milleniumrat | 9165705656ffe7608922ff366357e3b98b0e5ece8c6d39780874c7b4bd7b2dd3

Analysis

max time kernel
149s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
24/05/2026, 02:01

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General

Target
sub_9165705656ff.exe
Size 5.6MB
Sample260524-cftl8aav6t
SHA256 9165705656ffe7608922ff366357e3b98b0e5ece8c6d39780874c7b4bd7b2dd3
MD5 23b25ce90f70ffa0435db8df6a6764f2
SHA1 72d0c052f26309704f13c090495c3cdea4ed1bf2
SHA512 b6c81131119b95df9d789329ffd4553c1624f7d9e38c46924ac4838e59ccb59b538646f36d8c80b9361412842f8c0328aa4177e93e72e22c15077669ee9904ec
SSDEEP 98304:tJRl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Uc:tWOuK6mn9NzgMoYkSIvUcwti7TQlvciE
TLSH
T1B556F126F6D500D8E8E74178827B6B67EA7071011320ABDB53D049B95F23BE27A7F319
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery milleniumrat persistence rat spyware stealer

Malware Config

Signatures

Family: MilleniumRat
MilleniumRat is a remote access trojan written in C#.
rat stealer milleniumrat

Detects MilleniumRAT stealer 2 IoCs

resource	yara_rule
behavioral2/memory/4744-0-0x0000026215FA0000-0x0000026216542000-memory.dmp	family_milleniumrat
behavioral2/files/0x001900000002b530-14.dat	family_milleniumrat

Executes dropped EXE 2 IoCs

pid	Process
792	Update.exe
4504	Update.exe

Loads dropped DLL 3 IoCs

pid	Process
4744	sub_9165705656ff.exe
792	Update.exe
4504	Update.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2654269261-3199571979-4291878722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe"	reg.exe

Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Web Service

T1102

flow	ioc
1	raw.githubusercontent.com
3	raw.githubusercontent.com
5	raw.githubusercontent.com
10	raw.githubusercontent.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
5048	tasklist.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Update.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Update.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4496	timeout.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
2336	reg.exe
2520	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
4744	sub_9165705656ff.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
792	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe
4504	Update.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	sub_9165705656ff.exe
Token: SeDebugPrivilege	5048	tasklist.exe
Token: SeDebugPrivilege	792	Update.exe
Token: SeDebugPrivilege	4504	Update.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
792	Update.exe
4504	Update.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 1580	4744	sub_9165705656ff.exe	82
PID 1580 wrote to memory of 3124	1580	cmd.exe	84
PID 1580 wrote to memory of 5048	1580	cmd.exe	85
PID 1580 wrote to memory of 1856	1580	cmd.exe	86
PID 1580 wrote to memory of 4496	1580	cmd.exe	87
PID 1580 wrote to memory of 792	1580	cmd.exe	88
PID 792 wrote to memory of 2908	792	Update.exe	89
PID 2908 wrote to memory of 2336	2908	cmd.exe	91
PID 4504 wrote to memory of 3008	4504	Update.exe	97
PID 3008 wrote to memory of 2520	3008	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\sub_9165705656ff.exe
"C:\Users\Admin\AppData\Local\Temp\sub_9165705656ff.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp65F8.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp65F8.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1580
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:3124
- - C:\Windows\system32\tasklist.exe
    Tasklist /fi "PID eq 4744"
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:5048
- - C:\Windows\system32\find.exe
    find ":"
    3⤵
    PID:1856
- - C:\Windows\system32\timeout.exe
    Timeout /T 1 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4496
- - C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
    "C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:792
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2908
    - - C:\Windows\system32\reg.exe
        
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
        5⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:2336

C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\system32\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:2520

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

sqlite.interop.dll

Path C:\Users\Admin\AppData\Local\Temp\Costura\A54E036D2DCD19384E8EA53862E0DD8F\64\sqlite.interop.dll
Size 1.7MB
SHA256 aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4
MD5 65ccd6ecb99899083d43f7c24eb8f869
SHA1 27037a9470cc5ed177c0b6688495f3a51996a023
SHA512 533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d
SSDEEP 49152:c9EeNSPwEW3cFSI4Tfm3hvbHsjAJcAMkP3:c9Nzm31PMo3
TLSH
T1B9858D4BB2B8009CD5A7C17DC617670BEBB174051750ABDB17A087AA2F23FE516BE324
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp65F8.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp65F8.tmp.bat
Size 286B
SHA256 f8bac20b70b835bb7662c5b576e0978196ca2461a3423118aa951363387f8334
MD5 89212a14162d669a8f3a862ac24596f9
SHA1 ff9d1b7791b96a715efa8d76ecaac556d6d3b8d0
SHA512 78c31160623768ec5edf017b75d1413b7c5f9589a3ce4f0f79dca016553522d695b65558bf050096dd8d0d3f92ad474363aa0e859c12751c805bbd0fdd97562d
TLSH
T18AD0271301CCCB2F3411987F9F357588F4F58551DD1935456711541913CC412BC4F042
MD5 SHA1 SHA512 TLSH

Submit Download

Update.exe

Path C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe
Size 5.6MB
SHA256 9165705656ffe7608922ff366357e3b98b0e5ece8c6d39780874c7b4bd7b2dd3
MD5 23b25ce90f70ffa0435db8df6a6764f2
SHA1 72d0c052f26309704f13c090495c3cdea4ed1bf2
SHA512 b6c81131119b95df9d789329ffd4553c1624f7d9e38c46924ac4838e59ccb59b538646f36d8c80b9361412842f8c0328aa4177e93e72e22c15077669ee9904ec
SSDEEP 98304:tJRl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Uc:tWOuK6mn9NzgMoYkSIvUcwti7TQlvciE
TLSH
T1B556F126F6D500D8E8E74178827B6B67EA7071011320ABDB53D049B95F23BE27A7F319
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/792-25-0x000001E065330000-0x000001E06536A000-memory.dmp

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memory/792-18-0x000001E064EC0000-0x000001E064F2A000-memory.dmp

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memory/792-20-0x000001E064F30000-0x000001E064FE2000-memory.dmp

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memory/792-21-0x000001E065030000-0x000001E065080000-memory.dmp

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memory/792-22-0x000001E065080000-0x000001E0650A2000-memory.dmp

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memory/792-26-0x000001E0652F0000-0x000001E065316000-memory.dmp

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memory/792-27-0x000001E066040000-0x000001E06636E000-memory.dmp

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memory/792-43-0x000001E065390000-0x000001E0653A2000-memory.dmp

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memory/4744-7-0x00000262182D0000-0x00000262182EE000-memory.dmp

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memory/4744-8-0x0000026218300000-0x000002621830A000-memory.dmp

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memory/4744-6-0x0000026232380000-0x0000026232390000-memory.dmp

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memory/4744-5-0x0000026218380000-0x00000262183F6000-memory.dmp

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memory/4744-0-0x0000026215FA0000-0x0000026216542000-memory.dmp

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