a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1

General

Target

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
Size

155KB
MD5

71cf1076a590403c857ceff745149df5
SHA1

c595f8ab4633d407082080f5d27e8410adad682f
SHA256

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1
SHA512

5ada1bde47fc9ef6103122f690ea0ad5ccb069edc4a7b74b6d83c3c3159f59307ff7396b305b87a840bae121f9c6e50b64494b5d34340f6ca58000e8ff7c2cc2
SSDEEP

3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Score

7^/10

bootkit persistence spyware stealer

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\??\c:\Program Files\imjivel\wtsuz.dll	acprotect

Deletes itself 1 IoCs

Processes:

gcpua.exe

pid process

2128 gcpua.exe
Executes dropped EXE 2 IoCs

Processes:

gcpua.exewts.exe

pid process

2128 gcpua.exe
2320 wts.exe
Loads dropped DLL 7 IoCs

Processes:

cmd.exegcpua.exewts.exe

pid process

1508 cmd.exe
1508 cmd.exe
2128 gcpua.exe
2320 wts.exe
2320 wts.exe
2320 wts.exe
2320 wts.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

pid	process
2128	gcpua.exe

pid	process
2128	gcpua.exe
2320	wts.exe

pid	process
1508	cmd.exe
1508	cmd.exe
2128	gcpua.exe
2320	wts.exe
2320	wts.exe
2320	wts.exe
2320	wts.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wts.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\imjivel\\wts.exe \"c:\\Program Files\\imjivel\\wtsuz.dll\",SetHandle"	wts.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

Processes:

wts.exe

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

Processes:

wts.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 wts.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	wts.exe

Drops file in Program Files directory 4 IoCs

Processes:

gcpua.exe

description	ioc	process
File created	\??\c:\Program Files\imjivel\wtsuz.dll	gcpua.exe
File created	\??\c:\Program Files\imjivel\wts.exe	gcpua.exe
File opened for modification	\??\c:\Program Files\imjivel\wts.exe	gcpua.exe
File opened for modification	\??\c:\Program Files\imjivel	gcpua.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

Processes:

wts.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2092 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

wts.exe

pid process

2320 wts.exe
2320 wts.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wts.exe

description pid process

Token: SeDebugPrivilege 2320 wts.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exegcpua.exe

pid process

1896 a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
2128 gcpua.exe

pid	process
2092	PING.EXE

pid	process
2320	wts.exe
2320	wts.exe

description	pid	process
Token: SeDebugPrivilege	2320	wts.exe

pid	process
1896	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
2128	gcpua.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.execmd.exegcpua.exe

description	pid	process	target process
PID 1896 wrote to memory of 1508	1896	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe	cmd.exe
PID 1896 wrote to memory of 1508	1896	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe	cmd.exe
PID 1896 wrote to memory of 1508	1896	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe	cmd.exe
PID 1896 wrote to memory of 1508	1896	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe	cmd.exe
PID 1508 wrote to memory of 2092	1508	cmd.exe	PING.EXE
PID 1508 wrote to memory of 2092	1508	cmd.exe	PING.EXE
PID 1508 wrote to memory of 2092	1508	cmd.exe	PING.EXE
PID 1508 wrote to memory of 2092	1508	cmd.exe	PING.EXE
PID 1508 wrote to memory of 2128	1508	cmd.exe	gcpua.exe
PID 1508 wrote to memory of 2128	1508	cmd.exe	gcpua.exe
PID 1508 wrote to memory of 2128	1508	cmd.exe	gcpua.exe
PID 1508 wrote to memory of 2128	1508	cmd.exe	gcpua.exe
PID 2128 wrote to memory of 2320	2128	gcpua.exe	wts.exe
PID 2128 wrote to memory of 2320	2128	gcpua.exe	wts.exe
PID 2128 wrote to memory of 2320	2128	gcpua.exe	wts.exe
PID 2128 wrote to memory of 2320	2128	gcpua.exe	wts.exe

C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
"C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\gcpua.exe "C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2092
- - C:\Users\Admin\AppData\Local\Temp\gcpua.exe
    C:\Users\Admin\AppData\Local\Temp\\gcpua.exe "C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - \??\c:\Program Files\imjivel\wts.exe
      "c:\Program Files\imjivel\wts.exe" "c:\Program Files\imjivel\wtsuz.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\gcpua.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:2320

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\gcpua.exe

Filesize
155KB

MD5
da812fe3459920fb6a11967a06d68de1

SHA1
8a5b65e8a1b9c027f23777891746e01d4451f6f7

SHA256
fdcac4c7305ad1fe346baa54b9707c092c4aa7cefa035053da995b075d51bd01

SHA512
ac15010a2e6a66e47e8d8bf0da62197487ff0aabe14b88d061eb153a5232eeb7072ce1a0664a70e9e490c58e1769692700565f76e143cd82f416ae3fa6266de4

Download Submit
\??\c:\Program Files\imjivel\wtsuz.dll

Filesize
128KB

MD5
4b4a4f019b1ae745269eb71f186228f9

SHA1
aec8763acbdf2ee068c8760e128d065d7c5f8013

SHA256
534baf3f7d6d9828fc0847baa273f91a9e7814a657096e8a8929733c4abc1057

SHA512
ff09f997c17fecfd91bd0ddf20c8568d74d026865ae06b8da0528bb53a1449b8dfd441682d4e72631473efc159dce8863ec2015e6c8d65f4645a68f9c863cbb6

Download Submit
\Program Files\imjivel\wts.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1508-7-0x0000000000120000-0x0000000000150000-memory.dmp

Filesize
192KB

Download
memory/1508-8-0x0000000000120000-0x0000000000150000-memory.dmp

Filesize
192KB

Download
memory/1896-2-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/1896-0-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/2128-16-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/2320-24-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2320-25-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2320-21-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2320-26-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2320-30-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2320-31-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads