7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770

Analysis

max time kernel
64s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 04:12

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General

Target

7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe
Size

7.6MB
MD5

da78aca4078f309e3ade254cb5ed456b
SHA1

846ced383017d61753f3fdb759a503b8e5ba6809
SHA256

7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770
SHA512

1a018872bc280ea876e5a81a8340cb16aef25530de4ebd408223fb7c930553fa7ff2be6000193420db9201d21b7244da933190f7fda7d7799cb233b66a009235
SSDEEP

196608:i4njdv/crTJuQUT7cu8bhuPvEwqQBeLmM043lVQB+2nfPewx:XcxuL72hufc043z2fPewx

Score

10^/10

coreentity

Malware Config

Signatures

CoreEntity .NET Packer 2 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral2/memory/1688-133-0x0000000000400000-0x00000000023B2000-memory.dmp	coreentity
behavioral2/memory/1688-136-0x0000000000400000-0x00000000023B2000-memory.dmp	coreentity

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1340 1688 WerFault.exe 7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

pid	pid_target	process	target process
1340	1688	WerFault.exe	7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

pid	process
1688	7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe
1688	7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

description pid process

Token: SeIncBasePriorityPrivilege 1688 7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

pid process

1688 7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1688	7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe

C:\Users\Admin\AppData\Local\Temp\7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe
"C:\Users\Admin\AppData\Local\Temp\7e9d53d6d6b786073ac8e4f1ae11f511a4cf0f58d762f4024030e20fc058f770.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 1048
2⤵
- Program crash
PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1688 -ip 1688
1⤵
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1688-132-0x0000000000400000-0x00000000023B2000-memory.dmp

Filesize
31.7MB

Download
memory/1688-133-0x0000000000400000-0x00000000023B2000-memory.dmp

Filesize
31.7MB

Download
memory/1688-136-0x0000000000400000-0x00000000023B2000-memory.dmp

Filesize
31.7MB

Download