08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9

General

Target

08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe
Size

205KB
MD5

551433248e3c7e104b12b1d110bfdf3e
SHA1

4a8bf20434705d0881d2ae8197675afe9d5433c5
SHA256

08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9
SHA512

0a9190270cefc5fa5428ed2befdbd97e625e82ef54e4ca546bf501dc7ab12bb381186733697ac33d608b1b070c50eef0110068da25e47c97a02e17a81015dc07
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1868	elxyy.exe

Executes dropped EXE 2 IoCs

pid	Process
1868	elxyy.exe
4868	gmjr.exe

Loads dropped DLL 1 IoCs

pid	Process
4868	gmjr.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-22591836-1183090055-1220658180-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\xhlskeas\\gmjr.exe \"c:\\Program Files\\xhlskeas\\gmjrm.dll\",Compliance"	gmjr.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)	\??\o:	gmjr.exe
File opened (read-only)	\??\p:	gmjr.exe
File opened (read-only)	\??\r:	gmjr.exe
File opened (read-only)	\??\s:	gmjr.exe
File opened (read-only)	\??\b:	gmjr.exe
File opened (read-only)	\??\i:	gmjr.exe
File opened (read-only)	\??\k:	gmjr.exe
File opened (read-only)	\??\m:	gmjr.exe
File opened (read-only)	\??\y:	gmjr.exe
File opened (read-only)	\??\t:	gmjr.exe
File opened (read-only)	\??\u:	gmjr.exe
File opened (read-only)	\??\v:	gmjr.exe
File opened (read-only)	\??\w:	gmjr.exe
File opened (read-only)	\??\g:	gmjr.exe
File opened (read-only)	\??\j:	gmjr.exe
File opened (read-only)	\??\q:	gmjr.exe
File opened (read-only)	\??\z:	gmjr.exe
File opened (read-only)	\??\e:	gmjr.exe
File opened (read-only)	\??\h:	gmjr.exe
File opened (read-only)	\??\l:	gmjr.exe
File opened (read-only)	\??\x:	gmjr.exe
File opened (read-only)	\??\a:	gmjr.exe
File opened (read-only)	\??\n:	gmjr.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	gmjr.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\xhlskeas	elxyy.exe
File created	\??\c:\Program Files\xhlskeas\gmjrm.dll	elxyy.exe
File created	\??\c:\Program Files\xhlskeas\gmjr.exe	elxyy.exe
File opened for modification	\??\c:\Program Files\xhlskeas\gmjr.exe	elxyy.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	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.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	elxyy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gmjr.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
4752	cmd.exe
1360	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	gmjr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	gmjr.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1360	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4868	gmjr.exe
4868	gmjr.exe
4868	gmjr.exe
4868	gmjr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4868	gmjr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1020	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe
1868	elxyy.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 4752	1020	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe	85
PID 1020 wrote to memory of 4752	1020	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe	85
PID 1020 wrote to memory of 4752	1020	08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe	85
PID 4752 wrote to memory of 1360	4752	cmd.exe	87
PID 4752 wrote to memory of 1360	4752	cmd.exe	87
PID 4752 wrote to memory of 1360	4752	cmd.exe	87
PID 4752 wrote to memory of 1868	4752	cmd.exe	88
PID 4752 wrote to memory of 1868	4752	cmd.exe	88
PID 4752 wrote to memory of 1868	4752	cmd.exe	88
PID 1868 wrote to memory of 4868	1868	elxyy.exe	89
PID 1868 wrote to memory of 4868	1868	elxyy.exe	89
PID 1868 wrote to memory of 4868	1868	elxyy.exe	89

C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe
"C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\elxyy.exe "C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4752
- - 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:1360
- - C:\Users\Admin\AppData\Local\Temp\elxyy.exe
    C:\Users\Admin\AppData\Local\Temp\\elxyy.exe "C:\Users\Admin\AppData\Local\Temp\08c0a35b22a19f49c4a6cbbf4c81a5ecd2558e46a0ad3cda6922c0e70dea7ac9.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:1868
  - - \??\c:\Program Files\xhlskeas\gmjr.exe
      "c:\Program Files\xhlskeas\gmjr.exe" "c:\Program Files\xhlskeas\gmjrm.dll",Compliance C:\Users\Admin\AppData\Local\Temp\elxyy.exe
      4⤵
      Executes dropped EXE
      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:4868

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\xhlskeas\gmjr.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
205KB

MD5
4d15d8a90f8648d0bb746746412323f8

SHA1
08bdcf9dbf7855e366b26fad5c8ba2c3ef7f091e

SHA256
20cdc0f71e5d55a211a54da9d680dbcf5f405a5b19af22f29e047a2625ffae86

SHA512
3acf02f768693fdfb6c18a7e81c0c7cc077bc37ce1dead2cb58482374bf5d0597b2217f036d5e78e9804254a239eba100c327d4bf9c871d675049881a797d14b

Download Submit
\??\c:\Program Files\xhlskeas\gmjrm.dll

Filesize
141KB

MD5
40487a21302dd21de3a034d4a947a71c

SHA1
af586492f71ab0abbb46ef770d0f79745dc8bd2a

SHA256
43cec82684b19546f511b9930bfcb28aaa6880cf8ca4def164f0d61c638e3dc1

SHA512
2f7af16c2b4fbdecce4ae330756aed0bf19ce1ac53a1ed3cd9402a82e80020737dac415b386b294ea5e23fa2b84a745ca57cecf2b775314733809d0134d880a0

Download Submit
memory/1020-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1020-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1020-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1020-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1868-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1868-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/1868-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/4868-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4868-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4868-22-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/4868-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads