bffe313600b5b3ed8962533c200d0c054f3e0e9db072e16472865f5319c8fae0 | Triage

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-en-20211208
submitted
27-12-2021 08:51

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General

Target

download.dat.dll
Size

205KB
MD5

f1b9ce32bd51a386ad01b3c21562598a
SHA1

c51d70e9c65c0efac222bba50995df8392d8d79d
SHA256

bffe313600b5b3ed8962533c200d0c054f3e0e9db072e16472865f5319c8fae0
SHA512

62b3069c3a5991a11ae7834439c7ee77ecfa947cdc3a457bbfa313c338069319dce184855143f702fc6fa0a5b266bd31bf4a8910630838418261899a33868ffc

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1368 1680 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

1368 WerFault.exe
1368 WerFault.exe
1368 WerFault.exe
1368 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1368 WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1620 wrote to memory of 1680	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 1680	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 1680	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 1680	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 1680	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 1680	1620	rundll32.exe	rundll32.exe
PID 1620 wrote to memory of 1680	1620	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 1368	1680	rundll32.exe	WerFault.exe
PID 1680 wrote to memory of 1368	1680	rundll32.exe	WerFault.exe
PID 1680 wrote to memory of 1368	1680	rundll32.exe	WerFault.exe
PID 1680 wrote to memory of 1368	1680	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\download.dat.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\download.dat.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 232
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368

MITRE ATT&CK Matrix

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Downloads

memory/1368-57-0x0000000000000000-mapping.dmp

Download
memory/1368-59-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1680-55-0x0000000000000000-mapping.dmp

Download
memory/1680-56-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download