9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b

General

Target

9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe
Size

158KB
MD5

290bb12c54b7b16fcdbd912dfaf9febb
SHA1

17eb8bb3232013bc561e5f92e5f215f3e14cb8b3
SHA256

9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b
SHA512

7dc888b6ce1b98aed0134f339a1043db116573e9f3e6c79ec124779abea88ebd123e63f6537ac03bd96ad9848660e34411a620b099d5b48225ace713d8542a5c
SSDEEP

3072:DK4RNx6gb4RoIwZpx10ZENfrGSQ7sDU/ySkNAq:Dl6exiZuKoDkySkNA

Score

8^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	2968	rundll32.exe
6	2968	rundll32.exe
8	2968	rundll32.exe
10	2968	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2744	rixga.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	rixga.exe

Loads dropped DLL 4 IoCs

pid	Process
2968	rundll32.exe
2968	rundll32.exe
2968	rundll32.exe
2968	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\dhoxy\\gpxzz.dll\",init"	rundll32.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

description	ioc	Process
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	rixga.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.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 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2756	cmd.exe
2712	PING.EXE

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2712	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2968	rundll32.exe
2968	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2760	9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe
2744	rixga.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2756	2760	9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe	30
PID 2760 wrote to memory of 2756	2760	9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe	30
PID 2760 wrote to memory of 2756	2760	9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe	30
PID 2760 wrote to memory of 2756	2760	9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe	30
PID 2756 wrote to memory of 2712	2756	cmd.exe	32
PID 2756 wrote to memory of 2712	2756	cmd.exe	32
PID 2756 wrote to memory of 2712	2756	cmd.exe	32
PID 2756 wrote to memory of 2712	2756	cmd.exe	32
PID 2756 wrote to memory of 2744	2756	cmd.exe	33
PID 2756 wrote to memory of 2744	2756	cmd.exe	33
PID 2756 wrote to memory of 2744	2756	cmd.exe	33
PID 2756 wrote to memory of 2744	2756	cmd.exe	33
PID 2744 wrote to memory of 2968	2744	rixga.exe	34
PID 2744 wrote to memory of 2968	2744	rixga.exe	34
PID 2744 wrote to memory of 2968	2744	rixga.exe	34
PID 2744 wrote to memory of 2968	2744	rixga.exe	34
PID 2744 wrote to memory of 2968	2744	rixga.exe	34
PID 2744 wrote to memory of 2968	2744	rixga.exe	34
PID 2744 wrote to memory of 2968	2744	rixga.exe	34

C:\Users\Admin\AppData\Local\Temp\9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe
"C:\Users\Admin\AppData\Local\Temp\9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\rixga.exe "C:\Users\Admin\AppData\Local\Temp\9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2712
- - \??\c:\rixga.exe
    c:\rixga.exe "C:\Users\Admin\AppData\Local\Temp\9b897337fe250b83a3a2b314244ef09b4fb3d903c942b40cabae18a1edadb92b.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\dhoxy\gpxzz.dll",init c:\rixga.exe
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2968

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

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

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\dhoxy\gpxzz.dll

Filesize
42KB

MD5
36e3fb5964d663272cf1169e1e1ca478

SHA1
58115e08b49505bcbbb5c88a28a86222ba18d5d4

SHA256
c7c41689de030df0f78f471422fa2a6383b36e77c94e7f6f124a96feb3e27ed7

SHA512
daff53b11aa400437a06287707a334a09661c1ef7d0fd8beaf1a874c79c16fe45bd1188343d0623e839d3ead5ea2dd90896e37ccf3b252c7220c74989a9ba442

Download Submit
\??\c:\rixga.exe

Filesize
158KB

MD5
9e00eb6470a67d387248aff4be78397b

SHA1
37ebb9966cb7428f89373f0233876cbb9e61d338

SHA256
69f27058a4a5fbbecf78e819f1a898a9f2049d53babac0636ebfa3537ae50f2d

SHA512
5ef177390229581108194463d43f298ee7b7e49efd782a6edd971e01c7c677c81f81e2b4698bd9ce7cc0ca318ac9b2b6ecf1487abc3fcdfadac2de5d3514aebd

Download Submit
memory/2744-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2756-5-0x00000000001A0000-0x00000000001C6000-memory.dmp

Filesize
152KB

Download
memory/2760-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2760-2-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2968-15-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2968-14-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2968-13-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2968-16-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2968-17-0x0000000010021000-0x0000000010022000-memory.dmp

Filesize
4KB

Download
memory/2968-18-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2968-19-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2968-20-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads