fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf

Analysis

max time kernel
154s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2022 00:57

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General

Target

fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf.exe
Size

314KB
MD5

3e090b5367fbd0974dc60c2934acd241
SHA1

19ca7e7145c091b43a81d731d954611576326e97
SHA256

fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf
SHA512

9de587ec7c226e832ff7870b510cda7355696a2cd763f5c8a0af8496d0f11ae9d3f6a07cf77a4e2cb8a5b729a5bdb75b7b0247ac428894b98dc54655206a38ef
SSDEEP

6144:3zn9cpxx7pJ7vEZW+YbevsdNQ34Mqirtt9Y:pcPpvYYKvgVFirL6

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4896	skkwkm.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\skkwkm.exe	fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf.exe
File opened for modification	C:\Windows\skkwkm.exe	fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	skkwkm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	skkwkm.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4828	fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf.exe

C:\Users\Admin\AppData\Local\Temp\fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf.exe
"C:\Users\Admin\AppData\Local\Temp\fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
PID:4828

C:\Windows\skkwkm.exe
C:\Windows\skkwkm.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\skkwkm.exe

Filesize
314KB

MD5
3e090b5367fbd0974dc60c2934acd241

SHA1
19ca7e7145c091b43a81d731d954611576326e97

SHA256
fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf

SHA512
9de587ec7c226e832ff7870b510cda7355696a2cd763f5c8a0af8496d0f11ae9d3f6a07cf77a4e2cb8a5b729a5bdb75b7b0247ac428894b98dc54655206a38ef

Download Submit
C:\Windows\skkwkm.exe

Filesize
314KB

MD5
3e090b5367fbd0974dc60c2934acd241

SHA1
19ca7e7145c091b43a81d731d954611576326e97

SHA256
fe27f512511cdc1536b1d6e9665a5fe75cdbaf7a8a780073bccd3ecdbc318bdf

SHA512
9de587ec7c226e832ff7870b510cda7355696a2cd763f5c8a0af8496d0f11ae9d3f6a07cf77a4e2cb8a5b729a5bdb75b7b0247ac428894b98dc54655206a38ef

Download Submit