Analysis
-
max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-11-2024 21:05
Static task
static1
Behavioral task
behavioral1
Sample
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
Resource
win10v2004-20241007-en
General
-
Target
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe
-
Size
5.6MB
-
MD5
731812403191b60503e017d88e23b1a3
-
SHA1
67e1c24ded75620181916dea9654eeddf4049525
-
SHA256
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2
-
SHA512
1ae78e7d5e134d56ebbe9ec3e71bd7529aedbe5670a93b7728eca0aa482ac6688187884c5a61c2c8ef308acda555152d4d5cd2938d1cfa57303a8649803f01d5
-
SSDEEP
98304:nsl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6UcR6m:nPOuK6mn9NzgMoYkSIvUcwti7TQlvciK
Malware Config
Signatures
-
MilleniumRat
MilleniumRat is a remote access trojan written in C#.
-
Milleniumrat family
-
Executes dropped EXE 1 IoCs
Processes:
Update.exepid Process 2924 Update.exe -
Loads dropped DLL 2 IoCs
Processes:
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exeUpdate.exepid Process 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 2924 Update.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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
Processes:
flow ioc 7 raw.githubusercontent.com 10 raw.githubusercontent.com 6 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.
Processes:
flow ioc 4 ip-api.com -
Enumerates processes with tasklist 1 TTPs 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid Process 2912 timeout.exe -
Modifies registry key 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exeUpdate.exepid Process 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 2924 Update.exe 2924 Update.exe 2924 Update.exe 2924 Update.exe 2924 Update.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exetasklist.exeUpdate.exedescription pid Process Token: SeDebugPrivilege 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe Token: SeDebugPrivilege 2884 tasklist.exe Token: SeDebugPrivilege 2924 Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Update.exepid Process 2924 Update.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.execmd.exeUpdate.execmd.exedescription pid Process procid_target PID 2668 wrote to memory of 2736 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 32 PID 2668 wrote to memory of 2736 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 32 PID 2668 wrote to memory of 2736 2668 db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2.exe 32 PID 2736 wrote to memory of 2884 2736 cmd.exe 34 PID 2736 wrote to memory of 2884 2736 cmd.exe 34 PID 2736 wrote to memory of 2884 2736 cmd.exe 34 PID 2736 wrote to memory of 2848 2736 cmd.exe 35 PID 2736 wrote to memory of 2848 2736 cmd.exe 35 PID 2736 wrote to memory of 2848 2736 cmd.exe 35 PID 2736 wrote to memory of 2912 2736 cmd.exe 36 PID 2736 wrote to memory of 2912 2736 cmd.exe 36 PID 2736 wrote to memory of 2912 2736 cmd.exe 36 PID 2736 wrote to memory of 2924 2736 cmd.exe 37 PID 2736 wrote to memory of 2924 2736 cmd.exe 37 PID 2736 wrote to memory of 2924 2736 cmd.exe 37 PID 2924 wrote to memory of 2432 2924 Update.exe 38 PID 2924 wrote to memory of 2432 2924 Update.exe 38 PID 2924 wrote to memory of 2432 2924 Update.exe 38 PID 2432 wrote to memory of 2308 2432 cmd.exe 40 PID 2432 wrote to memory of 2308 2432 cmd.exe 40 PID 2432 wrote to memory of 2308 2432 cmd.exe 40 PID 2924 wrote to memory of 2032 2924 Update.exe 41 PID 2924 wrote to memory of 2032 2924 Update.exe 41 PID 2924 wrote to memory of 2032 2924 Update.exe 41
Processes
-
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:2668 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpD21E.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\tmpD21E.tmp.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\system32\tasklist.exeTasklist /fi "PID eq 2668"3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2884
-
-
C:\Windows\system32\find.exefind ":"3⤵PID:2848
-
-
C:\Windows\system32\timeout.exeTimeout /T 1 /Nobreak3⤵
- Delays execution with timeout.exe
PID:2912
-
-
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:2924 -
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:2432 -
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:2308
-
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2924 -s 16204⤵PID:2032
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
256B
MD5a1de6ec4f15988e8ec69523a2fb5097a
SHA152b32deb6a375fc58b11e735a16118a1bc4504a2
SHA256f7a8d1543cd24f14497260cde28cb441334d8e814d1f53c709e6b428747ffbe1
SHA512a8fa3cc40af8ff674efc8b3411c626b30ede2c0beb1dddf8cdc909168cdde970d28c9b0a5ec1b3fd019ef144d3d6c7b1dcdbef1369a717f9f78371f9f2d335fe
-
Filesize
5.6MB
MD5731812403191b60503e017d88e23b1a3
SHA167e1c24ded75620181916dea9654eeddf4049525
SHA256db874ae685d2bc4235b1213ec9d43d327c8d2bd12300bb0d78c9ce0a84c828b2
SHA5121ae78e7d5e134d56ebbe9ec3e71bd7529aedbe5670a93b7728eca0aa482ac6688187884c5a61c2c8ef308acda555152d4d5cd2938d1cfa57303a8649803f01d5
-
Filesize
1.7MB
MD565ccd6ecb99899083d43f7c24eb8f869
SHA127037a9470cc5ed177c0b6688495f3a51996a023
SHA256aba67c7e6c01856838b8bc6b0ba95e864e1fdcb3750aa7cdc1bc73511cea6fe4
SHA512533900861fe36cf78b614d6a7ce741ff1172b41cbd5644b4a9542e6ca42702e6fbfb12f0fbaae8f5992320870a15e90b4f7bf180705fc9839db433413860be6d