Analysis
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max time kernel
66s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
06-06-2023 15:40
Static task
static1
Behavioral task
behavioral1
Sample
05407799.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
05407799.exe
Resource
win10v2004-20230221-en
General
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Target
05407799.exe
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Size
3.4MB
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MD5
58b916ae442df6c81744ddae2221cabe
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SHA1
cf5be2bd01717f8141e517546a32b484d8bc7f9e
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SHA256
e9a420ebce08d2c90e6b536969171438363f2140d99f1c9f3d91f00cb292a6a0
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SHA512
da626a4736fc962004652ddfcee740b53049961058b53cee84f88b901e2243408dbfdad9dffc86e0d9312927122e930ebf37888d4d1e4abee1d0cfe123be2db2
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SSDEEP
98304:93dyYV/1g8pxdfR/mKYvuxNhthE1GR0FLOAkGkzdnEVomFHKnPA:hd/gsdflzdNhE1GR0FLOyomFHKnP
Malware Config
Signatures
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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Chinese Botnet payload 2 IoCs
resource yara_rule behavioral1/memory/932-54-0x00000000000A0000-0x00000000000C6000-memory.dmp unk_chinese_botnet behavioral1/memory/932-55-0x0000000010000000-0x0000000010027000-memory.dmp unk_chinese_botnet -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1432 Windowsfig.exe -
Loads dropped DLL 6 IoCs
pid Process 932 05407799.exe 1644 WerFault.exe 1644 WerFault.exe 1644 WerFault.exe 1644 WerFault.exe 1644 WerFault.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\O: 05407799.exe File opened (read-only) \??\T: 05407799.exe File opened (read-only) \??\W: 05407799.exe File opened (read-only) \??\F: 05407799.exe File opened (read-only) \??\K: 05407799.exe File opened (read-only) \??\M: 05407799.exe File opened (read-only) \??\R: 05407799.exe File opened (read-only) \??\V: 05407799.exe File opened (read-only) \??\P: 05407799.exe File opened (read-only) \??\X: 05407799.exe File opened (read-only) \??\Y: 05407799.exe File opened (read-only) \??\B: 05407799.exe File opened (read-only) \??\H: 05407799.exe File opened (read-only) \??\I: 05407799.exe File opened (read-only) \??\J: 05407799.exe File opened (read-only) \??\N: 05407799.exe File opened (read-only) \??\U: 05407799.exe File opened (read-only) \??\Z: 05407799.exe File opened (read-only) \??\E: 05407799.exe File opened (read-only) \??\G: 05407799.exe File opened (read-only) \??\L: 05407799.exe File opened (read-only) \??\Q: 05407799.exe File opened (read-only) \??\S: 05407799.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1644 1432 WerFault.exe 30 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 05407799.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 05407799.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 932 05407799.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 932 wrote to memory of 1432 932 05407799.exe 30 PID 932 wrote to memory of 1432 932 05407799.exe 30 PID 932 wrote to memory of 1432 932 05407799.exe 30 PID 932 wrote to memory of 1432 932 05407799.exe 30 PID 1432 wrote to memory of 1644 1432 Windowsfig.exe 31 PID 1432 wrote to memory of 1644 1432 Windowsfig.exe 31 PID 1432 wrote to memory of 1644 1432 Windowsfig.exe 31 PID 1432 wrote to memory of 1644 1432 Windowsfig.exe 31 PID 932 wrote to memory of 1920 932 05407799.exe 32 PID 932 wrote to memory of 1920 932 05407799.exe 32 PID 932 wrote to memory of 1920 932 05407799.exe 32 PID 932 wrote to memory of 1920 932 05407799.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\05407799.exe"C:\Users\Admin\AppData\Local\Temp\05407799.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:932 -
C:\ProgramData\Windowsfig.exe"C:\ProgramData\Windowsfig.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 6243⤵
- Loads dropped DLL
- Program crash
PID:1644
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C:\Windows\SysWOW64\cmd.execmd /C "del /F /S /Q /A C:\ProgramData\Windowsfig.exe"2⤵PID:1920
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a
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Filesize
108KB
MD540528a8ce542af784cb9958552f7798d
SHA158c5ba782f367a1d65bf712ada150fe0b5e14292
SHA25646780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc
SHA512dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a