a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087

General

Target

a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe
Size

152KB
MD5

0c6e74d6876e26c6c6e1feda3a5c7b4b
SHA1

00e4d30063d5b50d905e99fd2afd89099af1910a
SHA256

a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087
SHA512

7358980aba81afe241f029ec298a64039761b65c62329c1f9719c311c5fe63cd6b3960e635f7e12dbf130fd6b810f78f2f7152cb4cb415f254938ea7b036d49f
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\tagplai\mwrha.dll	acprotect

Deletes itself 1 IoCs

Processes:

gmzblq.exe

pid process

3640 gmzblq.exe
Executes dropped EXE 2 IoCs

Processes:

gmzblq.exemwrha.exe

pid process

3640 gmzblq.exe
2772 mwrha.exe
Loads dropped DLL 1 IoCs

Processes:

mwrha.exe

pid process

2772 mwrha.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
3640	gmzblq.exe

pid	process
3640	gmzblq.exe
2772	mwrha.exe

pid	process
2772	mwrha.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mwrha.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\tagplai\\mwrha.exe \"c:\\Program Files\\tagplai\\mwrha.dll\",SetHandle"	mwrha.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:

mwrha.exe

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

mwrha.exe

description ioc process

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

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

Drops file in Program Files directory 4 IoCs

Processes:

gmzblq.exe

description	ioc	process
File created	\??\c:\Program Files\tagplai\mwrha.dll	gmzblq.exe
File created	\??\c:\Program Files\tagplai\mwrha.exe	gmzblq.exe
File opened for modification	\??\c:\Program Files\tagplai\mwrha.exe	gmzblq.exe
File opened for modification	\??\c:\Program Files\tagplai	gmzblq.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:

mwrha.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2208 PING.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

mwrha.exe

pid process

2772 mwrha.exe
2772 mwrha.exe
2772 mwrha.exe
2772 mwrha.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

mwrha.exe

description pid process

Token: SeDebugPrivilege 2772 mwrha.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exegmzblq.exe

pid process

3952 a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe
3640 gmzblq.exe

pid	process
2208	PING.EXE

pid	process
2772	mwrha.exe
2772	mwrha.exe
2772	mwrha.exe
2772	mwrha.exe

description	pid	process
Token: SeDebugPrivilege	2772	mwrha.exe

pid	process
3952	a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe
3640	gmzblq.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.execmd.exegmzblq.exe

description	pid	process	target process
PID 3952 wrote to memory of 3036	3952	a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe	cmd.exe
PID 3952 wrote to memory of 3036	3952	a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe	cmd.exe
PID 3952 wrote to memory of 3036	3952	a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe	cmd.exe
PID 3036 wrote to memory of 2208	3036	cmd.exe	PING.EXE
PID 3036 wrote to memory of 2208	3036	cmd.exe	PING.EXE
PID 3036 wrote to memory of 2208	3036	cmd.exe	PING.EXE
PID 3036 wrote to memory of 3640	3036	cmd.exe	gmzblq.exe
PID 3036 wrote to memory of 3640	3036	cmd.exe	gmzblq.exe
PID 3036 wrote to memory of 3640	3036	cmd.exe	gmzblq.exe
PID 3640 wrote to memory of 2772	3640	gmzblq.exe	mwrha.exe
PID 3640 wrote to memory of 2772	3640	gmzblq.exe	mwrha.exe
PID 3640 wrote to memory of 2772	3640	gmzblq.exe	mwrha.exe

C:\Users\Admin\AppData\Local\Temp\a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe
"C:\Users\Admin\AppData\Local\Temp\a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\gmzblq.exe "C:\Users\Admin\AppData\Local\Temp\a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2208
- - C:\Users\Admin\AppData\Local\Temp\gmzblq.exe
    C:\Users\Admin\AppData\Local\Temp\\gmzblq.exe "C:\Users\Admin\AppData\Local\Temp\a40a0e0e802a3eca6f60f8dc6c438c147c9be6966b05024d8fced74c64b22087.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3640
  - - \??\c:\Program Files\tagplai\mwrha.exe
      "c:\Program Files\tagplai\mwrha.exe" "c:\Program Files\tagplai\mwrha.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\gmzblq.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:2772

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\tagplai\mwrha.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
152KB

MD5
2cc69d050b20bc219afe20bdf3f3101d

SHA1
3752586662dae8013a160963fcf93565cda662a3

SHA256
19018a96275dfc1d2e6f6e7d87ce51e4bcef3901cf58a8cd9e80fe1f542b34b7

SHA512
56dad65057b55d3dcbef168707d23c8e4594b974751f30ee7b38b5b367eb044d91bf29f8a2097c867eaae5c30eb35c133198a0c629308532ee25d8ea32e572b3

Download Submit
\??\c:\Program Files\tagplai\mwrha.dll

Filesize
128KB

MD5
b92333bc8f74be0c826c0a84e7b7b6eb

SHA1
9a6564a86ddd4f6a4bf8d0a32f0b4a9c2673a9f9

SHA256
34d97d1d573c2e021b55d5053ef9ff4fe814aa6a69b2dc27074f2a315ab6651b

SHA512
0372f67fec801579e9143f5adb2517751bc2e2ac293db6e0d07550071dc935a659ba972e9ce9add00d6b6f917be4a789f6b2efa74cb82fc0464fbde2cb4d0b19

Download Submit
memory/2772-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2772-16-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2772-18-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2772-20-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3640-6-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/3640-11-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/3952-0-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/3952-2-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads