chinese_generic_botnet | bb10d1876255ac5c7beb971b9c3f748976eef78067690392f36e698939331ac1

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

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General

Target

Server_se.exe
Size

880KB
MD5

53460de37325b4979177f832ae51f9de
SHA1

f32dd3e711e5fc24c3e525ab835c83588cbc1558
SHA256

bb10d1876255ac5c7beb971b9c3f748976eef78067690392f36e698939331ac1
SHA512

19a489017baaa2adb1c9cf75a502725a28193e4a0661b8f7956169084884e82e07d9b980091d1f8c307cb6f7ae7e7bb3fd3012db0a30dedbe30621f1f60f1595
SSDEEP

24576:7stUx5NK+HjoSIIJ2thqogNSNOKt5apf7xesN7:gtIS+dJgRkSNO0Qpow

Score

10^/10

chinese_generic_botnet botnet

Malware Config

Signatures

Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
botnet chinese_generic_botnet

Chinese Botnet payload 2 IoCs

botnet

Processes:

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

Processes:

Ecigfam.exe

pid process

1692 Ecigfam.exe

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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Server_se.exe

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

Processes:

Ecigfam.exe

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

Processes:

Server_se.exeEcigfam.exe

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

Processes:

Server_se.exe

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.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Server_se.exe

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

Processes:

Ecigfam.exe

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

Processes:

Server_se.exe

pid process

1576 Server_se.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

Server_se.exe

pid process

1576 Server_se.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Server_se.exeEcigfam.exe

description	pid	process	target process
PID 1576 wrote to memory of 1032	1576	Server_se.exe	cmd.exe
PID 1576 wrote to memory of 1032	1576	Server_se.exe	cmd.exe
PID 1576 wrote to memory of 1032	1576	Server_se.exe	cmd.exe
PID 1576 wrote to memory of 1032	1576	Server_se.exe	cmd.exe
PID 1692 wrote to memory of 280	1692	Ecigfam.exe	cmd.exe
PID 1692 wrote to memory of 280	1692	Ecigfam.exe	cmd.exe
PID 1692 wrote to memory of 280	1692	Ecigfam.exe	cmd.exe
PID 1692 wrote to memory of 280	1692	Ecigfam.exe	cmd.exe

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.exe
C:\Windows\system32\cmd.exe /c md C:\windowss64
2⤵
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.exe
C:\Windows\system32\cmd.exe /c md C:\windowss64
2⤵
PID:280

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Ecigfam.exe
Filesize
880KB

MD5
53460de37325b4979177f832ae51f9de

SHA1
f32dd3e711e5fc24c3e525ab835c83588cbc1558

SHA256
bb10d1876255ac5c7beb971b9c3f748976eef78067690392f36e698939331ac1

SHA512
19a489017baaa2adb1c9cf75a502725a28193e4a0661b8f7956169084884e82e07d9b980091d1f8c307cb6f7ae7e7bb3fd3012db0a30dedbe30621f1f60f1595

Download Submit
C:\Program Files (x86)\Ecigfam.exe
Filesize
880KB

MD5
53460de37325b4979177f832ae51f9de

SHA1
f32dd3e711e5fc24c3e525ab835c83588cbc1558

SHA256
bb10d1876255ac5c7beb971b9c3f748976eef78067690392f36e698939331ac1

SHA512
19a489017baaa2adb1c9cf75a502725a28193e4a0661b8f7956169084884e82e07d9b980091d1f8c307cb6f7ae7e7bb3fd3012db0a30dedbe30621f1f60f1595

Download Submit
memory/280-9277-0x0000000000000000-mapping.dmp

Download
memory/1032-4813-0x0000000000000000-mapping.dmp

Download
memory/1576-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/1576-56-0x0000000075800000-0x0000000075847000-memory.dmp

Filesize
284KB

Download
memory/1576-462-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-463-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-464-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-465-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-466-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-467-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-468-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-469-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/1576-471-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-470-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-472-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-473-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-474-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-475-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-476-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-477-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-478-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-479-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-480-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-481-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-482-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-483-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-484-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-485-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-486-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-487-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-488-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-489-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-495-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-494-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-496-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-493-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-497-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-492-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-490-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-491-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-498-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-499-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-500-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-501-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-504-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-507-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-508-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-510-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-511-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-509-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-512-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-506-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-513-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-505-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-502-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-514-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-503-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-517-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-518-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-519-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-520-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-521-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-515-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-516-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-522-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-523-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-524-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-1340-0x0000000001D60000-0x0000000001E60000-memory.dmp

Filesize
1024KB

Download
memory/1576-1342-0x0000000001FF0000-0x0000000002171000-memory.dmp

Filesize
1.5MB

Download
memory/1576-4814-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1576-4815-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/1576-4816-0x0000000001D60000-0x0000000001E60000-memory.dmp

Filesize
1024KB

Download
memory/1576-4820-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/1692-5342-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/1692-6218-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/1692-6220-0x0000000001E70000-0x0000000001FF1000-memory.dmp

Filesize
1.5MB

Download
memory/1692-9276-0x0000000002180000-0x0000000002291000-memory.dmp

Filesize
1.1MB

Download
memory/1692-9278-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/1692-9279-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/1692-9283-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download