2141f5d04cb8495b09243cfe3304fa0929d9b586113199ff13c654baf0e2b679

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 03:10

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General

Target
$PLUGINSDIR/nsRandom.dll
Size 21KB
Sample240517-dpbcnseh34
SHA256 db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73
MD5 ab467b8dfaa660a0f0e5b26e28af5735
SHA1 596abd2c31eaff3479edf2069db1c155b59ce74d
SHA512 7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301
SSDEEP 384:LCHDPMs4GdtyO5roguusMxUXiO3wOw95euooP2UgKbd9BvNtf:LCHD6Gh87MKXil/5r2U3z
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral11/memory/1924-3-0x0000000000100000-0x0000000000112000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	1924	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 1924	2960	rundll32.exe	28
PID 2960 wrote to memory of 1924	2960	rundll32.exe	28
PID 2960 wrote to memory of 1924	2960	rundll32.exe	28
PID 2960 wrote to memory of 1924	2960	rundll32.exe	28
PID 2960 wrote to memory of 1924	2960	rundll32.exe	28
PID 2960 wrote to memory of 1924	2960	rundll32.exe	28
PID 2960 wrote to memory of 1924	2960	rundll32.exe	28
PID 1924 wrote to memory of 1960	1924	rundll32.exe	29
PID 1924 wrote to memory of 1960	1924	rundll32.exe	29
PID 1924 wrote to memory of 1960	1924	rundll32.exe	29
PID 1924 wrote to memory of 1960	1924	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 228
    3⤵
    - Program crash
    PID:1960

Network

MITRE ATT&CK Matrix

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Downloads

memory/1924-0-0x00000000000F0000-0x0000000000102000-memory.dmp

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memory/1924-3-0x0000000000100000-0x0000000000112000-memory.dmp

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memory/1924-2-0x00000000000F0000-0x0000000000102000-memory.dmp

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memory/1924-1-0x00000000000F0000-0x0000000000102000-memory.dmp

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memory/1924-6-0x00000000000F0000-0x0000000000102000-memory.dmp

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memory/1924-8-0x00000000000F0000-0x0000000000102000-memory.dmp

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memory/1924-7-0x00000000000F0000-0x0000000000102000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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