735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 13:50

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General

Target

735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe
Size

198KB
MD5

6662c66c765ae606e9c5d46d79f4b3ed
SHA1

45bb2475a16a43d7f3887d8795864d6b0f7dc486
SHA256

735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67
SHA512

1cfd9de35ee451c081852aae395f511685d00a099fffec59a4458448cf8c7e24c9160accb0f46f6b4146a1d223d6ba29b1b72b063a211ea32e474320a2da8ca7
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOp:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXU

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe

Executes dropped EXE 1 IoCs

pid	Process
4252	yyghost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\yyghost.exe	735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe
File opened for modification	C:\Windows\Debug\yyghost.exe	735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	yyghost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	yyghost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5012	735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 4528	5012	735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe	85
PID 5012 wrote to memory of 4528	5012	735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe	85
PID 5012 wrote to memory of 4528	5012	735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe	85

C:\Users\Admin\AppData\Local\Temp\735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe
"C:\Users\Admin\AppData\Local\Temp\735146e39beb6fa328395af567e5712a516addf8779a6ad122ae2395ad883d67.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\735146~1.EXE > nul
  2⤵
  PID:4528

C:\Windows\Debug\yyghost.exe
C:\Windows\Debug\yyghost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

C:\Windows\Debug\yyghost.exe

Filesize
198KB

MD5
09cbb4c4aa655bffe4767aeac4b8f0ac

SHA1
68c0f7590f3adedfe630f8069c4538405f768ddc

SHA256
868103852e38f352c0573c1c9795b5a531f81912fe58a73fe5e9474aea5c11bc

SHA512
22b70bea667dbeb697a1063d7ebab03180cc59648e726caf78a380e704bf2ca53077e22c2d6d8f4696eee6a57556351fff09560c1573d268efca2877ba04a765

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C:\Windows\debug\yyghost.exe

Filesize
198KB

MD5
09cbb4c4aa655bffe4767aeac4b8f0ac

SHA1
68c0f7590f3adedfe630f8069c4538405f768ddc

SHA256
868103852e38f352c0573c1c9795b5a531f81912fe58a73fe5e9474aea5c11bc

SHA512
22b70bea667dbeb697a1063d7ebab03180cc59648e726caf78a380e704bf2ca53077e22c2d6d8f4696eee6a57556351fff09560c1573d268efca2877ba04a765

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads