2f2aba1e074f5f4baa08b524875461889f8f04d4ffc43972ac212e286022ab94

Analysis

max time kernel
58s
max time network
59s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
22/04/2023, 23:28

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Reason

Machine shutdown

Report Analysis Logs

General

Target

Windows Loader 2.2.2..exe
Size

3.8MB
MD5

323c0fd51071400b51eedb1be90a8188
SHA1

0efc35935957c25193bbe9a83ab6caa25a487ada
SHA256

2f2aba1e074f5f4baa08b524875461889f8f04d4ffc43972ac212e286022ab94
SHA512

4c501c7135962e2f02b68d6069f2191ddb76f990528dacd209955a44972122718b9598400ba829abab2d4345b4e1a4b93453c8e7ba42080bd492a34cf8443e7e
SSDEEP

49152:cEYCFEvlmOmTgtFM3uK5m3imrHuiff+puWV355FXw/+zuWV355FXw/+DuWV355FP:cEYzEFTgtFM3ukm3imPnt

Score

8^/10

discovery exploit upx

Malware Config

Signatures

Possible privilege escalation attempt 4 IoCs

exploit

pid	Process
1764	icacls.exe
1416	takeown.exe
1388	icacls.exe
1068	takeown.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Windows Loader 2.2.2..exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	Windows Loader 2.2.2..exe

Executes dropped EXE 1 IoCs

pid	Process
316	bootsect.exe

Modifies file permissions 1 TTPs 4 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1068	takeown.exe
1764	icacls.exe
1416	takeown.exe
1388	icacls.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1532-116-0x0000000000400000-0x0000000000623000-memory.dmp	upx
behavioral1/memory/1532-118-0x0000000000400000-0x0000000000623000-memory.dmp	upx
behavioral1/memory/1532-119-0x0000000000400000-0x0000000000623000-memory.dmp	upx
behavioral1/memory/1532-120-0x0000000000400000-0x0000000000623000-memory.dmp	upx
behavioral1/memory/1532-125-0x0000000000400000-0x0000000000623000-memory.dmp	upx
behavioral1/memory/1532-139-0x0000000000400000-0x0000000000623000-memory.dmp	upx

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key created	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Windows Loader 2.2.2..exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	Windows Loader 2.2.2..exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1532	Windows Loader 2.2.2..exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: 33	1532	Windows Loader 2.2.2..exe
Token: SeIncBasePriorityPrivilege	1532	Windows Loader 2.2.2..exe
Token: 33	1532	Windows Loader 2.2.2..exe
Token: SeIncBasePriorityPrivilege	1532	Windows Loader 2.2.2..exe
Token: SeTakeOwnershipPrivilege	1068	takeown.exe
Token: SeShutdownPrivilege	1352	shutdown.exe
Token: SeRemoteShutdownPrivilege	1352	shutdown.exe
Token: 33	672	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	672	AUDIODG.EXE
Token: 33	672	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	672	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1532	Windows Loader 2.2.2..exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1944	1532	Windows Loader 2.2.2..exe	30
PID 1532 wrote to memory of 1944	1532	Windows Loader 2.2.2..exe	30
PID 1532 wrote to memory of 1944	1532	Windows Loader 2.2.2..exe	30
PID 1532 wrote to memory of 1944	1532	Windows Loader 2.2.2..exe	30
PID 1944 wrote to memory of 1680	1944	cmd.exe	32
PID 1944 wrote to memory of 1680	1944	cmd.exe	32
PID 1944 wrote to memory of 1680	1944	cmd.exe	32
PID 1944 wrote to memory of 1680	1944	cmd.exe	32
PID 1680 wrote to memory of 1068	1680	cmd.exe	33
PID 1680 wrote to memory of 1068	1680	cmd.exe	33
PID 1680 wrote to memory of 1068	1680	cmd.exe	33
PID 1680 wrote to memory of 1068	1680	cmd.exe	33
PID 1532 wrote to memory of 1772	1532	Windows Loader 2.2.2..exe	34
PID 1532 wrote to memory of 1772	1532	Windows Loader 2.2.2..exe	34
PID 1532 wrote to memory of 1772	1532	Windows Loader 2.2.2..exe	34
PID 1532 wrote to memory of 1772	1532	Windows Loader 2.2.2..exe	34
PID 1772 wrote to memory of 1764	1772	cmd.exe	36
PID 1772 wrote to memory of 1764	1772	cmd.exe	36
PID 1772 wrote to memory of 1764	1772	cmd.exe	36
PID 1772 wrote to memory of 1764	1772	cmd.exe	36
PID 1532 wrote to memory of 1660	1532	Windows Loader 2.2.2..exe	37
PID 1532 wrote to memory of 1660	1532	Windows Loader 2.2.2..exe	37
PID 1532 wrote to memory of 1660	1532	Windows Loader 2.2.2..exe	37
PID 1532 wrote to memory of 1660	1532	Windows Loader 2.2.2..exe	37
PID 1660 wrote to memory of 1644	1660	cmd.exe	39
PID 1660 wrote to memory of 1644	1660	cmd.exe	39
PID 1660 wrote to memory of 1644	1660	cmd.exe	39
PID 1660 wrote to memory of 1644	1660	cmd.exe	39
PID 1644 wrote to memory of 1416	1644	cmd.exe	40
PID 1644 wrote to memory of 1416	1644	cmd.exe	40
PID 1644 wrote to memory of 1416	1644	cmd.exe	40
PID 1644 wrote to memory of 1416	1644	cmd.exe	40
PID 1532 wrote to memory of 1456	1532	Windows Loader 2.2.2..exe	41
PID 1532 wrote to memory of 1456	1532	Windows Loader 2.2.2..exe	41
PID 1532 wrote to memory of 1456	1532	Windows Loader 2.2.2..exe	41
PID 1532 wrote to memory of 1456	1532	Windows Loader 2.2.2..exe	41
PID 1456 wrote to memory of 1388	1456	cmd.exe	43
PID 1456 wrote to memory of 1388	1456	cmd.exe	43
PID 1456 wrote to memory of 1388	1456	cmd.exe	43
PID 1456 wrote to memory of 1388	1456	cmd.exe	43
PID 1532 wrote to memory of 1496	1532	Windows Loader 2.2.2..exe	44
PID 1532 wrote to memory of 1496	1532	Windows Loader 2.2.2..exe	44
PID 1532 wrote to memory of 1496	1532	Windows Loader 2.2.2..exe	44
PID 1532 wrote to memory of 1496	1532	Windows Loader 2.2.2..exe	44
PID 1496 wrote to memory of 1640	1496	cmd.exe	46
PID 1496 wrote to memory of 1640	1496	cmd.exe	46
PID 1496 wrote to memory of 1640	1496	cmd.exe	46
PID 1532 wrote to memory of 1288	1532	Windows Loader 2.2.2..exe	47
PID 1532 wrote to memory of 1288	1532	Windows Loader 2.2.2..exe	47
PID 1532 wrote to memory of 1288	1532	Windows Loader 2.2.2..exe	47
PID 1532 wrote to memory of 1288	1532	Windows Loader 2.2.2..exe	47
PID 1288 wrote to memory of 1544	1288	cmd.exe	49
PID 1288 wrote to memory of 1544	1288	cmd.exe	49
PID 1288 wrote to memory of 1544	1288	cmd.exe	49
PID 1532 wrote to memory of 1724	1532	Windows Loader 2.2.2..exe	51
PID 1532 wrote to memory of 1724	1532	Windows Loader 2.2.2..exe	51
PID 1532 wrote to memory of 1724	1532	Windows Loader 2.2.2..exe	51
PID 1532 wrote to memory of 1724	1532	Windows Loader 2.2.2..exe	51
PID 1724 wrote to memory of 1512	1724	cmd.exe	53
PID 1724 wrote to memory of 1512	1724	cmd.exe	53
PID 1724 wrote to memory of 1512	1724	cmd.exe	53
PID 1724 wrote to memory of 1512	1724	cmd.exe	53
PID 1532 wrote to memory of 1732	1532	Windows Loader 2.2.2..exe	54
PID 1532 wrote to memory of 1732	1532	Windows Loader 2.2.2..exe	54

C:\Users\Admin\AppData\Local\Temp\Windows Loader 2.2.2..exe
"C:\Users\Admin\AppData\Local\Temp\Windows Loader 2.2.2..exe"
1⤵
- Checks BIOS information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /A /C "cmd.exe /c takeown /f C:\ldrscan\bootwin"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c takeown /f C:\ldrscan\bootwin
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1680
  - - C:\Windows\SysWOW64\takeown.exe
      takeown /f C:\ldrscan\bootwin
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      Suspicious use of AdjustPrivilegeToken
      PID:1068
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /A /C "icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\icacls.exe
    icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1764
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /A /C "cmd.exe /c takeown /f C:\ldrscan\bootwin"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c takeown /f C:\ldrscan\bootwin
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1644
  - - C:\Windows\SysWOW64\takeown.exe
      takeown /f C:\ldrscan\bootwin
      4⤵
      Possible privilege escalation attempt
      Modifies file permissions
      PID:1416
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /A /C "icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\SysWOW64\icacls.exe
    icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1388
- C:\Windows\system32\cmd.exe
  cmd.exe /A /C "C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ilc "C:\Acer.XRM-MS""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\System32\cscript.exe
    C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ilc "C:\Acer.XRM-MS"
    3⤵
    PID:1640
- C:\Windows\system32\cmd.exe
  cmd.exe /A /C "C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ipk FJGCP-4DFJD-GJY49-VJBQ7-HYRR2"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1288
- - C:\Windows\System32\cscript.exe
    C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ipk FJGCP-4DFJD-GJY49-VJBQ7-HYRR2
    3⤵
    PID:1544
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /A /C "compact /u \\?\Volume{b3ac5a43-b1b4-11ed-a5ad-806e6f6e6963}\LMFTS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Windows\SysWOW64\compact.exe
    compact /u \\?\Volume{b3ac5a43-b1b4-11ed-a5ad-806e6f6e6963}\LMFTS
    3⤵
    PID:1512
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /A /C "C:\bootsect.exe /nt60 SYS /force"
  2⤵
  PID:1732
- - C:\bootsect.exe
    C:\bootsect.exe /nt60 SYS /force
    3⤵
    - Executes dropped EXE
    PID:316
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /A /C "shutdown -r -t 0"
  2⤵
  PID:1784
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -r -t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1352

