6xcx0yf64qx4oDUa8BCL5bTLL/HXCgC2rW4CmdMD4brIUS9RVQI6nql6edWaoTP:A6Iv6WmZ8BELugCR4tamrNARVQFO6moz
TLSH
T12FD51219D7F449F8E0B3E178CD934906EB72784947A0E78F03A855661F376D09E3AB22
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

akushu chammar ha execution defendnot quasar hacktool persistence spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.6.6

Botnet

akushu chammar ha

52.66.239.168:8081

Mutex

b82b595c-02ab-4434-9172-5c5fe86b3bc5

Attributes

encryption_key
55D39DB273D4FFC505D375B952F764A7D2404845
install_name
RuntimeBroker.exe
key_salt
5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382
reconnect_delay
3000
startup_key
RuntimeBroker
subdirectory
Dir

Signatures

Family: Defendnot
Defendnot is a tool designed to disable Microsoft Defender.
hacktool defendnot
Family: Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Detects Defendnot 1 IoCs

resource	yara_rule
behavioral1/files/0x000300000001e6da-92.dat	family_defendnot

Quasar payload 2 IoCs

resource	yara_rule
behavioral1/files/0x00110000000243be-16.dat	family_quasar
behavioral1/memory/2248-24-0x000001E4FAD70000-0x000001E4FB00C000-memory.dmp	family_quasar

Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF 2 IoCs

resource	yara_rule
behavioral1/files/0x00110000000243be-16.dat	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD
behavioral1/memory/2248-24-0x000001E4FAD70000-0x000001E4FB00C000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD

Detects Windows executables referencing non-Windows User-Agents 2 IoCs

resource	yara_rule
behavioral1/files/0x00110000000243be-16.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2248-24-0x000001E4FAD70000-0x000001E4FB00C000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 2 IoCs

resource	yara_rule
behavioral1/files/0x00110000000243be-16.dat	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2248-24-0x000001E4FAD70000-0x000001E4FB00C000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables manipulated with Fody 2 IoCs

resource	yara_rule
behavioral1/files/0x00110000000243be-16.dat	INDICATOR_EXE_Packed_Fody
behavioral1/memory/2248-24-0x000001E4FAD70000-0x000001E4FB00C000-memory.dmp	INDICATOR_EXE_Packed_Fody

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2856	powershell.exe
3708	powershell.exe
4928	powershell.exe
4036	powershell.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	RuntimeBroker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	2026-07-23_10061fd5a7fe3587d0fb0160a9516eff_cryptbot_icedid_luca-stealer_njrat_stealc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	RuntimeBroker.exe

Executes dropped EXE 6 IoCs

pid	Process
2932	𝙈𝙪𝙠𝙪𝙡.exe
2248	RuntimeBroker.exe
3840	RuntimeBroker.exe
4484	RuntimeBroker.exe
1076	defendnot-loader.exe
2932	defendnot-loader.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4160	cmd.exe
3816	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4532	schtasks.exe
2148	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3840	RuntimeBroker.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3708	powershell.exe
3708	powershell.exe
4928	powershell.exe
4928	powershell.exe
4036	powershell.exe
4036	powershell.exe
2856	powershell.exe
2856	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	RuntimeBroker.exe
Token: SeDebugPrivilege	3708	powershell.exe
Token: SeDebugPrivilege	3840	RuntimeBroker.exe
Token: SeDebugPrivilege	4484	RuntimeBroker.exe
Token: SeDebugPrivilege	4928	powershell.exe
Token: SeDebugPrivilege	4036	powershell.exe
Token: SeDebugPrivilege	2856	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2932	2064	2026-07-23_10061fd5a7fe3587d0fb0160a9516eff_cryptbot_icedid_luca-stealer_njrat_stealc.exe	86
PID 2064 wrote to memory of 2248	2064	2026-07-23_10061fd5a7fe3587d0fb0160a9516eff_cryptbot_icedid_luca-stealer_njrat_stealc.exe	88
PID 2248 wrote to memory of 3708	2248	RuntimeBroker.exe	89
PID 2248 wrote to memory of 4532	2248	RuntimeBroker.exe	90
PID 2248 wrote to memory of 3840	2248	RuntimeBroker.exe	93
PID 3840 wrote to memory of 4928	3840	RuntimeBroker.exe	95
PID 3840 wrote to memory of 2148	3840	RuntimeBroker.exe	97
PID 2248 wrote to memory of 4036	2248	RuntimeBroker.exe	100
PID 3840 wrote to memory of 2856	3840	RuntimeBroker.exe	102
PID 2248 wrote to memory of 1076	2248	RuntimeBroker.exe	106
PID 1076 wrote to memory of 4160	1076	defendnot-loader.exe	108
PID 3840 wrote to memory of 2932	3840	RuntimeBroker.exe	109
PID 2932 wrote to memory of 3816	2932	defendnot-loader.exe	111

