42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2

General

Target

42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe
Size

367KB
MD5

792237af452c295939c9697662525590
SHA1

6e4698e23a377f761ffd4f317bf5dbd7373482b2
SHA256

42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2
SHA512

b5623f2d273e8d50c0246f666ef3c804d54c8dd82d2cf07df562a0a0d03493551c9b87c1aee03784ec4f98ad5df26e759e31be74e825cd4992b0fea7eb26ad57
SSDEEP

6144:0RoSgWLkT+YPhLKU301oP0HOi4KETrOED2RWOF/09:vSfLkKShL930iP0ui4KETrO6+W4/09

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

jaqko.exe

pid	Process
2764	jaqko.exe

Executes dropped EXE 2 IoCs

Processes:

jaqko.exepktw.exe

pid	Process
2764	jaqko.exe
2760	pktw.exe

Loads dropped DLL 7 IoCs

Processes:

cmd.exejaqko.exepktw.exe

pid	Process
860	cmd.exe
860	cmd.exe
2764	jaqko.exe
2760	pktw.exe
2760	pktw.exe
2760	pktw.exe
2760	pktw.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

Processes:

pktw.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cache = "c:\\Program Files\\nvkwfy\\pktw.exe \"c:\\Program Files\\nvkwfy\\pktwa.dll\",Cache"	pktw.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:

pktw.exe

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

pktw.exe

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	pktw.exe

Drops file in Program Files directory 4 IoCs

Processes:

jaqko.exe

description	ioc	Process
File opened for modification	\??\c:\Program Files\nvkwfy	jaqko.exe
File created	\??\c:\Program Files\nvkwfy\pktwa.dll	jaqko.exe
File created	\??\c:\Program Files\nvkwfy\pktw.exe	jaqko.exe
File opened for modification	\??\c:\Program Files\nvkwfy\pktw.exe	jaqko.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

Processes:

PING.EXEjaqko.exepktw.exe42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaqko.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pktw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.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

Processes:

cmd.exePING.EXE

pid	Process
860	cmd.exe
3060	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

Processes:

pktw.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
3060	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

pktw.exe

pid	Process
2760	pktw.exe
2760	pktw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

pktw.exe

description	pid	Process
Token: SeDebugPrivilege	2760	pktw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exejaqko.exe

pid	Process
3028	42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe
2764	jaqko.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.execmd.exejaqko.exe

description	pid	Process	procid_target
PID 3028 wrote to memory of 860	3028	42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe	30
PID 3028 wrote to memory of 860	3028	42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe	30
PID 3028 wrote to memory of 860	3028	42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe	30
PID 3028 wrote to memory of 860	3028	42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe	30
PID 860 wrote to memory of 3060	860	cmd.exe	32
PID 860 wrote to memory of 3060	860	cmd.exe	32
PID 860 wrote to memory of 3060	860	cmd.exe	32
PID 860 wrote to memory of 3060	860	cmd.exe	32
PID 860 wrote to memory of 2764	860	cmd.exe	33
PID 860 wrote to memory of 2764	860	cmd.exe	33
PID 860 wrote to memory of 2764	860	cmd.exe	33
PID 860 wrote to memory of 2764	860	cmd.exe	33
PID 2764 wrote to memory of 2760	2764	jaqko.exe	34
PID 2764 wrote to memory of 2760	2764	jaqko.exe	34
PID 2764 wrote to memory of 2760	2764	jaqko.exe	34
PID 2764 wrote to memory of 2760	2764	jaqko.exe	34

C:\Users\Admin\AppData\Local\Temp\42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe
"C:\Users\Admin\AppData\Local\Temp\42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\jaqko.exe "C:\Users\Admin\AppData\Local\Temp\42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:860
- - 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:3060
- - C:\Users\Admin\AppData\Local\Temp\jaqko.exe
    C:\Users\Admin\AppData\Local\Temp\\jaqko.exe "C:\Users\Admin\AppData\Local\Temp\42ba0abd056a21a6952ce7d67c1206c5c0224fc904a1afc1a0c0db3065888cc2N.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - \??\c:\Program Files\nvkwfy\pktw.exe
      "c:\Program Files\nvkwfy\pktw.exe" "c:\Program Files\nvkwfy\pktwa.dll",Cache C:\Users\Admin\AppData\Local\Temp\jaqko.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:2760

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:\Users\Admin\AppData\Local\Temp\jaqko.exe

Filesize
367KB

MD5
287edf06d89e0fd2f4e234c1d1020b6f

SHA1
7ff9e45f190ca9403457505ea893392459590dce

SHA256
bb780fb45cb68bf339827e7ab166b39459ada9bb169b6d6e36fdc471f73dd4ce

SHA512
2abe137e4eb8f9d1b2c6c7e087cc891580545fca2cec1872d5d52f5e953d3bd64ab0553cbe8cb7a7efb720366ef6031c0979bb0474eed48ae6430bc3073e2558

Download Submit
\??\c:\Program Files\nvkwfy\pktwa.dll

Filesize
188KB

MD5
9cc645d4301c335fc711589c7841f711

SHA1
4eb4854d498c5ab2848ec297a5364ea30f089919

SHA256
a690ab2420571c757809dbca98c406cd50f658ff0e5235439752f0c9ee5748ff

SHA512
6296b40628af47da35ee747847591b4cabaaffa7386b39ba893eab7082326fa5e990b0159e38150ceaf63e944ba04c92bd3a2f2512098181560ae344e5006140

Download Submit
\Program Files\nvkwfy\pktw.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/860-7-0x0000000000320000-0x000000000037A000-memory.dmp

Filesize
360KB

Download
memory/2760-21-0x0000000010000000-0x000000001006F000-memory.dmp

Filesize
444KB

Download
memory/2760-22-0x0000000010000000-0x000000001006F000-memory.dmp

Filesize
444KB

Download
memory/2760-24-0x0000000010000000-0x000000001006F000-memory.dmp

Filesize
444KB

Download
memory/2764-14-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/3028-0-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/3028-2-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads