Analysis
-
max time kernel
148s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
15-10-2022 01:51
Static task
static1
Behavioral task
behavioral1
Sample
Server_se.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Server_se.exe
Resource
win10v2004-20220901-en
General
-
Target
Server_se.exe
-
Size
880KB
-
MD5
53460de37325b4979177f832ae51f9de
-
SHA1
f32dd3e711e5fc24c3e525ab835c83588cbc1558
-
SHA256
bb10d1876255ac5c7beb971b9c3f748976eef78067690392f36e698939331ac1
-
SHA512
19a489017baaa2adb1c9cf75a502725a28193e4a0661b8f7956169084884e82e07d9b980091d1f8c307cb6f7ae7e7bb3fd3012db0a30dedbe30621f1f60f1595
-
SSDEEP
24576:7stUx5NK+HjoSIIJ2thqogNSNOKt5apf7xesN7:gtIS+dJgRkSNO0Qpow
Malware Config
Signatures
-
Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
-
Chinese Botnet payload 2 IoCs
resource yara_rule behavioral1/memory/1576-4820-0x0000000000400000-0x0000000000529000-memory.dmp unk_chinese_botnet behavioral1/memory/1692-9283-0x0000000000400000-0x0000000000529000-memory.dmp unk_chinese_botnet -
Executes dropped EXE 1 IoCs
pid Process 1692 Ecigfam.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: Server_se.exe File opened (read-only) \??\T: Server_se.exe File opened (read-only) \??\U: Server_se.exe File opened (read-only) \??\B: Server_se.exe File opened (read-only) \??\L: Server_se.exe File opened (read-only) \??\N: Server_se.exe File opened (read-only) \??\R: Server_se.exe File opened (read-only) \??\W: Server_se.exe File opened (read-only) \??\Y: Server_se.exe File opened (read-only) \??\I: Server_se.exe File opened (read-only) \??\M: Server_se.exe File opened (read-only) \??\H: Server_se.exe File opened (read-only) \??\J: Server_se.exe File opened (read-only) \??\P: Server_se.exe File opened (read-only) \??\Q: Server_se.exe File opened (read-only) \??\S: Server_se.exe File opened (read-only) \??\V: Server_se.exe File opened (read-only) \??\F: Server_se.exe File opened (read-only) \??\G: Server_se.exe File opened (read-only) \??\X: Server_se.exe File opened (read-only) \??\Z: Server_se.exe File opened (read-only) \??\E: Server_se.exe File opened (read-only) \??\K: Server_se.exe -
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 Ecigfam.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 32 IoCs
pid Process 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1692 Ecigfam.exe 1692 Ecigfam.exe 1576 Server_se.exe 1692 Ecigfam.exe 1576 Server_se.exe 1692 Ecigfam.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe 1576 Server_se.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Ecigfam.exe Server_se.exe File opened for modification C:\Program Files (x86)\Ecigfam.exe Server_se.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
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 Server_se.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Server_se.exe -
Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings Ecigfam.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F37AE381-0E2F-44C2-8317-96EE207D823D}\WpadDecision = "0" Ecigfam.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-c1-a4-c1-69-03\WpadDecisionReason = "1" Ecigfam.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-c1-a4-c1-69-03\WpadDecision = "0" Ecigfam.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Ecigfam.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" Ecigfam.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad Ecigfam.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0017000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ Ecigfam.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix Ecigfam.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" Ecigfam.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F37AE381-0E2F-44C2-8317-96EE207D823D}\WpadDecisionTime = 7091349849e0d801 Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F37AE381-0E2F-44C2-8317-96EE207D823D}\1e-c1-a4-c1-69-03 Ecigfam.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-c1-a4-c1-69-03\WpadDecisionTime = 7091349849e0d801 Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections Ecigfam.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Ecigfam.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F37AE381-0E2F-44C2-8317-96EE207D823D} Ecigfam.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F37AE381-0E2F-44C2-8317-96EE207D823D}\WpadDecisionReason = "1" Ecigfam.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F37AE381-0E2F-44C2-8317-96EE207D823D}\WpadNetworkName = "Network 2" Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-c1-a4-c1-69-03 Ecigfam.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings Ecigfam.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1576 Server_se.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1576 Server_se.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1576 wrote to memory of 1032 1576 Server_se.exe 28 PID 1576 wrote to memory of 1032 1576 Server_se.exe 28 PID 1576 wrote to memory of 1032 1576 Server_se.exe 28 PID 1576 wrote to memory of 1032 1576 Server_se.exe 28 PID 1692 wrote to memory of 280 1692 Ecigfam.exe 33 PID 1692 wrote to memory of 280 1692 Ecigfam.exe 33 PID 1692 wrote to memory of 280 1692 Ecigfam.exe 33 PID 1692 wrote to memory of 280 1692 Ecigfam.exe 33
Processes
-
C:\Users\Admin\AppData\Local\Temp\Server_se.exe"C:\Users\Admin\AppData\Local\Temp\Server_se.exe"1⤵
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c md C:\windowss642⤵PID:1032
-
-
C:\Program Files (x86)\Ecigfam.exe"C:\Program Files (x86)\Ecigfam.exe"1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c md C:\windowss642⤵PID:280
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
880KB
MD553460de37325b4979177f832ae51f9de
SHA1f32dd3e711e5fc24c3e525ab835c83588cbc1558
SHA256bb10d1876255ac5c7beb971b9c3f748976eef78067690392f36e698939331ac1
SHA51219a489017baaa2adb1c9cf75a502725a28193e4a0661b8f7956169084884e82e07d9b980091d1f8c307cb6f7ae7e7bb3fd3012db0a30dedbe30621f1f60f1595
-
Filesize
880KB
MD553460de37325b4979177f832ae51f9de
SHA1f32dd3e711e5fc24c3e525ab835c83588cbc1558
SHA256bb10d1876255ac5c7beb971b9c3f748976eef78067690392f36e698939331ac1
SHA51219a489017baaa2adb1c9cf75a502725a28193e4a0661b8f7956169084884e82e07d9b980091d1f8c307cb6f7ae7e7bb3fd3012db0a30dedbe30621f1f60f1595