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\2026-07-23_10061fd5a7fe3587d0fb0160a9516eff_cryptbot_icedid_luca-stealer_njrat_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_10061fd5a7fe3587d0fb0160a9516eff_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\𝙈𝙪𝙠𝙪𝙡.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\𝙈𝙪𝙠𝙪𝙡.exe"
  2⤵
  - Executes dropped EXE
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\RuntimeBroker.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" -c Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\ubeqhjm3.pno
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3708
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Dir\RuntimeBroker.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4532
- - C:\Users\Admin\AppData\Roaming\Dir\RuntimeBroker.exe
    "C:\Users\Admin\AppData\Roaming\Dir\RuntimeBroker.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3840
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -c Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\hk31lbox.ikz
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4928
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Dir\RuntimeBroker.exe" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2148
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -c Add-MpPreference -ExclusionProcess defendnot-loader.exe
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2856
  - - C:\Users\Admin\AppData\Local\Temp\hk31lbox.ikz\defendnot-loader.exe
      "C:\Users\Admin\AppData\Local\Temp\hk31lbox.ikz\defendnot-loader.exe" --silent --name "Windows Security"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2932
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c pause
        5⤵
        Executes a command shell one-liner
        
        PID:3816
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" -c Add-MpPreference -ExclusionProcess defendnot-loader.exe
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4036
- - C:\Users\Admin\AppData\Local\Temp\ubeqhjm3.pno\defendnot-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\ubeqhjm3.pno\defendnot-loader.exe" --silent --name "Windows Security"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1076
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c pause
      4⤵
      Executes a command shell one-liner
      PID:4160

C:\Users\Admin\AppData\Roaming\Dir\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\Dir\RuntimeBroker.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4484

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
TLSH
T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

ModuleAnalysisCache

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Size 53KB
SHA256 499efdc3635b176946654a629ede6dd7fc3d573ead094b77d60b60f97cd208c2
MD5 eb95593cadef8a5dd4ae7059529d25c7
SHA1 464b6fc05fe1c21127a61db0a38e3e9c8c369d18
SHA512 28de4369543ef8f076d7a2169d08c9fca3d57ff2d4b207868227c206839b1e5c4438bf762fdd8a8ed4df6b45c458593c16be02adca044611b8b2c1f44a3afef8
SSDEEP 1536:gC+jH04tAHk1ZSMrxyNhftflJdvYoFi3j39MVvjMlUst+hNOwUp7bNvv+EGa5bxX:gC+jH04tAHk1cMrxyNhftflJdvYoFi3F
TLSH
T128334093E9204D71E1A66F3EF15662227D34394690F8113212DC25EFA983D970B1FAFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 95bcbd1fe0321baa46ef3ea9039237238c42dda0e1c34dfc827e10ae786a1b92
MD5 893b92314f0d18cd4bd440e193c0590a
SHA1 da0351cdb4ff160ae05b729828667db617859071
SHA512 bce742b3ba802066f1d4e9ea8e6c76837f4d02d5cce06bb729aba383d84f77172087cacd7274732c9b3122e5b75fc2579dd881d2798f3467f17a05a0ac6fd8f8
TLSH
T163116223F38C8920CC86163A409DAC1172B686CB81AFDF9F7FC0C210A1BF584CB61294
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 7630009e73734c1063299a1517378c0b9ab01ae30ca80d12f32c999a488a3bd3
MD5 75acf94a5b7e02ff8b94605530847b7b
SHA1 35d07340b4a8ccf97568fe50736fab01ff0d2628
SHA512 1fbed53419240185fa6990319b3dca2d0caef304bee6d2a1ffb39738b36131350e9dab49309b4079e2892c6d316729616ee73e51710b1c0c1a0e36d56ec87d22
TLSH
T11D112223F38D8920CC96163A509DAC5172B686CB81AEDF9F7FC0D210A5BF584CB61294
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 de04c8f1bc5dddeb4adbd00fd8bf9e07a17b4feda5b8a78f692b206aed843f62
MD5 f9a476833215fc86490087fc3a89e9a4
SHA1 f71f5d1f7441565846144998c37abcfaac690265
SHA512 9981c59346314dc69e2a3c3bde3220f8f4500f95e637d3aa4908cfcd26966a4e78b1ad53854d8300d13929d4ba0386236887424e20faf9dffcba2e7ca30647ce
TLSH
T10E112223F38C89A1CC961639509DAC5572B686CB81AEDEDF7FC0C210E1AF584CB61294
MD5 SHA1 SHA512 TLSH

Submit Download

RuntimeBroker.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\RuntimeBroker.exe
Size 2.6MB
SHA256 e3e978e81d020f12d56a202e9c882e8b87f5e810a630fea082a6d615748581a5
MD5 5eb4abeadbda8b5bfef0805d232d86a0
SHA1 1fe220d1792de52ebe42266b6bf483b190a1008e
SHA512 f6b9f9a47562c56368de7afae021473ee3bd9a5f76e167251824ff853f6dcc21aff201212252bdd826f131945faf17cb132888cb6528f5791df820ebb8c28e0c
SSDEEP 49152:8oDV2iNgLmnc/N+ZZXZQOLHM7wRPirm2NnPTKKm77LrwCB6uanv:rDVFNgScVIxpL7oZNn2Km77LrwkFW
TLSH
T12CC5011177F9810AF3BF5BB9ABB6105D0BB7F603A67AD38E4888505D0EA37809D11763
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

𝙈𝙪𝙠𝙪𝙡.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\𝙈𝙪𝙠𝙪𝙡.exe
Size 148KB
SHA256 e1ff3292c0282632d9f15e9d5fd2170946345a349076b204425eac706800179a
MD5 6e61f33125ac328f776d02c83d8a8ae9
SHA1 d6896ee0ab00ae292dc821b318cb8d9ae329c984
SHA512 0e12eec42b589a2c575f267a6ce329e6b777c825f3d29839fa90d7e80224c5ed6775f2efdc30ef317de7ea5d9264d488b225b8607089765453347136dfe435d7
SSDEEP 1536:n9YXnq9YamgiYSoGR6Ok84vKqILjiCBs86QKLRwqzm4X81Y01NT0Z2bo+W26dmIG:6qvmgiYSoIk8uIHzlqRwa/fB26dmIgR
TLSH
T1CEE33B07E6A851BEE1B7C679CD924C41FB7278594B71A7CF07504AB60E63AD0AE39302
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

__PSScriptPolicyTest_3haf3ref.yrw.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3haf3ref.yrw.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

defendnot-loader.exe

Path C:\Users\Admin\AppData\Local\Temp\ubeqhjm3.pno\defendnot-loader.exe
Size 581KB
SHA256 4776620d4a617ce96d83a3a2ae0999a9dc6ee79bd9dcefe296cd877a62aa2224
MD5 734d301654affee77396b554ccb04e0e
SHA1 7a4129e6a9180d4eb326e0c3a1f138539816cbc6
SHA512 48762065698d08366bc7413f65cc9f9577dc6099ecd8441bc48fb9a16e65d03fa6815b1000839fd4a34a5d11cebbc5a3a0505dc2d085e3e5ca424b6189490184
SSDEEP 12288:wDddddddddoCh8ahw7TLZ0yph0lhSMXliMsBk:wDddddddddoChjhw7CYh0lhSMXlns
TLSH
T18BC49D26B7E940F9D1ABC27889530A16EB737C4643616ACF03E44A675F236E05F3EB11
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2248-25-0x000001E4FD5A0000-0x000001E4FD5BE000-memory.dmp

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memory/2248-84-0x000001E4FD9C0000-0x000001E4FD9D2000-memory.dmp

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memory/2248-83-0x000001E4FD990000-0x000001E4FD99A000-memory.dmp

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memory/2248-24-0x000001E4FAD70000-0x000001E4FB00C000-memory.dmp

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memory/3708-31-0x000001D7256A0000-0x000001D7256C2000-memory.dmp

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memory/3840-40-0x000001E36C390000-0x000001E36C3CA000-memory.dmp

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memory/3840-47-0x000001E36C820000-0x000001E36C86C000-memory.dmp

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memory/3840-53-0x000001E36C870000-0x000001E36C8BA000-memory.dmp

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memory/3840-56-0x000001E36C730000-0x000001E36C75A000-memory.dmp

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memory/3840-46-0x000001E36C6F0000-0x000001E36C724000-memory.dmp

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memory/3840-43-0x000001E36C600000-0x000001E36C64A000-memory.dmp

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memory/3840-44-0x000001E36C6A0000-0x000001E36C6EE000-memory.dmp

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memory/3840-45-0x000001E36C3D0000-0x000001E36C3F6000-memory.dmp

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memory/3840-42-0x000001E36C760000-0x000001E36C812000-memory.dmp

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memory/3840-41-0x000001E36C650000-0x000001E36C6A0000-memory.dmp

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