Analysis
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max time kernel
42s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-10-2022 11:36
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
tmp.exe
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Size
1.0MB
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MD5
6f4fc9a2f722fb24d5944c3720c8e086
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SHA1
47b9064ae4db4974776bf8bd1bba8840b77124d2
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SHA256
d7420275fec10fe9b857d9a7688e50e86534f0aab151c5e766fc74833f34e478
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SHA512
6e3c4ebc7738115862e935b7cb18271969df1b2d54b49415d2500294b6391fb8f0dad0fe18bbeb69b865ecb40478ecad9c46e7b65c443e6445047164cf82f9e2
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SSDEEP
6144:3yq9ptgIsxITrY0jTxx7B+G9gZ6Ae2y8Uk:vxgIsxITrLjlx7B+BZR2
Score
10/10
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 1 IoCs
resource yara_rule behavioral1/memory/1076-55-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet -
Executes dropped EXE 2 IoCs
pid Process 560 Vqcttbn.exe 1644 Vqcttbn.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) \??\H: tmp.exe File opened (read-only) \??\R: tmp.exe File opened (read-only) \??\S: tmp.exe File opened (read-only) \??\U: tmp.exe File opened (read-only) \??\W: tmp.exe File opened (read-only) \??\Z: tmp.exe File opened (read-only) \??\B: tmp.exe File opened (read-only) \??\E: tmp.exe File opened (read-only) \??\I: tmp.exe File opened (read-only) \??\P: tmp.exe File opened (read-only) \??\T: tmp.exe File opened (read-only) \??\F: tmp.exe File opened (read-only) \??\G: tmp.exe File opened (read-only) \??\O: tmp.exe File opened (read-only) \??\Q: tmp.exe File opened (read-only) \??\V: tmp.exe File opened (read-only) \??\Y: tmp.exe File opened (read-only) \??\M: tmp.exe File opened (read-only) \??\N: tmp.exe File opened (read-only) \??\L: tmp.exe File opened (read-only) \??\X: tmp.exe File opened (read-only) \??\J: tmp.exe File opened (read-only) \??\K: tmp.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat Vqcttbn.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat Vqcttbn.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Microsoft Agacyc\Vqcttbn.exe tmp.exe File opened for modification C:\Program Files (x86)\Microsoft Agacyc\Vqcttbn.exe tmp.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 tmp.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz tmp.exe -
Modifies data under HKEY_USERS 49 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDecision = "0" Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\0e-74-82-27-fd-05 Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadDecisionReason = "1" Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadNetworkName = "Network 2" Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA} Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f000b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05 Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDecision = "0" Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f000b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDecisionReason = "1" Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDetectedUrl Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadDecisionReason = "1" Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadDecision = "0" Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadNetworkName = "Network 2" Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f000b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDecisionTime = 602de20440e9d801 Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA} Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDecisionTime = 602de20440e9d801 Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05 Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\0e-74-82-27-fd-05 Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDecisionReason = "1" Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadDecision = "0" Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadDecisionTime = 602de20440e9d801 Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings Vqcttbn.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" Vqcttbn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad Vqcttbn.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA8D03D8-B570-42F8-8BB5-CD37C967A3EA}\WpadDecisionTime = 60811b0e40e9d801 Vqcttbn.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-74-82-27-fd-05\WpadDecisionTime = 60811b0e40e9d801 Vqcttbn.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1076 tmp.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1076 tmp.exe 560 Vqcttbn.exe 1644 Vqcttbn.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 560 wrote to memory of 1644 560 Vqcttbn.exe 31 PID 560 wrote to memory of 1644 560 Vqcttbn.exe 31 PID 560 wrote to memory of 1644 560 Vqcttbn.exe 31 PID 560 wrote to memory of 1644 560 Vqcttbn.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1076
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C:\Program Files (x86)\Microsoft Agacyc\Vqcttbn.exe"C:\Program Files (x86)\Microsoft Agacyc\Vqcttbn.exe"1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Program Files (x86)\Microsoft Agacyc\Vqcttbn.exe"C:\Program Files (x86)\Microsoft Agacyc\Vqcttbn.exe" Win72⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1644
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.0MB
MD56f4fc9a2f722fb24d5944c3720c8e086
SHA147b9064ae4db4974776bf8bd1bba8840b77124d2
SHA256d7420275fec10fe9b857d9a7688e50e86534f0aab151c5e766fc74833f34e478
SHA5126e3c4ebc7738115862e935b7cb18271969df1b2d54b49415d2500294b6391fb8f0dad0fe18bbeb69b865ecb40478ecad9c46e7b65c443e6445047164cf82f9e2
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Filesize
1.0MB
MD56f4fc9a2f722fb24d5944c3720c8e086
SHA147b9064ae4db4974776bf8bd1bba8840b77124d2
SHA256d7420275fec10fe9b857d9a7688e50e86534f0aab151c5e766fc74833f34e478
SHA5126e3c4ebc7738115862e935b7cb18271969df1b2d54b49415d2500294b6391fb8f0dad0fe18bbeb69b865ecb40478ecad9c46e7b65c443e6445047164cf82f9e2
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Filesize
1.0MB
MD56f4fc9a2f722fb24d5944c3720c8e086
SHA147b9064ae4db4974776bf8bd1bba8840b77124d2
SHA256d7420275fec10fe9b857d9a7688e50e86534f0aab151c5e766fc74833f34e478
SHA5126e3c4ebc7738115862e935b7cb18271969df1b2d54b49415d2500294b6391fb8f0dad0fe18bbeb69b865ecb40478ecad9c46e7b65c443e6445047164cf82f9e2