Analysis
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max time kernel
299s -
max time network
299s -
platform
windows7_x64 -
resource
win7-20241010-en -
submitted
08/11/2024, 03:41 UTC
Behavioral task
behavioral1
Sample
08112024_0341_24102024_Updater.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
08112024_0341_24102024_Updater.dll
Resource
win10v2004-20241007-en
General
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Target
08112024_0341_24102024_Updater.dll
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Size
129KB
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MD5
e08edc1510052adc297d6af47022a70b
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SHA1
f08af6d4a2f9655beb8219aca5711400efed8670
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SHA256
915a80abb43f04fcdfb9ba2ced3b38f3524c050b6c0a36d97f4e7827916248b2
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SHA512
2b91019e3d96b57362719b9bddb7b894239977266d23e2c8b9ebbcd93a9ba748491b96a92c1b4fd1876e74a3b7f3da99b89bb0e38a463a8ae9f357d9d9f66652
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SSDEEP
3072:Jhw2Pja55J8hTGMjctYnc/F5ipfVMFY3lz:Jhwv55WT7ctiiF5cV
Malware Config
Extracted
warmcookie
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mutex
65abfc80-a660-4691-a919-130dc9b75b98
Signatures
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Warmcookie family
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Warmcookie, Badspace
Warmcookie aka Badspace is a backdoor written in C++.
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Blocklisted process makes network request 60 IoCs
flow pid Process 4 3060 rundll32.exe 5 3060 rundll32.exe 6 3060 rundll32.exe 7 3060 rundll32.exe 8 3060 rundll32.exe 9 3060 rundll32.exe 11 3060 rundll32.exe 12 3060 rundll32.exe 13 3060 rundll32.exe 14 3060 rundll32.exe 15 3060 rundll32.exe 16 3060 rundll32.exe 18 3060 rundll32.exe 19 3060 rundll32.exe 20 3060 rundll32.exe 21 3060 rundll32.exe 22 3060 rundll32.exe 23 3060 rundll32.exe 25 3060 rundll32.exe 26 3060 rundll32.exe 27 3060 rundll32.exe 28 3060 rundll32.exe 29 3060 rundll32.exe 30 3060 rundll32.exe 32 3060 rundll32.exe 33 3060 rundll32.exe 34 3060 rundll32.exe 35 3060 rundll32.exe 36 3060 rundll32.exe 37 3060 rundll32.exe 39 3060 rundll32.exe 40 3060 rundll32.exe 41 3060 rundll32.exe 42 3060 rundll32.exe 43 3060 rundll32.exe 44 3060 rundll32.exe 46 3060 rundll32.exe 47 3060 rundll32.exe 48 3060 rundll32.exe 49 3060 rundll32.exe 50 3060 rundll32.exe 51 3060 rundll32.exe 53 3060 rundll32.exe 54 3060 rundll32.exe 55 3060 rundll32.exe 56 3060 rundll32.exe 57 3060 rundll32.exe 58 3060 rundll32.exe 60 3060 rundll32.exe 61 3060 rundll32.exe 62 3060 rundll32.exe 63 3060 rundll32.exe 64 3060 rundll32.exe 65 3060 rundll32.exe 67 3060 rundll32.exe 68 3060 rundll32.exe 69 3060 rundll32.exe 70 3060 rundll32.exe 71 3060 rundll32.exe 72 3060 rundll32.exe -
Loads dropped DLL 4 IoCs
pid Process 3060 rundll32.exe 3060 rundll32.exe 3060 rundll32.exe 3060 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat rundll32.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\Specbee.job regsvr32.exe -
Modifies data under HKEY_USERS 46 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = a01e497c9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000005000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" rundll32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionReason = "1" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = a0e6be5c9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = a01e497c9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000009000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000b000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = 60a366bf9031db01 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1} rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = a030ef4b9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = a0e6be5c9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000008000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000a000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = 80df702c9031db01 rundll32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecision = "0" rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = 40a04b3a9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000006000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = a089b26b9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = 60bbab9e9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecision = "0" rundll32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionReason = "1" rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = 40a04b3a9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = c071f18d9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = c051e3ac9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = a030ef4b9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = a089b26b9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = c071f18d9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = 60bbab9e9031db01 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = 80df702c9031db01 rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadNetworkName = "Network 2" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDetectedUrl rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000007000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\WpadDecisionTime = c051e3ac9031db01 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000c000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0166000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-15-58-ca-c5-eb\WpadDecisionTime = 60a366bf9031db01 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC40A603-D342-4BEC-A4CC-263A43A471A1}\b2-15-58-ca-c5-eb rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2516 wrote to memory of 3060 2516 taskeng.exe 32 PID 2516 wrote to memory of 3060 2516 taskeng.exe 32 PID 2516 wrote to memory of 3060 2516 taskeng.exe 32 -
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.
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\08112024_0341_24102024_Updater.dll1⤵
- Drops file in Windows directory
PID:2676
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C:\Windows\system32\taskeng.exetaskeng.exe {F42539AF-616E-477D-B4E7-BF03B400F8D8} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe "C:\ProgramData\Specbee\Updater.dll",Start /u2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3060
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Network
- No results found
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MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129KB
MD5e08edc1510052adc297d6af47022a70b
SHA1f08af6d4a2f9655beb8219aca5711400efed8670
SHA256915a80abb43f04fcdfb9ba2ced3b38f3524c050b6c0a36d97f4e7827916248b2
SHA5122b91019e3d96b57362719b9bddb7b894239977266d23e2c8b9ebbcd93a9ba748491b96a92c1b4fd1876e74a3b7f3da99b89bb0e38a463a8ae9f357d9d9f66652