nloader | 3205ebcea1f138f0171ff3815d594883805b4af48a24bc0d6228d0b0ee12ddb4

Resubmissions

18/05/2021, 21:02

18/05/2021, 19:36

Target
4802545.xs2.dll
Size 110KB
Sample210518-4nn39mdaee
SHA256 3205ebcea1f138f0171ff3815d594883805b4af48a24bc0d6228d0b0ee12ddb4
MD5 cfb94c893280fd1edd40a4c74031727a
SHA1 9bf1f365e14842621854282f976b890478816a77
SHA512 31b573054e5963c939cab24b48a8610f757ea94eba21c5101f2df3ffd8fc3120327795692feda7d448091a93b4befb389eed48e17662d7f2e3b19cc441a56988
MD5 SHA1 SHA512

Score

10^/10

nloader loader

Nloader
Simple loader that includes the keyword 'campo' in the URL used to download other families.
loader nloader

Nloader Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1968-62-0x00000000001F0000-0x00000000001F5000-memory.dmp	nloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1668	1968	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 5 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1668	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1968	1988	rundll32.exe	26
PID 1988 wrote to memory of 1968	1988	rundll32.exe	26
PID 1988 wrote to memory of 1968	1988	rundll32.exe	26
PID 1988 wrote to memory of 1968	1988	rundll32.exe	26
PID 1988 wrote to memory of 1968	1988	rundll32.exe	26
PID 1988 wrote to memory of 1968	1988	rundll32.exe	26
PID 1988 wrote to memory of 1968	1988	rundll32.exe	26
PID 1968 wrote to memory of 1668	1968	rundll32.exe	30
PID 1968 wrote to memory of 1668	1968	rundll32.exe	30
PID 1968 wrote to memory of 1668	1968	rundll32.exe	30
PID 1968 wrote to memory of 1668	1968	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4802545.xs2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4802545.xs2.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 436
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1668

memory/1668-65-0x0000000002030000-0x0000000002031000-memory.dmp

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memory/1968-61-0x0000000075B31000-0x0000000075B33000-memory.dmp

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memory/1968-62-0x00000000001F0000-0x00000000001F5000-memory.dmp

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