f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0

General

Target
f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe
Size 383KB
Sample241111-fxpldaxkcj
SHA256 f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0
MD5 058cd742dc06570b30abdfafd32d2382
SHA1 bc2a353d93e06053433b0f2d8f7a134d07da4ba5
SHA512 03db11d865e8ad749c1691fcacba6f59640e9eb0f7ea923b4ba91ce5884695c55e95fd838e4d3db0bd951f9c83afd49d65f58d87391e12d0ab673930e45466f0
SSDEEP 6144:zKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6L/:DGmTju+mMC4ITJE8dfSJ/F6z
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
15	3872	rundll32.exe
22	3872	rundll32.exe
23	3872	rundll32.exe
43	3872	rundll32.exe

Deletes itself 1 IoCs

pid	Process
508	acner.exe

Executes dropped EXE 1 IoCs

pid	Process
508	acner.exe

Loads dropped DLL 1 IoCs

pid	Process
3872	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D3D = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\gadlt\\hrpgyqlc.dll\",InitEngine"	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)	\??\k:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\h:	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)	\??\p:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\z:	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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\gadlt	acner.exe
File created	\??\c:\Program Files\gadlt\hrpgyqlc.dll	acner.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acner.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
5080	cmd.exe
5068	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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5068	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3872	rundll32.exe
3872	rundll32.exe
3872	rundll32.exe
3872	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2288	f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe
508	acner.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 5080	2288	f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe	85
PID 2288 wrote to memory of 5080	2288	f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe	85
PID 2288 wrote to memory of 5080	2288	f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe	85
PID 5080 wrote to memory of 5068	5080	cmd.exe	87
PID 5080 wrote to memory of 5068	5080	cmd.exe	87
PID 5080 wrote to memory of 5068	5080	cmd.exe	87
PID 5080 wrote to memory of 508	5080	cmd.exe	89
PID 5080 wrote to memory of 508	5080	cmd.exe	89
PID 5080 wrote to memory of 508	5080	cmd.exe	89
PID 508 wrote to memory of 3872	508	acner.exe	91
PID 508 wrote to memory of 3872	508	acner.exe	91
PID 508 wrote to memory of 3872	508	acner.exe	91

C:\Users\Admin\AppData\Local\Temp\f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe
"C:\Users\Admin\AppData\Local\Temp\f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\acner.exe "C:\Users\Admin\AppData\Local\Temp\f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5080
- - 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:5068
- - C:\Users\Admin\AppData\Local\Temp\acner.exe
    C:\Users\Admin\AppData\Local\Temp\\acner.exe "C:\Users\Admin\AppData\Local\Temp\f95bb8ca39222239ed47f6a95f2903d425fb7b20733f55b9a279203a468f2cd0.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:508
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\gadlt\hrpgyqlc.dll",InitEngine C:\Users\Admin\AppData\Local\Temp\acner.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:3872

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

acner.exe

Path C:\Users\Admin\AppData\Local\Temp\acner.exe
Size 383KB
SHA256 7cec8a92cf23900eccf6a82326acf64df69fa5cec5df661c3d8c90f83d0656e2
MD5 7205322abe1ce7a1f7e9f16cbf1c43d0
SHA1 6b3a1d844906934d1bf152647be6093bd2e55f88
SHA512 26f58b4ab90f05bb0c8fde8a6bdfb7f8f0c7f26f5f6dca1e687fce7620f8a38668d3b13c3cb663e3f440cddb39fad1bc976c2004a9df01c094fafae2ebec52e6
SSDEEP 6144:zKgGmTBBuFIsBMkVuq4nITJJVn0wOa7sNvYfSkk/F6LK:DGmTju+mMC4ITJE8dfSJ/F6u
MD5 SHA1 SHA512 SSDEEP

Submit Download

hrpgyqlc.dll

Path \??\c:\Program Files\gadlt\hrpgyqlc.dll
Size 176KB
SHA256 7d5d7442c085b3cc9f4a30109de6fe5c128e5b80f2d36d68e738475c8895a877
MD5 54f95d150bb500c27cb7803cbceae1ae
SHA1 d042690fe521d8916cb4ccfa0c89de5951a869cd
SHA512 a56834b9dbca00f1b619130cec8e00e2ab88fedd81d38418e56b3bb1839ff3882cfd5f427e79be21d8faea8d7d5780424c4706747a371ada071fea53697a45a7
SSDEEP 3072:KiDJQVl82dm+NBiPAaHDb0gL/CyGbEPVMnY0RVjatbmKb6DWSFoocc:1Jv2tOItshGYdMnYYVjasKbOWSFofc
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3872-7-0x0000000010000000-0x0000000010067000-memory.dmp

Download

memory/3872-8-0x000000001005A000-0x000000001005B000-memory.dmp

Download

memory/3872-9-0x0000000010000000-0x0000000010067000-memory.dmp

Download

memory/3872-11-0x0000000010000000-0x0000000010067000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads