dc8f61ffb998cd0655ec9ded6183b0d4db9548722d5ffa2ced71b6fb251c5bd2

Analysis

max time kernel
2s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 14:35

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General

Target

75fec76e56944264d7dafd729caa69d0.exe
Size

433KB
MD5

75fec76e56944264d7dafd729caa69d0
SHA1

0111407ec55b8fe06645f701c9538eccc402e767
SHA256

dc8f61ffb998cd0655ec9ded6183b0d4db9548722d5ffa2ced71b6fb251c5bd2
SHA512

85ddad170ef71a5a9f4c5e07879f96043532cc53503f5b701288cf64401119f7e31dbac7e97d663b6f39700abd3fd5f8dbc803fe1b09f17af81ecf32fc184213
SSDEEP

12288:njkArEN249AyE/rbaMct4bO2/bY4B+XxBZV4l6L/V03EWWI97:EFE//Tct4bOsQhnVa6DV0UA7

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/972-0-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral2/memory/972-3-0x0000000000400000-0x00000000004C0000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/972-3-0x0000000000400000-0x00000000004C0000-memory.dmp	autoit_exe

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

System Information Discovery
T1082

Kills process with taskkill 3 IoCs

evasion

pid	Process
4768	taskkill.exe
4292	taskkill.exe
2360	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	taskkill.exe
Token: SeDebugPrivilege	4292	taskkill.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 2368	972	75fec76e56944264d7dafd729caa69d0.exe	118
PID 972 wrote to memory of 2368	972	75fec76e56944264d7dafd729caa69d0.exe	118
PID 972 wrote to memory of 2368	972	75fec76e56944264d7dafd729caa69d0.exe	118
PID 972 wrote to memory of 4396	972	75fec76e56944264d7dafd729caa69d0.exe	38
PID 972 wrote to memory of 4396	972	75fec76e56944264d7dafd729caa69d0.exe	38
PID 972 wrote to memory of 4396	972	75fec76e56944264d7dafd729caa69d0.exe	38
PID 4396 wrote to memory of 4768	4396	cmd.exe	39
PID 4396 wrote to memory of 4768	4396	cmd.exe	39
PID 4396 wrote to memory of 4768	4396	cmd.exe	39
PID 972 wrote to memory of 812	972	75fec76e56944264d7dafd729caa69d0.exe	47
PID 972 wrote to memory of 812	972	75fec76e56944264d7dafd729caa69d0.exe	47
PID 972 wrote to memory of 812	972	75fec76e56944264d7dafd729caa69d0.exe	47
PID 812 wrote to memory of 4292	812	cmd.exe	43
PID 812 wrote to memory of 4292	812	cmd.exe	43
PID 812 wrote to memory of 4292	812	cmd.exe	43
PID 972 wrote to memory of 3728	972	75fec76e56944264d7dafd729caa69d0.exe	46
PID 972 wrote to memory of 3728	972	75fec76e56944264d7dafd729caa69d0.exe	46
PID 972 wrote to memory of 3728	972	75fec76e56944264d7dafd729caa69d0.exe	46
PID 3728 wrote to memory of 872	3728	cmd.exe	120
PID 3728 wrote to memory of 872	3728	cmd.exe	120
PID 3728 wrote to memory of 872	3728	cmd.exe	120
PID 972 wrote to memory of 2760	972	75fec76e56944264d7dafd729caa69d0.exe	66
PID 972 wrote to memory of 2760	972	75fec76e56944264d7dafd729caa69d0.exe	66
PID 972 wrote to memory of 2760	972	75fec76e56944264d7dafd729caa69d0.exe	66
PID 2760 wrote to memory of 2360	2760	cmd.exe	62
PID 2760 wrote to memory of 2360	2760	cmd.exe	62
PID 2760 wrote to memory of 2360	2760	cmd.exe	62

C:\Users\Admin\AppData\Local\Temp\75fec76e56944264d7dafd729caa69d0.exe
"C:\Users\Admin\AppData\Local\Temp\75fec76e56944264d7dafd729caa69d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c khmsg
  2⤵
  PID:2368
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im NXPRUN.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4396
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im NXPRUN.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4768
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C REG IMPORT "C:\Windows\SysWOW64\zc.lst"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3728
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im NxpAuxSvc.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:812
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start explorer.exe
  2⤵
  PID:4648
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im explorer.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2760

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im NxpAuxSvc.exe
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4292

C:\Windows\SysWOW64\reg.exe
REG IMPORT "C:\Windows\SysWOW64\zc.lst"
1⤵
PID:872

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im explorer.exe
1⤵
- Kills process with taskkill
PID:2360

C:\Windows\SysWOW64\explorer.exe
explorer.exe
1⤵
PID:512

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding
1⤵
PID:4228

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
1⤵
PID:2040

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -Embedding
1⤵
PID:4064

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:2368

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
PID:872

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/972-0-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/972-3-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download