runningrat | 0b510380e52b3c97e7a2f227eb9ecda6a194885da74fac6630f1eb7d5ee6091f

General

Target

blq.exe
Size

801KB
MD5

6153a06b74491bacb664bf142b598c69
SHA1

dade36a11a568e3b0b5f3e7fd44b566182702534
SHA256

0b510380e52b3c97e7a2f227eb9ecda6a194885da74fac6630f1eb7d5ee6091f
SHA512

bb1c20ce4b2ae5e3524e1127eca6047ab897da49d8b66e435e8d81f418dc16c7c6345887ae67c9ca7ea0f39d175eedace8dabc74be9db9ea492ca4c489ec4721
SSDEEP

12288:GMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9zl6MMuj:GnsJ39LyjbJkQFMhmC+6GD99h

Score

10^/10

runningrat xred backdoor discovery persistence rat

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes

email
[email protected]
payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

http://xred.site50.net/syn/SUpdate.ini

https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

http://xred.site50.net/syn/Synaptics.rar

https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

http://xred.site50.net/syn/SSLLibrary.dll

Signatures

RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat runningrat

RunningRat payload 5 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023cdd-6.dat	family_runningrat
behavioral2/files/0x0007000000023ce3-66.dat	family_runningrat
behavioral2/memory/3124-135-0x0000000000400000-0x00000000004CE000-memory.dmp	family_runningrat
behavioral2/memory/1272-204-0x0000000000400000-0x00000000004CE000-memory.dmp	family_runningrat
behavioral2/memory/1272-229-0x0000000000400000-0x00000000004CE000-memory.dmp	family_runningrat

Runningrat family
runningrat
Xred
Xred is backdoor written in Delphi.
backdoor xred
Xred family
xred

Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\encvbk\Parameters\ServiceDll = "C:\\Program Files (x86)\\240626828.dll"	._cache_blq.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\encvbk\Parameters\ServiceDll = "C:\\Program Files (x86)\\240627593.dll"	._cache_Synaptics.exe

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	blq.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	._cache_blq.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 4 IoCs

pid	Process
2416	._cache_blq.exe
1272	Synaptics.exe
4444	._cache_Synaptics.exe
2856	encvbk.exe

Loads dropped DLL 4 IoCs

pid	Process
2416	._cache_blq.exe
1428	svchost.exe
4444	._cache_Synaptics.exe
2856	encvbk.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	blq.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\encvbk.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\encvbk.exe	svchost.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\240626828.dll	._cache_blq.exe
File created	C:\Program Files (x86)\240627593.dll	._cache_Synaptics.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	blq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	encvbk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_blq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1980	cmd.exe
2524	PING.EXE
2396	cmd.exe
3604	PING.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	blq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2524	PING.EXE
3604	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2416	._cache_blq.exe
2416	._cache_blq.exe
4444	._cache_Synaptics.exe
4444	._cache_Synaptics.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2416	._cache_blq.exe
Token: SeIncBasePriorityPrivilege	4444	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2416	._cache_blq.exe
4444	._cache_Synaptics.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 2416	3124	blq.exe	84
PID 3124 wrote to memory of 2416	3124	blq.exe	84
PID 3124 wrote to memory of 2416	3124	blq.exe	84
PID 3124 wrote to memory of 1272	3124	blq.exe	87
PID 3124 wrote to memory of 1272	3124	blq.exe	87
PID 3124 wrote to memory of 1272	3124	blq.exe	87
PID 2416 wrote to memory of 1980	2416	._cache_blq.exe	88
PID 2416 wrote to memory of 1980	2416	._cache_blq.exe	88
PID 2416 wrote to memory of 1980	2416	._cache_blq.exe	88
PID 1980 wrote to memory of 2524	1980	cmd.exe	90
PID 1980 wrote to memory of 2524	1980	cmd.exe	90
PID 1980 wrote to memory of 2524	1980	cmd.exe	90
PID 1272 wrote to memory of 4444	1272	Synaptics.exe	91
PID 1272 wrote to memory of 4444	1272	Synaptics.exe	91
PID 1272 wrote to memory of 4444	1272	Synaptics.exe	91
PID 4444 wrote to memory of 2396	4444	._cache_Synaptics.exe	92
PID 4444 wrote to memory of 2396	4444	._cache_Synaptics.exe	92
PID 4444 wrote to memory of 2396	4444	._cache_Synaptics.exe	92
PID 2396 wrote to memory of 3604	2396	cmd.exe	94
PID 2396 wrote to memory of 3604	2396	cmd.exe	94
PID 2396 wrote to memory of 3604	2396	cmd.exe	94
PID 1428 wrote to memory of 2856	1428	svchost.exe	95
PID 1428 wrote to memory of 2856	1428	svchost.exe	95
PID 1428 wrote to memory of 2856	1428	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\blq.exe
"C:\Users\Admin\AppData\Local\Temp\blq.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Users\Admin\AppData\Local\Temp\._cache_blq.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_blq.exe"
  2⤵
  - Server Software Component: Terminal Services DLL
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\._cache_blq.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1980
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2524
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Server Software Component: Terminal Services DLL
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4444
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:2396
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 1
        5⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:3604

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "encvbk"
1⤵
PID:116

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "encvbk"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Windows\SysWOW64\encvbk.exe
  C:\Windows\system32\encvbk.exe "c:\program files (x86)\240626828.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\240626828.dll

Filesize
25KB

MD5
0a9a34b7b8be7680123dc29107a3eaac

SHA1
883f19efcea8184b9d01e5aae9455de0b64d71eb

SHA256
c105d6b7304a43bfacf713b09c01e213047ac1e9123c1723e0164cf644cb0f37

SHA512
6002ab855d8c96a43d9880de14a09e4e96d51336b4d0203a1d9470ac9ff1cf4a56faf15c6fe62fffc4b52970d4788eb341125d90641365f89cd6780fdae3ab08

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

Filesize
801KB

MD5
6153a06b74491bacb664bf142b598c69

SHA1
dade36a11a568e3b0b5f3e7fd44b566182702534

SHA256
0b510380e52b3c97e7a2f227eb9ecda6a194885da74fac6630f1eb7d5ee6091f

SHA512
bb1c20ce4b2ae5e3524e1127eca6047ab897da49d8b66e435e8d81f418dc16c7c6345887ae67c9ca7ea0f39d175eedace8dabc74be9db9ea492ca4c489ec4721

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_blq.exe

Filesize
48KB

MD5
2c8e6b45f0113b45f9187b60df114fef

SHA1
7e7b6f59fced74c16bef14f03f19eeecb5d34103

SHA256
476328c1ba85a1df9b0e678b9219dd1d5e529596303896049797683f20ad23e2

SHA512
3a415e14ce61e0dfbdd1064f39b129f11ee1419442c49209e62c90d54d57b4a9ef8544f2108bf562ec9d8c9dd3daa3221a4b670918ba48af68ca439921301337

Download Submit
C:\Windows\SysWOW64\encvbk.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1272-204-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/1272-229-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/3124-0-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/3124-135-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads