245faaabd7812cb9882bb041d40c919b7d1103c61ad613a423d8cb15450ab647

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 01:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

97266e9d304fa082545c218e06842f80_NEIKI.exe
Size

172KB
MD5

97266e9d304fa082545c218e06842f80
SHA1

1b8b1f8c3abbb79bce4ceabe986e5022419d8873
SHA256

245faaabd7812cb9882bb041d40c919b7d1103c61ad613a423d8cb15450ab647
SHA512

958fe6282fe1b983c57b27543148525b13b30d28350a2f3b9ad1f80655640d9e117413056a94ec1806505e3c9586e373b47702fc4f5bb2c3d0ccd49a62bfc106
SSDEEP

3072:KQiLXjUfg0zJLt2cuNdayW29M28tQcZ+IIfbGjd7muUNiqL0fh:9irjUJzJLtXY8m9MFLojGx7muUNiqL0f

Score

8^/10

evasion persistence

Malware Config

Signatures

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2740	attrib.exe
3000	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2612	$77Runtimebrokerr.exe

Loads dropped DLL 1 IoCs

pid	Process
2712	cmd.exe

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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\cumshot\\$77Runtimebrokerr.exe\""	97266e9d304fa082545c218e06842f80_NEIKI.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2976	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2584	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1940	97266e9d304fa082545c218e06842f80_NEIKI.exe
1940	97266e9d304fa082545c218e06842f80_NEIKI.exe
1940	97266e9d304fa082545c218e06842f80_NEIKI.exe
2516	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe
Token: SeDebugPrivilege	2612	$77Runtimebrokerr.exe
Token: SeDebugPrivilege	2516	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2740	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	28
PID 1940 wrote to memory of 2740	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	28
PID 1940 wrote to memory of 2740	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	28
PID 1940 wrote to memory of 3000	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	30
PID 1940 wrote to memory of 3000	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	30
PID 1940 wrote to memory of 3000	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	30
PID 1940 wrote to memory of 2712	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	32
PID 1940 wrote to memory of 2712	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	32
PID 1940 wrote to memory of 2712	1940	97266e9d304fa082545c218e06842f80_NEIKI.exe	32
PID 2712 wrote to memory of 2584	2712	cmd.exe	34
PID 2712 wrote to memory of 2584	2712	cmd.exe	34
PID 2712 wrote to memory of 2584	2712	cmd.exe	34
PID 2712 wrote to memory of 2612	2712	cmd.exe	35
PID 2712 wrote to memory of 2612	2712	cmd.exe	35
PID 2712 wrote to memory of 2612	2712	cmd.exe	35
PID 2612 wrote to memory of 2524	2612	$77Runtimebrokerr.exe	36
PID 2612 wrote to memory of 2524	2612	$77Runtimebrokerr.exe	36
PID 2612 wrote to memory of 2524	2612	$77Runtimebrokerr.exe	36
PID 2612 wrote to memory of 2976	2612	$77Runtimebrokerr.exe	38
PID 2612 wrote to memory of 2976	2612	$77Runtimebrokerr.exe	38
PID 2612 wrote to memory of 2976	2612	$77Runtimebrokerr.exe	38
PID 2612 wrote to memory of 2108	2612	$77Runtimebrokerr.exe	40
PID 2612 wrote to memory of 2108	2612	$77Runtimebrokerr.exe	40
PID 2612 wrote to memory of 2108	2612	$77Runtimebrokerr.exe	40
PID 2612 wrote to memory of 2516	2612	$77Runtimebrokerr.exe	42
PID 2612 wrote to memory of 2516	2612	$77Runtimebrokerr.exe	42
PID 2612 wrote to memory of 2516	2612	$77Runtimebrokerr.exe	42

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2740	attrib.exe
3000	attrib.exe

C:\Users\Admin\AppData\Local\Temp\97266e9d304fa082545c218e06842f80_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\97266e9d304fa082545c218e06842f80_NEIKI.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\cumshot"
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:2740
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\cumshot\$77Runtimebrokerr.exe"
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:3000
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp61FE.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2584
- - C:\Users\Admin\AppData\Roaming\cumshot\$77Runtimebrokerr.exe
    "C:\Users\Admin\AppData\Roaming\cumshot\$77Runtimebrokerr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2612
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /query /TN $77Runtimebrokerr.exe
      4⤵
      PID:2524
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /Create /SC ONCE /TN "$77Runtimebrokerr.exe" /TR "C:\Users\Admin\AppData\Roaming\cumshot\$77Runtimebrokerr.exe \"\$77Runtimebrokerr.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST
      4⤵
      Creates scheduled task(s)
      PID:2976
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /query /TN $77Runtimebrokerr.exe
      4⤵
      PID:2108
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp61FE.tmp.bat

Filesize
169B

MD5
6907cedb6c3d52204c6615d5c0651785

SHA1
ff570d357cdc0dc7b485de88576772a34f697766

SHA256
65cefbe700c6d8c124e6cdfd4056a165ab5da62bfa393b1641ab2edacc1d54cc

SHA512
ec7f9749a9a4bcf94d489343bb0d2442f6c4aab3fb4a40a8ed0496fed2c075d4018eb7fb87e4a0b0a96885b687c6f7b694939b8e2d6a22b616067ae5521afa64

Download Submit
C:\Users\Admin\AppData\Roaming\cumshot\$77Runtimebrokerr.exe

Filesize
172KB

MD5
97266e9d304fa082545c218e06842f80

SHA1
1b8b1f8c3abbb79bce4ceabe986e5022419d8873

SHA256
245faaabd7812cb9882bb041d40c919b7d1103c61ad613a423d8cb15450ab647

SHA512
958fe6282fe1b983c57b27543148525b13b30d28350a2f3b9ad1f80655640d9e117413056a94ec1806505e3c9586e373b47702fc4f5bb2c3d0ccd49a62bfc106

Download Submit
memory/1940-0-0x000007FEF51D3000-0x000007FEF51D4000-memory.dmp

Filesize
4KB

Download
memory/1940-1-0x000000013F4D0000-0x000000013F500000-memory.dmp

Filesize
192KB

Download
memory/1940-2-0x0000000000540000-0x000000000056E000-memory.dmp

Filesize
184KB

Download
memory/1940-3-0x000007FEF51D0000-0x000007FEF5BBC000-memory.dmp

Filesize
9.9MB

Download
memory/1940-13-0x000007FEF51D0000-0x000007FEF5BBC000-memory.dmp

Filesize
9.9MB

Download
memory/2516-22-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2516-21-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/2612-16-0x000000013FD80000-0x000000013FDB0000-memory.dmp

Filesize
192KB

Download