9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4a

General

Target

9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe
Size

122KB
MD5

5a9c62c5181a9fb41806e5572fd04470
SHA1

edec004949a59f639d4aa7db8ebb0e0ad05c4270
SHA256

9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4a
SHA512

eca35762d4d45aa9a6fb189f113c6b6e8f4344032b3310e85ee1cf363bdae10c724ff4462c38631edf0b411c6448dacd59452e1423c74a3ab5f47a1ceb935451
SSDEEP

1536:aJUGCqveEeXdTeG4wu6oQuwEhQQWKXJR721rSTdk/cpAKdlaKrorkgA55iIJ:aHFveEyTAK7VKXXS1GT7AKzaKrtP55iW

Score

8^/10

aspackv2 bootkit discovery persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 9 IoCs

flow	pid	Process
4	2680	rundll32.exe
5	2680	rundll32.exe
6	2680	rundll32.exe
7	2680	rundll32.exe
8	2680	rundll32.exe
9	2680	rundll32.exe
10	2680	rundll32.exe
11	2680	rundll32.exe
13	2680	rundll32.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000a0000000173c2-9.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
1812	gdszb.exe

Executes dropped EXE 1 IoCs

pid	Process
1812	gdszb.exe

Loads dropped DLL 4 IoCs

pid	Process
2680	rundll32.exe
2680	rundll32.exe
2680	rundll32.exe
2680	rundll32.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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\lbuzc\\nbsao.dll\",AbortProc"	rundll32.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)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\y:	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

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.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	gdszb.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
3032	cmd.exe
3044	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3044	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2680	rundll32.exe
2680	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
696	9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe
1812	gdszb.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 3032	696	9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe	31
PID 696 wrote to memory of 3032	696	9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe	31
PID 696 wrote to memory of 3032	696	9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe	31
PID 696 wrote to memory of 3032	696	9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe	31
PID 3032 wrote to memory of 3044	3032	cmd.exe	33
PID 3032 wrote to memory of 3044	3032	cmd.exe	33
PID 3032 wrote to memory of 3044	3032	cmd.exe	33
PID 3032 wrote to memory of 3044	3032	cmd.exe	33
PID 3032 wrote to memory of 1812	3032	cmd.exe	34
PID 3032 wrote to memory of 1812	3032	cmd.exe	34
PID 3032 wrote to memory of 1812	3032	cmd.exe	34
PID 3032 wrote to memory of 1812	3032	cmd.exe	34
PID 1812 wrote to memory of 2680	1812	gdszb.exe	35
PID 1812 wrote to memory of 2680	1812	gdszb.exe	35
PID 1812 wrote to memory of 2680	1812	gdszb.exe	35
PID 1812 wrote to memory of 2680	1812	gdszb.exe	35
PID 1812 wrote to memory of 2680	1812	gdszb.exe	35
PID 1812 wrote to memory of 2680	1812	gdszb.exe	35
PID 1812 wrote to memory of 2680	1812	gdszb.exe	35

C:\Users\Admin\AppData\Local\Temp\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe
"C:\Users\Admin\AppData\Local\Temp\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:696
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\gdszb.exe "C:\Users\Admin\AppData\Local\Temp\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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:3044
- - \??\c:\gdszb.exe
    c:\gdszb.exe "C:\Users\Admin\AppData\Local\Temp\9930a750181aa91cb7a336e9bca621023517f03c81307eb24423847dc2349a4aN.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1812
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\lbuzc\nbsao.dll",AbortProc c:\gdszb.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)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2680

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

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Downloads

\??\c:\gdszb.exe

Filesize
122KB

MD5
2b0b79050588ec1f885be01c63fe6b49

SHA1
f82722bfa4c276732a3663d7bf375b6298e7068e

SHA256
f2df9dab8cd9454720c5fa83c682e60afe0522632298904e04bd1936ab8eb09a

SHA512
1e332132200a807cc1a9ee8eb09087752b71077eea59ea82e740566d1a78cad434fb51bd07678b8d9f2928ad80ec89b9218733008090c41d9d2503f1bf383cf2

Download Submit
\??\c:\lbuzc\nbsao.dll

Filesize
87KB

MD5
a2c2137ff7abf6be6bcae4252c394a69

SHA1
07b402104df563f9486c2eef975fee70f65a5145

SHA256
37ab4b7ee8f6b61c3854af4ed4676fd0d69f0260fb1296ad75e57aa08e1eeb03

SHA512
5d05ed7c55bee8f41502acaea3d41fcf4421ad641d43f0b97b4cdc8fe584983da7712c561a53b708e88391df7929914746115700ae733155418693bcec6989a9

Download Submit
memory/696-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/696-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1812-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2680-19-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2680-14-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2680-15-0x0000000010033000-0x0000000010034000-memory.dmp

Filesize
4KB

Download
memory/2680-16-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2680-18-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2680-17-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2680-20-0x0000000010033000-0x0000000010034000-memory.dmp

Filesize
4KB

Download
memory/2680-24-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2680-25-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/2680-26-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/3032-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3032-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads