d9507158555ccbef8c0e1ea32786fa831678954876e5d54e7454243b65d168de | Triage

Analysis

max time kernel
12s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 19:54

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General

Target

triage_dropped_file.dll
Size

490KB
MD5

347134a0abde789a76239b1ae82df2e7
SHA1

56663b53bd32b12a6c4ed244f30dece6877f20cf
SHA256

d9507158555ccbef8c0e1ea32786fa831678954876e5d54e7454243b65d168de
SHA512

4ce9b8bf120ad7ec65a7f88e7dddb00d48c95a35c4c91d54b7bd6636de27e1bcbaa917fcaa7aef27669cb2ff109eb12c3778e4009ae47086375020dd309c6f56

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3800 580 WerFault.exe regsvr32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe
3800	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3800 WerFault.exe
Token: SeBackupPrivilege 3800 WerFault.exe
Token: SeDebugPrivilege 3800 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2896 wrote to memory of 580	2896	regsvr32.exe	regsvr32.exe
PID 2896 wrote to memory of 580	2896	regsvr32.exe	regsvr32.exe
PID 2896 wrote to memory of 580	2896	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2896

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll
2⤵
PID:580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800

MITRE ATT&CK Matrix

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Downloads

memory/580-114-0x0000000000000000-mapping.dmp

Download
memory/580-115-0x0000000004BC0000-0x0000000004E1D000-memory.dmp

Filesize
2.4MB

Download
memory/580-116-0x0000000003200000-0x0000000003240000-memory.dmp

Filesize
256KB

Download