c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5

General

Target

c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe
Size

408KB
MD5

720cba07a7923c7462732a8c100408c4
SHA1

b8bdea7d977fd34b63d9b531d4231d891e386f60
SHA256

c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5
SHA512

72a9e4a6276cf992b9bd0deb48196574a39b0495cac8f72f6db70cb1bccf13d99f227966ec1cc5d698c1921768426b872d87e423bc9ef806436721d05fe3f030
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4g:gtRfJcNYFNm8UhlZGseg

Score

8^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
3	2844	rundll32.exe
7	2844	rundll32.exe
8	2844	rundll32.exe
9	2844	rundll32.exe
10	2844	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2740	oivnrjzhj.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	oivnrjzhj.exe

Loads dropped DLL 6 IoCs

pid	Process
1696	cmd.exe
1696	cmd.exe
2844	rundll32.exe
2844	rundll32.exe
2844	rundll32.exe
2844	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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\vppsu\\thpow.dll\",Verify"	rundll32.exe

Enumerates connected drives 3 TTPs 2 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)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2844	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\vppsu	oivnrjzhj.exe
File created	\??\c:\Program Files\vppsu\thpow.dll	oivnrjzhj.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	c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oivnrjzhj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
1696	cmd.exe
2268	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2268	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2844	rundll32.exe
2844	rundll32.exe
2844	rundll32.exe
2844	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1944	c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe
2740	oivnrjzhj.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1696	1944	c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe	29
PID 1944 wrote to memory of 1696	1944	c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe	29
PID 1944 wrote to memory of 1696	1944	c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe	29
PID 1944 wrote to memory of 1696	1944	c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe	29
PID 1696 wrote to memory of 2268	1696	cmd.exe	31
PID 1696 wrote to memory of 2268	1696	cmd.exe	31
PID 1696 wrote to memory of 2268	1696	cmd.exe	31
PID 1696 wrote to memory of 2268	1696	cmd.exe	31
PID 1696 wrote to memory of 2740	1696	cmd.exe	32
PID 1696 wrote to memory of 2740	1696	cmd.exe	32
PID 1696 wrote to memory of 2740	1696	cmd.exe	32
PID 1696 wrote to memory of 2740	1696	cmd.exe	32
PID 2740 wrote to memory of 2844	2740	oivnrjzhj.exe	33
PID 2740 wrote to memory of 2844	2740	oivnrjzhj.exe	33
PID 2740 wrote to memory of 2844	2740	oivnrjzhj.exe	33
PID 2740 wrote to memory of 2844	2740	oivnrjzhj.exe	33
PID 2740 wrote to memory of 2844	2740	oivnrjzhj.exe	33
PID 2740 wrote to memory of 2844	2740	oivnrjzhj.exe	33
PID 2740 wrote to memory of 2844	2740	oivnrjzhj.exe	33

C:\Users\Admin\AppData\Local\Temp\c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe
"C:\Users\Admin\AppData\Local\Temp\c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oivnrjzhj.exe "C:\Users\Admin\AppData\Local\Temp\c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1696
- - 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:2268
- - C:\Users\Admin\AppData\Local\Temp\oivnrjzhj.exe
    C:\Users\Admin\AppData\Local\Temp\\oivnrjzhj.exe "C:\Users\Admin\AppData\Local\Temp\c0970a7ba4c8a986c168aecce3514561ebb6d97672631642b4f44c11a42a4fa5.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\vppsu\thpow.dll",Verify C:\Users\Admin\AppData\Local\Temp\oivnrjzhj.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)
      Suspicious use of NtSetInformationThreadHideFromDebugger
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2844

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

1

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:\Program Files\vppsu\thpow.dll

Filesize
228KB

MD5
fb2c65e56fd3654e8907f1c1b06220b7

SHA1
fb428a2f43bd236e7d3e0386af6ab459b8eee39d

SHA256
e39af235377f8badd5b8264264f0b1996f061903bbce30a7c8983a4e071240d5

SHA512
cbd1e86459a6d22f5c3c9e4990e4db2f534ba62cb5f67d7b282bd508115075ded35ee89af309f327dd2b5eae3060591525eb85920a753acaf974fbebf6f85b82

Download Submit
\Users\Admin\AppData\Local\Temp\oivnrjzhj.exe

Filesize
408KB

MD5
6b3893c4025043f1558f585ab1fd9501

SHA1
915244608aaa2284c9d3fb5ee66f32090d01b274

SHA256
33a02e9ebddd752d65b4ae1d829ba653b3470c5758a874f9e8a02a2af4ae1e9b

SHA512
40b7e02238d13687b14b4dfec1759bee30854f067bce5dfbbebb247386b32030bd360bd7c010a84f7f4b3af5e048504694e05a67b959b27ed4f5507afe93bdc0

Download Submit
memory/1696-5-0x0000000001F60000-0x0000000001FC4000-memory.dmp

Filesize
400KB

Download
memory/1944-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1944-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2740-8-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2740-10-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2844-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2844-16-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2844-18-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2844-20-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads