f7bab685eb74130f2e49156071fe2522134b3650d372ead79743f810d6e9051e | Triage

Analysis

max time kernel
40s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 19:37

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General

Target

HearthCrawler_R30_10/icuin52.dll
Size

1.7MB
MD5

d60b239a94313b099a3ba7695f482ca0
SHA1

02a2b43adc3b5baaa1e3dd99bc2851c01bba4288
SHA256

678bf554cfc242550ab075d477b7aa5d629cf70f17aee6f1b87b6f812da5253a
SHA512

78b5372db2585cf331745d4af75691031acd1f747abe6f69dae046eebc28bd4f02679385cd1643ddb3a39268442e2b96eb6a71f354956e5c86812f6a1f6b7cec
SSDEEP

24576:ZI1NiXmIlOpdngePu2OI8OgkZA1wO+q2R+R9wJE/uo:ZIX6OpeX9mliGo

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2040 820 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2036 wrote to memory of 820	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 820	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 820	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 820	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 820	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 820	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 820	2036	rundll32.exe	rundll32.exe
PID 820 wrote to memory of 2040	820	rundll32.exe	WerFault.exe
PID 820 wrote to memory of 2040	820	rundll32.exe	WerFault.exe
PID 820 wrote to memory of 2040	820	rundll32.exe	WerFault.exe
PID 820 wrote to memory of 2040	820	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\HearthCrawler_R30_10\icuin52.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\HearthCrawler_R30_10\icuin52.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 224
3⤵
- Program crash
PID:2040

MITRE ATT&CK Matrix

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Downloads

memory/820-54-0x0000000000000000-mapping.dmp

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memory/820-55-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

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memory/2040-56-0x0000000000000000-mapping.dmp

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