05b3347fcddf440da243f5fc417202d7eb2ac56f66c69f77d8385a33be55c595

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 22:27

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General

Target
$PLUGINSDIR/nsJSON.dll
Size 7KB
Sample240612-2db2tswhnk
SHA256 e3ce60666bb88c2412615ef9f432ec24e219532dee5cc1c7aebc65ed9ec94d59
MD5 78b913fcd04259634a5e901c616e6074
SHA1 ad5e1c651851a1125bcad79b01ccdcfa45df4799
SHA512 cbe07179dd93011f3d9a8f83541961ff34fb83d96658ac82a433ef0aa3399b183eaec3e6a49ec1c1e478d1eada2d3ebc78ffb1ae0574984ae66a7a9cab5d59e5
SSDEEP 192:QTIBadVjvTMEE7bZATR4N65bhztNDcrGu:QkkV/JE7IR865bhTcau
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral7/memory/2228-1-0x0000000075400000-0x000000007540A000-memory.dmp	upx
behavioral7/memory/2228-3-0x0000000075400000-0x000000007540A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	2228	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2228	2352	rundll32.exe	28
PID 2352 wrote to memory of 2228	2352	rundll32.exe	28
PID 2352 wrote to memory of 2228	2352	rundll32.exe	28
PID 2352 wrote to memory of 2228	2352	rundll32.exe	28
PID 2352 wrote to memory of 2228	2352	rundll32.exe	28
PID 2352 wrote to memory of 2228	2352	rundll32.exe	28
PID 2352 wrote to memory of 2228	2352	rundll32.exe	28
PID 2228 wrote to memory of 2128	2228	rundll32.exe	29
PID 2228 wrote to memory of 2128	2228	rundll32.exe	29
PID 2228 wrote to memory of 2128	2228	rundll32.exe	29
PID 2228 wrote to memory of 2128	2228	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 220
    3⤵
    - Program crash
    PID:2128

Network

MITRE ATT&CK Matrix

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Downloads

memory/2228-2-0x0000000075620000-0x000000007562A000-memory.dmp

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memory/2228-1-0x0000000075400000-0x000000007540A000-memory.dmp

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memory/2228-0-0x0000000075620000-0x000000007562A000-memory.dmp

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memory/2228-3-0x0000000075400000-0x000000007540A000-memory.dmp

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memory/2228-5-0x0000000075620000-0x000000007562A000-memory.dmp

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memory/2228-6-0x0000000075620000-0x000000007562A000-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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