04905ab74af1d34a39fdb2609f02e26f5a45f9404874e70efdb9b723d7cd6b9e

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 13:12

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General

Target
SKM_C3350i2402291223.bat.exe
Size 743KB
Sample240415-qfg53she21
SHA256 04905ab74af1d34a39fdb2609f02e26f5a45f9404874e70efdb9b723d7cd6b9e
MD5 036ab2261f2c1d02c67dfd53081bbd9d
SHA1 1020f8509f0d3e658f0f769481e800541ae3e764
SHA512 45363fa2d4b395c8b0b511e55e8ad7e97c8661bd91948bc4f131594e64d58227b81da27b3ed461c1819804fee10f6b828ed50a8b90457ebffe0756955891fcb3
SSDEEP 12288:mZnNBePtI9oo1VU820ajUpZIys1qn/ZWSIJJpE6XS87u66RWPXTXRkR:unNUSX1V/FUsRWSOJT6kTc
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3068	SKM_C3350i2402291223.bat.exe
3068	SKM_C3350i2402291223.bat.exe
3068	SKM_C3350i2402291223.bat.exe
3068	SKM_C3350i2402291223.bat.exe
3068	SKM_C3350i2402291223.bat.exe
2616	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	SKM_C3350i2402291223.bat.exe
Token: SeDebugPrivilege	2616	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2616	3068	SKM_C3350i2402291223.bat.exe	28
PID 3068 wrote to memory of 2616	3068	SKM_C3350i2402291223.bat.exe	28
PID 3068 wrote to memory of 2616	3068	SKM_C3350i2402291223.bat.exe	28
PID 3068 wrote to memory of 2616	3068	SKM_C3350i2402291223.bat.exe	28
PID 3068 wrote to memory of 2636	3068	SKM_C3350i2402291223.bat.exe	29
PID 3068 wrote to memory of 2636	3068	SKM_C3350i2402291223.bat.exe	29
PID 3068 wrote to memory of 2636	3068	SKM_C3350i2402291223.bat.exe	29
PID 3068 wrote to memory of 2636	3068	SKM_C3350i2402291223.bat.exe	29
PID 3068 wrote to memory of 2692	3068	SKM_C3350i2402291223.bat.exe	32
PID 3068 wrote to memory of 2692	3068	SKM_C3350i2402291223.bat.exe	32
PID 3068 wrote to memory of 2692	3068	SKM_C3350i2402291223.bat.exe	32
PID 3068 wrote to memory of 2692	3068	SKM_C3350i2402291223.bat.exe	32
PID 3068 wrote to memory of 2652	3068	SKM_C3350i2402291223.bat.exe	33
PID 3068 wrote to memory of 2652	3068	SKM_C3350i2402291223.bat.exe	33
PID 3068 wrote to memory of 2652	3068	SKM_C3350i2402291223.bat.exe	33
PID 3068 wrote to memory of 2652	3068	SKM_C3350i2402291223.bat.exe	33
PID 3068 wrote to memory of 2448	3068	SKM_C3350i2402291223.bat.exe	34
PID 3068 wrote to memory of 2448	3068	SKM_C3350i2402291223.bat.exe	34
PID 3068 wrote to memory of 2448	3068	SKM_C3350i2402291223.bat.exe	34
PID 3068 wrote to memory of 2448	3068	SKM_C3350i2402291223.bat.exe	34
PID 3068 wrote to memory of 2732	3068	SKM_C3350i2402291223.bat.exe	35
PID 3068 wrote to memory of 2732	3068	SKM_C3350i2402291223.bat.exe	35
PID 3068 wrote to memory of 2732	3068	SKM_C3350i2402291223.bat.exe	35
PID 3068 wrote to memory of 2732	3068	SKM_C3350i2402291223.bat.exe	35
PID 3068 wrote to memory of 2772	3068	SKM_C3350i2402291223.bat.exe	36
PID 3068 wrote to memory of 2772	3068	SKM_C3350i2402291223.bat.exe	36
PID 3068 wrote to memory of 2772	3068	SKM_C3350i2402291223.bat.exe	36
PID 3068 wrote to memory of 2772	3068	SKM_C3350i2402291223.bat.exe	36

C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HUvCjedP.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2616
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HUvCjedP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37A4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2636
- C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe"
  2⤵
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe"
  2⤵
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe"
  2⤵
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe"
  2⤵
  PID:2732
- C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM_C3350i2402291223.bat.exe"
  2⤵
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tmp37A4.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp37A4.tmp
Size 1KB
SHA256 8deaa769c6261ccbc9f654f9f5a6f5f4647afad64b3eb7659988e6aab5135371
MD5 ca1fda828fd6a956a37e66d8c7550e7d
SHA1 81ec9f9bb1c85753e99cc28cc09b2a7426944e84
SHA512 36472263ba9d09d04e6d7c7f52310a1aa37d59f89470a3f4fc54aa49c6c71d169566fcafcd05a7777a7c95fde94ea5807318bff3a608c766e8a3dd07cfb5c208
MD5 SHA1 SHA512

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memory/2616-20-0x000000006E8D0000-0x000000006EE7B000-memory.dmp

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memory/2616-19-0x0000000002E80000-0x0000000002EC0000-memory.dmp

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memory/2616-18-0x000000006E8D0000-0x000000006EE7B000-memory.dmp

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memory/2616-17-0x0000000002E80000-0x0000000002EC0000-memory.dmp

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memory/2616-16-0x000000006E8D0000-0x000000006EE7B000-memory.dmp

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memory/3068-3-0x0000000000560000-0x0000000000572000-memory.dmp

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memory/3068-6-0x0000000005140000-0x00000000051C4000-memory.dmp

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memory/3068-15-0x00000000745A0000-0x0000000074C8E000-memory.dmp

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memory/3068-5-0x0000000000960000-0x000000000096C000-memory.dmp

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memory/3068-4-0x0000000000720000-0x0000000000728000-memory.dmp

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memory/3068-1-0x00000000745A0000-0x0000000074C8E000-memory.dmp

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memory/3068-2-0x0000000000520000-0x0000000000560000-memory.dmp

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memory/3068-0-0x0000000000370000-0x000000000042C000-memory.dmp

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