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1624

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x47c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:672

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Acer.XRM-MS

Filesize
2KB

MD5
f25832af6a684360950dbb15589de34a

SHA1
17ff1d21005c1695ae3dcbdc3435017c895fff5d

SHA256
266d64637cf12ff961165a018f549ff41002dc59380605b36d65cf1b8127c96f

SHA512
e0cf23351c02f4afa85eedc72a86b9114f539595cbd6bcd220e8b8d70fa6a7379dcd947ea0d59332ba672f36ebda6bd98892d9b6b20eedafc8be168387a3dd5f

Download Submit
C:\bootsect.exe

Filesize
95KB

MD5
a062e202e6101250f485fc679e2aef82

SHA1
9c18280712e8012d590b63dc90e42b88d6971c9b

SHA256
32edfecff169c82107f520f6b2a6b56d14f714ef22be7aef9676082e89a5525e

SHA512
d02e9a8708b0e4a99b623cc3525105ecd48ef79e7f9bfac6d34cadd38c31ff9bf2485f1d84f33f5e9057bf0c3603b86bab6003ee876f865e2f5ca04ddb394379

Download Submit
C:\bootsect.exe

Filesize
95KB

MD5
a062e202e6101250f485fc679e2aef82

SHA1
9c18280712e8012d590b63dc90e42b88d6971c9b

SHA256
32edfecff169c82107f520f6b2a6b56d14f714ef22be7aef9676082e89a5525e

SHA512
d02e9a8708b0e4a99b623cc3525105ecd48ef79e7f9bfac6d34cadd38c31ff9bf2485f1d84f33f5e9057bf0c3603b86bab6003ee876f865e2f5ca04ddb394379

Download Submit
\??\Volume{b3ac5a43-b1b4-11ed-a5ad-806e6f6e6963}\LMFTS

Filesize
301KB

MD5
65d2cb2335caef8fcd8b2e250b395fb7

SHA1
211cd0c5b6aabe003111d0abfe112b896808286b

SHA256
a9cb332b98f76372b56e9bb96de6011a7cad57cb6dfec1f585b1ba53ee9984ab

SHA512
810867c04783ff9a37c858385357160feb2e9803ff01f5d221174c6e8c81a3e2da266b27b2c87959c237861aba48f0565510a34575da636fcb8c07ff8ca5c237

Download Submit
memory/700-141-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/1532-91-0x00000000006A0000-0x00000000006B0000-memory.dmp

Filesize
64KB

Download
memory/1532-120-0x0000000000400000-0x0000000000623000-memory.dmp

Filesize
2.1MB

Download
memory/1532-107-0x00000000006C0000-0x00000000006E0000-memory.dmp

Filesize
128KB

Download
memory/1532-116-0x0000000000400000-0x0000000000623000-memory.dmp

Filesize
2.1MB

Download
memory/1532-117-0x00000000020F0000-0x0000000002293000-memory.dmp

Filesize
1.6MB

Download
memory/1532-118-0x0000000000400000-0x0000000000623000-memory.dmp

Filesize
2.1MB

Download
memory/1532-119-0x0000000000400000-0x0000000000623000-memory.dmp

Filesize
2.1MB

Download
memory/1532-99-0x00000000006B0000-0x00000000006C0000-memory.dmp

Filesize
64KB

Download
memory/1532-125-0x0000000000400000-0x0000000000623000-memory.dmp

Filesize
2.1MB

Download
memory/1532-54-0x0000000000630000-0x0000000000643000-memory.dmp

Filesize
76KB

Download
memory/1532-83-0x0000000000680000-0x0000000000691000-memory.dmp

Filesize
68KB

Download
memory/1532-75-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/1532-67-0x0000000000660000-0x0000000000672000-memory.dmp

Filesize
72KB

Download
memory/1532-139-0x0000000000400000-0x0000000000623000-memory.dmp

Filesize
2.1MB

Download
memory/1532-62-0x0000000000650000-0x0000000000660000-memory.dmp

Filesize
64KB

Download
memory/1624-140-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads