1a096a76dbc0cd0845e3408026f3864bbf75fd4cf9cdd70980302a199c8bd60c

Analysis

user interaction
yes
max time kernel
60s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/08/2026, 20:20

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General

Target
Chlorine 2.0.exe
Size 1.9MB
Sample260828-y4d3bsshrd
SHA256 1a096a76dbc0cd0845e3408026f3864bbf75fd4cf9cdd70980302a199c8bd60c
MD5 1104990b3925d6528b9cd8c3ae3baaa5
SHA1 e229a18f75bcfbc1183af6c42d1cb2ecef2f4b94
SHA512 3761e28a6c657cadc2477c2709df7c41fd855a1ed8699c0ef5ebb1cce17b770858476b14732ca3af88639bd2389ede33eb94d60653305a5426388cf3f0f45834
SSDEEP 49152:BopL3S/Zbx81ztV9qDuWQSsQ9THeAyGGGZa:StS/ApPQ+SsuHe+Za
TLSH
T1E09523B3B96557ACD6E98CBAA282440DE9644D338780DA44D7D8FB17C3E3891770B13B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

bootkit discovery execution persistence upx

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
1688	mbr.exe
5180	noise.exe
5172	mousedraw.exe
3988	sussywaves.exe
3748	BitBlt1.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	mbr.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs

execution

Visual Basic

T1059.005

pid	Process
2680	wscript.exe
5188	WScript.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/4884-0-0x0000000000400000-0x000000000062C000-memory.dmp	upx
behavioral1/memory/4884-39-0x0000000000400000-0x000000000062C000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mbr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	noise.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mousedraw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sussywaves.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitBlt1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Chlorine 2.0.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000_Classes\Local Settings	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5188	WScript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4244	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4244	AUDIODG.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 2680	4884	Chlorine 2.0.exe	80
PID 2680 wrote to memory of 1688	2680	wscript.exe	81
PID 2680 wrote to memory of 5188	2680	wscript.exe	82
PID 2680 wrote to memory of 5180	2680	wscript.exe	83
PID 2680 wrote to memory of 5172	2680	wscript.exe	85
PID 2680 wrote to memory of 3988	2680	wscript.exe	86
PID 2680 wrote to memory of 3748	2680	wscript.exe	87

C:\Users\Admin\AppData\Local\Temp\Chlorine 2.0.exe
"C:\Users\Admin\AppData\Local\Temp\Chlorine 2.0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\system32\wscript.exe
  "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\2E4F.tmp\2E50.vbs //Nologo
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\mbr.exe
    "C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\mbr.exe"
    3⤵
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - System Location Discovery: System Language Discovery
    PID:1688
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\msgloop.vbs"
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    - Suspicious behavior: GetForegroundWindowSpam
    PID:5188
- - C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\noise.exe
    "C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\noise.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5180
- - C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\mousedraw.exe
    "C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\mousedraw.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5172
- - C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\sussywaves.exe
    "C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\sussywaves.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3988
- - C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\BitBlt1.exe
    "C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\BitBlt1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3748

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004B8 0x00000000000004DC
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4244

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

2E50.vbs

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\2E4F.tmp\2E50.vbs
Size 1KB
SHA256 76bc005b55d16fb4fe99d303a8cbcdfb8fa09a169a0f2dafdd1f15a514acff13
MD5 45b6873a3068a9fc124fe76d9bea42d4
SHA1 ab8be455775e5fcf1118fa68990b54daad9216b1
SHA512 0a3bd4b62b8a9b2edf81b30043f556ca18dadecdd358a007f797565dfbdaf191751c3df5e97b08bf1556fa59c82f4ea204fe0da4d9c457c2572495e00e36faa3
TLSH
T1D44150126BE60714B1F63F493CB115A60A2BBF61E93AE74C09481E0D5FF394C8C64B67
MD5 SHA1 SHA512 TLSH

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BitBlt1.exe

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\BitBlt1.exe
Size 105KB
SHA256 8d6452b5a2dacbf6a1e064fc959f16a5ec13b5986a2687e70b5458eefdb60573
MD5 19a8a16e2a0d3225d1fc390c0a11b5dd
SHA1 ca235475f7a767e10c81426e013ee59106deb306
SHA512 d470d61fa9b19c34cd9ed916f9a6b44c821ed47082393212c17c743a764d2eed4dea2aae31f37d984f3c359ca646b34f0c6486f5f473d940c675974deb313ec5
SSDEEP 1536:+85iT6EcrYTyyAmOvu3yUyJCbT4UK7BIR:WGEcxyAF64A
TLSH
T137B3F6D7BE8AADA3F925133989F98319033DF7C01B828B171D31993A17176A17FC5246
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

mbr.exe

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\mbr.exe
Size 1.3MB
SHA256 24706c7d79457b47edca4623fbdef2c2ef1f56e905838c70ac44dc4cad539238
MD5 7a2bd73519cd758b01e8c3b28311cac1
SHA1 a2255b0aa4ea8e5ed139a2e9a1aa64307f7eb5ee
SHA512 aa5b48cf7685f0dc66ba3146e396fc3c8c3d4a70b0ab4ccf3bf183bd4e2b198909c09b82459694dc49040a775c74802abf32dd3252209051af7969796c674ea2
SSDEEP 24576:RT3LlvRiQNGYXCI+b1w30WgvZef6YhuQ5O3h3JMtbu:dXNGDIu8NyMtbu
TLSH
T187550A93AACB0DB2DDE327F055C753766338DE208A26CF6BE608C5369E936C56C49701
MD5 SHA1 SHA512 SSDEEP TLSH

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mousedraw.exe

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\mousedraw.exe
Size 104KB
SHA256 9bbce9c9e1b513084b8a206e935b2512a341fd81688e71735ef27511d0378d47
MD5 f7db0edd465e545dcd947f4beef32779
SHA1 a02d2dcbe4ea1146b726a6191354340f8dd41f6a
SHA512 6d40cf365a30277328f9103083e939ac8fedf860ffef6d0c5bd80d708e0f73d606f456d37aa1fa5e69964ac2e20c263fbaa755a9c28eff962395e3509a7a4e25
SSDEEP 1536:h5iTgocXYpySNFO8u3yUyJCbAV0R7nghC1ed:i8ocKyStOV5ed
TLSH
T190A307D7BE8AEDA3F925173989F58319133DF7C01B828B171D21993A0B136A17FC524A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

msgloop.vbs

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\msgloop.vbs
Size 336B
SHA256 33923a07189189bcb897d6617457ece2a93c0fc9f5de8a786c39c874af9a0630
MD5 d95b234c9cef8f7f398d758564bf5821
SHA1 cd499485f7b128d2b475bc92311a45cd8c8b6de7
SHA512 51dfccb4975eb385d20cf58af02ed4e19d954777fdcc289a00409d94611d177efc20307312d42fc8e03590d0afc02bf78802830847bd8f0e8a6485bcb9ef8154
TLSH
T1F2E07D9092A1718A32C7C02D67CFAD721320687334AEA3D3ACA0780C71F97375155BAF
MD5 SHA1 SHA512 TLSH

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noise.exe

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\noise.exe
Size 102KB
SHA256 81cbb8c54d2dfdda281e37aff08f9f98afab3f415fbe3c7b5242c1b85495e715
MD5 3c285eec317672f7eb27ec27244cbe59
SHA1 3bd2512ea461dd67babad9b398128c70a3dde059
SHA512 590ec0ed53848bee0ae82e0ecc62c48d66f0380ca04c6e425cc97bdd05f1b2cddeecf2e58d58dbfee4872500a425b7d5d1401f955d65d891114f61cd7baaf5d7
SSDEEP 768:nnv5ybtwpM91ivG4Wl7fCwjfecgIxpYcQm7yyZqOyWOjonu3yUyJCbfw287Vg+J0:Y5iTsUczYayEqODu3yUyJCbfw287a+0
TLSH
T17BA307D7BA86EDA3F925173989F58319133DF7C00B828B171D21993A0B176E1BFC524A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

noise.wav

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\noise.wav
Size 1.0MB
SHA256 31be0f1ab83ae8bddccd657ca78c57ee26e2ac3b3a87637e3adc6405f018b399
MD5 cdc6c78486f27876fca2f9ce090fe2df
SHA1 5b2655c058b1a0415e00c207839113b863b0a750
SHA512 3f80524dbcfd2f1e756710f2f21cb498268da7528077833ed01b4f2030aa0df0f0528a69a6b516ad1e5988174d1395ae189981e707127bea0acdfa6be0477f2a
SSDEEP 12288:MQ7/WUH1FdM64o0x5ZUoRofkdXpN3Esu0Wf7Ob5y1iGL8Om3Xq31+PDiXZDg2io7:XVFdk52o/pQ0WfMQ1jEqpFfrRVf
TLSH
T1582533D888FB1D3FCD8419958C9A2B6021DCE1FDD0187059D9BAFDF021F649AE2465CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

sussywaves.exe

Path C:\Users\Admin\AppData\Local\Temp\2E4E.tmp\sussywaves.exe
Size 105KB
SHA256 13304570c6ccb706114aaae4602be5c85fa1862e1ed0200b3f0de514b14fcd41
MD5 632da6456dceea4819027bad982ab3cb
SHA1 9a5da49ddc3458b72fa3eae77332cac643508ad3
SHA512 cceb677651a8f7df59c8a22a076a69be31bc3a72992fbce6373d6908a33a0e2e1b7c669f664a9617933197ec7ff1b6e96fcc8613329b750dc143273f90991a55
SSDEEP 1536:m6oKCb5iTEkcLYTyBNOUu3yUyJCbot0D7Kg:RokcYyBnGig
TLSH
T1DEB3F7D7BE8AADA3F925173989F58329037DF7C01B828B131D31993A17136A1BFC5246
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1688-37-0x0000000000400000-0x00000000004D8000-memory.dmp

Download

memory/3748-59-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/3988-54-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/4884-0-0x0000000000400000-0x000000000062C000-memory.dmp

Download

memory/4884-39-0x0000000000400000-0x000000000062C000-memory.dmp

Download

memory/5172-49-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/5172-55-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/5172-60-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/5172-65-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/5180-47-0x0000000000400000-0x000000000041D000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads