Analysis
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max time kernel
140s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02-04-2024 09:52
Static task
static1
Behavioral task
behavioral1
Sample
b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
Resource
win7-20240221-en
General
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Target
b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
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Size
384KB
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MD5
f3f48c57c38bff2ddd220f20569e1ee6
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SHA1
0421127f1bcca91a6ab2a570a47f8159101b751a
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SHA256
b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc
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SHA512
4e6432ef57936317341b7b81ec433100d37bf46e84513e4fb495a2f820201af54d4f24f19e04d1f80aa03fd6662a1740303929ec2741b771523fb18ce87ed545
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SSDEEP
3072:iYyIxN7LMWf+GPBLi21ocO2jytUkU4uDQUiysA+30Sor6KH7j0m43ayYZt:GIx5MKQUJkqDDj+xW6KH7IuN
Malware Config
Extracted
emotet
Epoch3
190.117.206.153:443
203.99.187.137:443
200.55.168.82:20
70.32.94.58:8080
213.138.100.98:8080
144.76.62.10:8080
203.99.188.203:990
201.196.15.79:990
203.99.182.135:443
176.58.93.123:80
192.241.220.183:8080
94.177.253.126:80
181.47.235.26:993
216.75.37.196:8080
95.216.207.86:7080
78.109.34.178:443
113.52.135.33:7080
216.70.88.55:8080
138.197.140.163:8080
181.113.229.139:990
83.169.33.157:8080
212.112.113.235:80
143.95.101.72:8080
190.13.146.47:443
178.249.187.150:7080
157.7.164.178:8081
5.189.148.98:8080
51.38.134.203:8080
93.78.205.196:443
91.109.5.28:8080
173.249.157.58:8080
186.10.16.244:53
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat rebrandrebrand.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 25 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{064763DF-A25E-4BED-A124-A3EF5B565EB6}\WpadDecisionReason = "1" rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rebrandrebrand.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rebrandrebrand.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" rebrandrebrand.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections rebrandrebrand.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" rebrandrebrand.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{064763DF-A25E-4BED-A124-A3EF5B565EB6}\WpadDecisionTime = 80f6c89ee384da01 rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rebrandrebrand.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-4c-bf-fa-c7-32\WpadDecisionTime = e01f78dee384da01 rebrandrebrand.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings rebrandrebrand.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings rebrandrebrand.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-4c-bf-fa-c7-32\WpadDecisionReason = "1" rebrandrebrand.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-4c-bf-fa-c7-32\WpadDecision = "0" rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{064763DF-A25E-4BED-A124-A3EF5B565EB6}\WpadDecisionTime = e01f78dee384da01 rebrandrebrand.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{064763DF-A25E-4BED-A124-A3EF5B565EB6}\WpadNetworkName = "Network 3" rebrandrebrand.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{064763DF-A25E-4BED-A124-A3EF5B565EB6}\2a-4c-bf-fa-c7-32 rebrandrebrand.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-4c-bf-fa-c7-32 rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-4c-bf-fa-c7-32\WpadDecisionTime = 80f6c89ee384da01 rebrandrebrand.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-4c-bf-fa-c7-32\WpadDetectedUrl rebrandrebrand.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 rebrandrebrand.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{064763DF-A25E-4BED-A124-A3EF5B565EB6}\WpadDecision = "0" rebrandrebrand.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{064763DF-A25E-4BED-A124-A3EF5B565EB6} rebrandrebrand.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2620 rebrandrebrand.exe 2620 rebrandrebrand.exe 2620 rebrandrebrand.exe 2620 rebrandrebrand.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2136 b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3008 wrote to memory of 2136 3008 b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe 28 PID 3008 wrote to memory of 2136 3008 b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe 28 PID 3008 wrote to memory of 2136 3008 b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe 28 PID 3008 wrote to memory of 2136 3008 b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe 28 PID 2636 wrote to memory of 2620 2636 rebrandrebrand.exe 30 PID 2636 wrote to memory of 2620 2636 rebrandrebrand.exe 30 PID 2636 wrote to memory of 2620 2636 rebrandrebrand.exe 30 PID 2636 wrote to memory of 2620 2636 rebrandrebrand.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe"C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe--348726232⤵
- Suspicious behavior: RenamesItself
PID:2136
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C:\Windows\SysWOW64\rebrandrebrand.exe"C:\Windows\SysWOW64\rebrandrebrand.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Windows\SysWOW64\rebrandrebrand.exe--da5a70122⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2620
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