ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3

General

Target

ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe
Size

195KB
MD5

099ea245ba6beba9b920930e7cbaa1a6
SHA1

c1be5ee23e7cef4861ac4a93703f6fbcefde6688
SHA256

ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3
SHA512

9b44dbf01a57ae05a077049d357ce965d7ce61808171975b3d18b3665a9de244f11d4707a6a90b43d184895746a760dbc4233d82305f419c5c618aec91a3d863
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1648	unyvi.exe

Executes dropped EXE 2 IoCs

pid	Process
1648	unyvi.exe
2596	wox.exe

Loads dropped DLL 1 IoCs

pid	Process
2596	wox.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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\koxwh\\wox.exe \"c:\\Program Files\\koxwh\\woxap.dll\",Compliance"	wox.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)	\??\k:	wox.exe
File opened (read-only)	\??\l:	wox.exe
File opened (read-only)	\??\m:	wox.exe
File opened (read-only)	\??\p:	wox.exe
File opened (read-only)	\??\b:	wox.exe
File opened (read-only)	\??\h:	wox.exe
File opened (read-only)	\??\i:	wox.exe
File opened (read-only)	\??\j:	wox.exe
File opened (read-only)	\??\n:	wox.exe
File opened (read-only)	\??\r:	wox.exe
File opened (read-only)	\??\s:	wox.exe
File opened (read-only)	\??\w:	wox.exe
File opened (read-only)	\??\a:	wox.exe
File opened (read-only)	\??\z:	wox.exe
File opened (read-only)	\??\x:	wox.exe
File opened (read-only)	\??\u:	wox.exe
File opened (read-only)	\??\y:	wox.exe
File opened (read-only)	\??\o:	wox.exe
File opened (read-only)	\??\g:	wox.exe
File opened (read-only)	\??\q:	wox.exe
File opened (read-only)	\??\t:	wox.exe
File opened (read-only)	\??\v:	wox.exe
File opened (read-only)	\??\e:	wox.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	wox.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\koxwh	unyvi.exe
File created	\??\c:\Program Files\koxwh\woxap.dll	unyvi.exe
File created	\??\c:\Program Files\koxwh\wox.exe	unyvi.exe
File opened for modification	\??\c:\Program Files\koxwh\wox.exe	unyvi.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	wox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1496	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2596	wox.exe
2596	wox.exe
2596	wox.exe
2596	wox.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	wox.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
912	ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe
1648	unyvi.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 2600	912	ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe	88
PID 912 wrote to memory of 2600	912	ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe	88
PID 912 wrote to memory of 2600	912	ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe	88
PID 2600 wrote to memory of 1496	2600	cmd.exe	90
PID 2600 wrote to memory of 1496	2600	cmd.exe	90
PID 2600 wrote to memory of 1496	2600	cmd.exe	90
PID 2600 wrote to memory of 1648	2600	cmd.exe	93
PID 2600 wrote to memory of 1648	2600	cmd.exe	93
PID 2600 wrote to memory of 1648	2600	cmd.exe	93
PID 1648 wrote to memory of 2596	1648	unyvi.exe	94
PID 1648 wrote to memory of 2596	1648	unyvi.exe	94
PID 1648 wrote to memory of 2596	1648	unyvi.exe	94

C:\Users\Admin\AppData\Local\Temp\ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe
"C:\Users\Admin\AppData\Local\Temp\ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:912
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\unyvi.exe "C:\Users\Admin\AppData\Local\Temp\ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:1496
- - C:\Users\Admin\AppData\Local\Temp\unyvi.exe
    C:\Users\Admin\AppData\Local\Temp\\unyvi.exe "C:\Users\Admin\AppData\Local\Temp\ceb35166e3c3904eb1fba0d71a23a38ac1fbbb1761447b3af8ff325897727df3.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1648
  - - \??\c:\Program Files\koxwh\wox.exe
      "c:\Program Files\koxwh\wox.exe" "c:\Program Files\koxwh\woxap.dll",Compliance C:\Users\Admin\AppData\Local\Temp\unyvi.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2596

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

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\koxwh\wox.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Program Files\koxwh\woxap.dll

Filesize
141KB

MD5
02d7a5c5e422051d11d2ef4413d0535e

SHA1
848157cef10329d3f10dc95fbeed1c122210be86

SHA256
01b70943ce9409cee4de63eea3eb0c4cca8514a63161fcd80b1c6f50d1454ce7

SHA512
5807eae3b340718eadc8c3fe475822528018b2709ebc7179170d35ede4ec32ee0ac9777ec1d617dfd1e207672e3effb0a408c6c19bcb21beefbbe7c63e8a08b5

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

Filesize
195KB

MD5
d8b18cac61fd2d33d49c50490c8a76c0

SHA1
c3b6fcfe0e0f017514c4211b3d0b778b709ab20c

SHA256
d599fbec89ce576b44933d128e2438c3bfb59e6f1e32986227419af54276acb5

SHA512
4785ec1d1bfdf2834c64fd16b957b7b0121cc51e39b0574dcd88bd5c6e6d292dac2fdfc94e825872ac410465241387b7539f7f6d690809faf5ac26e70fdeb38a

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

Filesize
195KB

MD5
d8b18cac61fd2d33d49c50490c8a76c0

SHA1
c3b6fcfe0e0f017514c4211b3d0b778b709ab20c

SHA256
d599fbec89ce576b44933d128e2438c3bfb59e6f1e32986227419af54276acb5

SHA512
4785ec1d1bfdf2834c64fd16b957b7b0121cc51e39b0574dcd88bd5c6e6d292dac2fdfc94e825872ac410465241387b7539f7f6d690809faf5ac26e70fdeb38a

Download Submit
\??\c:\Program Files\koxwh\wox.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
\??\c:\Program Files\koxwh\woxap.dll

Filesize
141KB

MD5
02d7a5c5e422051d11d2ef4413d0535e

SHA1
848157cef10329d3f10dc95fbeed1c122210be86

SHA256
01b70943ce9409cee4de63eea3eb0c4cca8514a63161fcd80b1c6f50d1454ce7

SHA512
5807eae3b340718eadc8c3fe475822528018b2709ebc7179170d35ede4ec32ee0ac9777ec1d617dfd1e207672e3effb0a408c6c19bcb21beefbbe7c63e8a08b5

Download Submit
memory/912-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/912-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/912-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/912-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1648-13-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1648-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1648-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2596-18-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2596-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2596-21-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2596-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads