chinese_generic_botnet | 564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa

General

Target

564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe
Size

380KB
MD5

8c0b96ed6e363fe53a7176a59f0fee43
SHA1

2658972cb293a35b5110684867528427def0c508
SHA256

564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa
SHA512

0607e06407606f400fd4cf5f31635b11e3794ae4cde095911ed63b1921e636ee33d00c112342a1dc64ea2b944ed2d866b3498c5a8c5120b51a33e484cefbad73
SSDEEP

3072:cmgg0YcfYYOR3YtPTu+Bx77F+G9gZ6AGvQl451eB4:9ggLcfzOyTxx7B+G9gZ6AeWB4

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 1 IoCs

botnet

resource	yara_rule
behavioral1/memory/3032-0-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet

Executes dropped EXE 1 IoCs

pid	Process
2868	Immswec.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	Immswec.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Immswec.exe	564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe
File opened for modification	C:\Program Files (x86)\Immswec.exe	564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Immswec.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0C6878FC-64E2-4D17-A702-CF6900AEBC75}	Immswec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0C6878FC-64E2-4D17-A702-CF6900AEBC75}\WpadDecision = "0"	Immswec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-5e-69-13-41-89\WpadDecision = "0"	Immswec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Immswec.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Immswec.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0C6878FC-64E2-4D17-A702-CF6900AEBC75}\WpadDecisionTime = 70235637f350da01	Immswec.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0C6878FC-64E2-4D17-A702-CF6900AEBC75}\WpadNetworkName = "Network 3"	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0C6878FC-64E2-4D17-A702-CF6900AEBC75}\de-5e-69-13-41-89	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Immswec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	Immswec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0C6878FC-64E2-4D17-A702-CF6900AEBC75}\WpadDecisionReason = "1"	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-5e-69-13-41-89	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Immswec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	Immswec.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Immswec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-5e-69-13-41-89\WpadDecisionReason = "1"	Immswec.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-5e-69-13-41-89\WpadDecisionTime = 70235637f350da01	Immswec.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Immswec.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Immswec.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Immswec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 3056	3032	564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe	28
PID 3032 wrote to memory of 3056	3032	564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe	28
PID 3032 wrote to memory of 3056	3032	564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe	28
PID 3032 wrote to memory of 3056	3032	564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe	28
PID 2868 wrote to memory of 2900	2868	Immswec.exe	34
PID 2868 wrote to memory of 2900	2868	Immswec.exe	34
PID 2868 wrote to memory of 2900	2868	Immswec.exe	34
PID 2868 wrote to memory of 2900	2868	Immswec.exe	34

C:\Users\Admin\AppData\Local\Temp\564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe
"C:\Users\Admin\AppData\Local\Temp\564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c md C:\windowss64
  2⤵
  PID:3056

C:\Program Files (x86)\Immswec.exe
"C:\Program Files (x86)\Immswec.exe"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c md C:\windowss64
  2⤵
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Immswec.exe

Filesize
380KB

MD5
8c0b96ed6e363fe53a7176a59f0fee43

SHA1
2658972cb293a35b5110684867528427def0c508

SHA256
564950ab4da3317837ee968cc1780bd68d4173b84601c5cf84c6deedbb1453aa

SHA512
0607e06407606f400fd4cf5f31635b11e3794ae4cde095911ed63b1921e636ee33d00c112342a1dc64ea2b944ed2d866b3498c5a8c5120b51a33e484cefbad73

Download Submit
memory/3032-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download

Analysis

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