794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0

General

Target

794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe
Size

396KB
MD5

e9a4ee4501e517a1f0975bbd55737303
SHA1

69ba1b7ba832b0bee2279f8dfcc1a4fd83eefb0f
SHA256

794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0
SHA512

c85ec1da78a38be290134d54b3b3cb53a9a636ed0402d851ab401fe436d5bd92d788fd9aa9151894f17854c609f4542b86e0a20cef97684e2ef9ff3e56e9ec15
SSDEEP

12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumhb:vdE3sJd1fm/+yb3OYg84/JHyb

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3468	onlrk.exe

Executes dropped EXE 2 IoCs

pid	Process
3468	onlrk.exe
3152	djp.exe

Loads dropped DLL 1 IoCs

pid	Process
3152	djp.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\qumuy\\djp.exe \"c:\\Program Files\\qumuy\\djplj.dll\",Viewer"	djp.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)	\??\g:	djp.exe
File opened (read-only)	\??\h:	djp.exe
File opened (read-only)	\??\o:	djp.exe
File opened (read-only)	\??\p:	djp.exe
File opened (read-only)	\??\s:	djp.exe
File opened (read-only)	\??\w:	djp.exe
File opened (read-only)	\??\x:	djp.exe
File opened (read-only)	\??\a:	djp.exe
File opened (read-only)	\??\b:	djp.exe
File opened (read-only)	\??\i:	djp.exe
File opened (read-only)	\??\k:	djp.exe
File opened (read-only)	\??\v:	djp.exe
File opened (read-only)	\??\z:	djp.exe
File opened (read-only)	\??\j:	djp.exe
File opened (read-only)	\??\l:	djp.exe
File opened (read-only)	\??\m:	djp.exe
File opened (read-only)	\??\n:	djp.exe
File opened (read-only)	\??\r:	djp.exe
File opened (read-only)	\??\u:	djp.exe
File opened (read-only)	\??\y:	djp.exe
File opened (read-only)	\??\e:	djp.exe
File opened (read-only)	\??\q:	djp.exe
File opened (read-only)	\??\t:	djp.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	djp.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\qumuy\djp.exe	onlrk.exe
File opened for modification	\??\c:\Program Files\qumuy	onlrk.exe
File created	\??\c:\Program Files\qumuy\djplj.dll	onlrk.exe
File created	\??\c:\Program Files\qumuy\djp.exe	onlrk.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	794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.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	onlrk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	djp.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
3200	cmd.exe
4488	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	djp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	djp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4488	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3152	djp.exe
3152	djp.exe
3152	djp.exe
3152	djp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3152	djp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2608	794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe
3468	onlrk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 3200	2608	794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe	85
PID 2608 wrote to memory of 3200	2608	794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe	85
PID 2608 wrote to memory of 3200	2608	794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe	85
PID 3200 wrote to memory of 4488	3200	cmd.exe	87
PID 3200 wrote to memory of 4488	3200	cmd.exe	87
PID 3200 wrote to memory of 4488	3200	cmd.exe	87
PID 3200 wrote to memory of 3468	3200	cmd.exe	89
PID 3200 wrote to memory of 3468	3200	cmd.exe	89
PID 3200 wrote to memory of 3468	3200	cmd.exe	89
PID 3468 wrote to memory of 3152	3468	onlrk.exe	91
PID 3468 wrote to memory of 3152	3468	onlrk.exe	91
PID 3468 wrote to memory of 3152	3468	onlrk.exe	91

C:\Users\Admin\AppData\Local\Temp\794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe
"C:\Users\Admin\AppData\Local\Temp\794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\onlrk.exe "C:\Users\Admin\AppData\Local\Temp\794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3200
- - 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:4488
- - C:\Users\Admin\AppData\Local\Temp\onlrk.exe
    C:\Users\Admin\AppData\Local\Temp\\onlrk.exe "C:\Users\Admin\AppData\Local\Temp\794c20c8d6f3b427552d69a6203d08d4140bffa4de5848ab6f8fda2aefcb24d0.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:3468
  - - \??\c:\Program Files\qumuy\djp.exe
      "c:\Program Files\qumuy\djp.exe" "c:\Program Files\qumuy\djplj.dll",Viewer C:\Users\Admin\AppData\Local\Temp\onlrk.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:3152

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:\Program Files\qumuy\djp.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Program Files\qumuy\djplj.dll

Filesize
89KB

MD5
a3e333e212309fa2cedf39fc73575f4a

SHA1
b9ef87f608bd42bc6f7ea95c64829118d0afa413

SHA256
a70cdb7118e095c12e405a854d58226a798e54ce121187dc396217ddbf17cd31

SHA512
6bada8d5704d540a34e2f86db446a25de0ab2852a2bf1f213b0ca4cc8391966ed043d15509c65912e38b9e4029f46ec57b765bc0fc4016bd6f944e1bdaff713f

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

Filesize
396KB

MD5
18f2c75b72e57c330479dedb74de5d1e

SHA1
a38cc2468b520ec64520066673e027627a3e4b12

SHA256
829a9076e6c321772dd1db920b268a1367ed37d7efe360e6f512db862be2424f

SHA512
53d74a9928b0df30178ddd69aeb605839591f2a517e925685077e56b7584b36051f9de6417b4cfa80e36872678e989e7d2efc6b1e331c4b90e1ec578c98578d5

Download Submit
memory/3152-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3152-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3152-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3152-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads