Analysis
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max time kernel
59s -
max time network
60s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
01/03/2024, 15:41
Static task
static1
Behavioral task
behavioral1
Sample
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Resource
win10-20240221-en
Behavioral task
behavioral3
Sample
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Resource
win11-20240221-en
General
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Target
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
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Size
5.6MB
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MD5
731812403191b60503e017d88e23b1a3
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SHA1
67e1c24ded75620181916dea9654eeddf4049525
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SHA256
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2
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SHA512
1ae78e7d5e134d56ebbe9ec3e71bd7529aedbe5670a93b7728eca0aa482ac6688187884c5a61c2c8ef308acda555152d4d5cd2938d1cfa57303a8649803f01d5
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SSDEEP
98304:nsl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6UcR6m:nPOuK6mn9NzgMoYkSIvUcwti7TQlvciK
Malware Config
Signatures
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MilleniumRat
MilleniumRat is a remote access trojan written in C#.
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Executes dropped EXE 1 IoCs
pid Process 3820 Update.exe -
Loads dropped DLL 2 IoCs
pid Process 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3820 Update.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Windows\CurrentVersion\Run\ChromeUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleChromeUpdateLog\\Update.exe" reg.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 1 raw.githubusercontent.com 3 raw.githubusercontent.com 5 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 physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 2 IoCs
pid Process 1792 timeout.exe 1384 timeout.exe -
Enumerates processes with tasklist 1 TTPs 2 IoCs
pid Process 2464 tasklist.exe 3208 tasklist.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 4760 reg.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe 3820 Update.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe Token: SeDebugPrivilege 2464 tasklist.exe Token: SeDebugPrivilege 3208 tasklist.exe Token: SeDebugPrivilege 3820 Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3820 Update.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3516 wrote to memory of 4108 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 77 PID 3516 wrote to memory of 4108 3516 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 77 PID 4108 wrote to memory of 2464 4108 cmd.exe 79 PID 4108 wrote to memory of 2464 4108 cmd.exe 79 PID 4108 wrote to memory of 1784 4108 cmd.exe 80 PID 4108 wrote to memory of 1784 4108 cmd.exe 80 PID 4108 wrote to memory of 1384 4108 cmd.exe 81 PID 4108 wrote to memory of 1384 4108 cmd.exe 81 PID 4108 wrote to memory of 3208 4108 cmd.exe 82 PID 4108 wrote to memory of 3208 4108 cmd.exe 82 PID 4108 wrote to memory of 4568 4108 cmd.exe 83 PID 4108 wrote to memory of 4568 4108 cmd.exe 83 PID 4108 wrote to memory of 1792 4108 cmd.exe 84 PID 4108 wrote to memory of 1792 4108 cmd.exe 84 PID 4108 wrote to memory of 3820 4108 cmd.exe 85 PID 4108 wrote to memory of 3820 4108 cmd.exe 85 PID 3820 wrote to memory of 1920 3820 Update.exe 86 PID 3820 wrote to memory of 1920 3820 Update.exe 86 PID 1920 wrote to memory of 4760 1920 cmd.exe 88 PID 1920 wrote to memory of 4760 1920 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe"C:\Users\Admin\AppData\Local\Temp\db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp6820.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmp6820.tmp.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\system32\tasklist.exeTasklist /fi "PID eq 3516"3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2464
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C:\Windows\system32\find.exefind ":"3⤵PID:1784
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C:\Windows\system32\timeout.exeTimeout /T 1 /Nobreak3⤵
- Delays execution with timeout.exe
PID:1384
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C:\Windows\system32\tasklist.exeTasklist /fi "PID eq 3516"3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:3208
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C:\Windows\system32\find.exefind ":"3⤵PID:4568
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C:\Windows\system32\timeout.exeTimeout /T 1 /Nobreak3⤵
- Delays execution with timeout.exe
PID:1792
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C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe"C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3820 -
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 /f4⤵
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v ChromeUpdate /t REG_SZ /d C:\Users\Admin\AppData\Roaming\GoogleChromeUpdateLog\Update.exe /f5⤵
- Adds Run key to start application
- Modifies registry key
PID:4760
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.7MB
MD565ccd6ecb99899083d43f7c24eb8f869
SHA127037a9470cc5ed177c0b6688495f3a51996a023
SHA256aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4
SHA512533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d
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Filesize
256B
MD5ae8e57039b10aa484a50ec339cbcb8b4
SHA189861092d74103e8d59e8836697825c307b901eb
SHA2560368ac62fcbb45adae1b2816c718574915da87ad0ed665ee9a86ab16c41c6c0d
SHA51294360d2299d68bd78557ae85cbf690865d552c1eb498047be23f3a6c028f4ef81ff691b55ffd3415782af4bb31feca40dfb9ebcd8c99b56d65a95d7c491d75c5
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Filesize
5.6MB
MD5731812403191b60503e017d88e23b1a3
SHA167e1c24ded75620181916dea9654eeddf4049525
SHA256db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2
SHA5121ae78e7d5e134d56ebbe9ec3e71bd7529aedbe5670a93b7728eca0aa482ac6688187884c5a61c2c8ef308acda555152d4d5cd2938d1cfa57303a8649803f01d5