14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

General

Target

updatewin1.bin.exe
Size

272KB
MD5

5b4bd24d6240f467bfbc74803c9f15b0
SHA1

c17f98c182d299845c54069872e8137645768a1a
SHA256

14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e
SHA512

a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

Score

10^/10

evasion

Malware Config

Signatures

Deletes Windows Defender Definitions 2 TTPs 1 IoCs

Uses mpcmdrun utility to delete all AV definitions.

evasion

Disabling Security Tools

T1089

Command-Line Interface

T1059

pid	Process
3100	mpcmdrun.exe

Disables Task Manager via registry modification
evasion

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
932	powershell.exe
932	powershell.exe
932	powershell.exe
1796	powershell.exe
1796	powershell.exe
1796	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3292	powershell.exe
Token: SeDebugPrivilege	932	powershell.exe
Token: SeDebugPrivilege	1796	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 520	4632	updatewin1.bin.exe	77
PID 4632 wrote to memory of 520	4632	updatewin1.bin.exe	77
PID 4632 wrote to memory of 520	4632	updatewin1.bin.exe	77
PID 520 wrote to memory of 3292	520	updatewin1.bin.exe	79
PID 520 wrote to memory of 3292	520	updatewin1.bin.exe	79
PID 520 wrote to memory of 3292	520	updatewin1.bin.exe	79
PID 520 wrote to memory of 932	520	updatewin1.bin.exe	81
PID 520 wrote to memory of 932	520	updatewin1.bin.exe	81
PID 520 wrote to memory of 932	520	updatewin1.bin.exe	81
PID 932 wrote to memory of 1796	932	powershell.exe	83
PID 932 wrote to memory of 1796	932	powershell.exe	83
PID 932 wrote to memory of 1796	932	powershell.exe	83
PID 520 wrote to memory of 3100	520	updatewin1.bin.exe	85
PID 520 wrote to memory of 3100	520	updatewin1.bin.exe	85
PID 520 wrote to memory of 1512	520	updatewin1.bin.exe	87
PID 520 wrote to memory of 1512	520	updatewin1.bin.exe	87
PID 520 wrote to memory of 1512	520	updatewin1.bin.exe	87

C:\Users\Admin\AppData\Local\Temp\updatewin1.bin.exe
"C:\Users\Admin\AppData\Local\Temp\updatewin1.bin.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Users\Admin\AppData\Local\Temp\updatewin1.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\updatewin1.bin.exe" --Admin
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command Set-ExecutionPolicy -Scope CurrentUser RemoteSigned
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3292
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\Users\Admin\AppData\Local\script.ps1""' -Verb RunAs}"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:932
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\script.ps1
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1796
- - C:\Program Files\Windows Defender\mpcmdrun.exe
    "C:\Program Files\Windows Defender\mpcmdrun.exe" -removedefinitions -all
    3⤵
    - Deletes Windows Defender Definitions
    PID:3100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat""
    3⤵
    PID:1512

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Disabling Security Tools

1

T1089

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/520-5-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/520-6-0x00000000004E6000-0x00000000004E7000-memory.dmp

Filesize
4KB

Download
memory/932-32-0x0000000073D70000-0x000000007445E000-memory.dmp

Filesize
6.9MB

Download
memory/932-45-0x00000000098D0000-0x00000000098D1000-memory.dmp

Filesize
4KB

Download
memory/932-46-0x000000000A0E0000-0x000000000A0E1000-memory.dmp

Filesize
4KB

Download
memory/1796-57-0x00000000075A0000-0x00000000075A1000-memory.dmp

Filesize
4KB

Download
memory/1796-50-0x00000000733C0000-0x0000000073AAE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-60-0x0000000007DC0000-0x0000000007DC1000-memory.dmp

Filesize
4KB

Download
memory/1796-72-0x0000000008E90000-0x0000000008E91000-memory.dmp

Filesize
4KB

Download
memory/1796-74-0x0000000008FE0000-0x0000000008FE1000-memory.dmp

Filesize
4KB

Download
memory/1796-76-0x0000000008FC0000-0x0000000008FC1000-memory.dmp

Filesize
4KB

Download
memory/3292-11-0x0000000007940000-0x0000000007941000-memory.dmp

Filesize
4KB

Download
memory/3292-14-0x00000000084E0000-0x00000000084E1000-memory.dmp

Filesize
4KB

Download
memory/3292-28-0x0000000009DB0000-0x0000000009DB1000-memory.dmp

Filesize
4KB

Download
memory/3292-27-0x0000000009C00000-0x0000000009C01000-memory.dmp

Filesize
4KB

Download
memory/3292-26-0x0000000009A90000-0x0000000009A91000-memory.dmp

Filesize
4KB

Download
memory/3292-19-0x0000000009AD0000-0x0000000009B03000-memory.dmp

Filesize
204KB

Download
memory/3292-17-0x0000000008B10000-0x0000000008B11000-memory.dmp

Filesize
4KB

Download
memory/3292-16-0x0000000008D90000-0x0000000008D91000-memory.dmp

Filesize
4KB

Download
memory/3292-15-0x0000000007C40000-0x0000000007C41000-memory.dmp

Filesize
4KB

Download
memory/3292-29-0x0000000009D50000-0x0000000009D51000-memory.dmp

Filesize
4KB

Download
memory/3292-13-0x0000000007B50000-0x0000000007B51000-memory.dmp

Filesize
4KB

Download
memory/3292-12-0x0000000007AE0000-0x0000000007AE1000-memory.dmp

Filesize
4KB

Download
memory/3292-10-0x0000000007C70000-0x0000000007C71000-memory.dmp

Filesize
4KB

Download
memory/3292-9-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

Download
memory/3292-8-0x0000000073D70000-0x000000007445E000-memory.dmp

Filesize
6.9MB

Download
memory/4632-2-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/4632-3-0x000000000064E000-0x000000000064F000-memory.dmp

Filesize
4KB

Download

Analysis

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