a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea

Analysis

max time kernel
72s
max time network
59s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 15:45

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General

Target

a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe
Size

99KB
MD5

ce9328a529eac6f52f510fa87588d5c6
SHA1

8a14cffc8a77b45ac85d115190390b8c8a9eb697
SHA256

a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea
SHA512

7503db063c18f262bffa22b5daf9ed9865e68f2f1ddd92ba83ecf8ee380e817a7477771f0da0a84b62650e05e3d6c100472ee6896f06ae7b57b3676643bfbfe6
SSDEEP

1536:FXmvZVGbx3LAWJDz2DTILDztEZ08QUForcxUOgBAGUy0CwC5TOu+6:dmvZV+7LDZEi8jFScPoUy6CVtF

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1492-55-0x0000000000220000-0x00000000002A0000-memory.dmp	upx
behavioral1/memory/1492-57-0x0000000000220000-0x00000000002A0000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ssktq.exe	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe
File opened for modification	C:\Windows\SysWOW64\ssktq.exe	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\TabProcGrowth = "0"	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1492	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe
Token: SeSystemtimePrivilege	1492	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1424	1492	a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe	13

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1424
- C:\Users\Admin\AppData\Local\Temp\a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe
  "C:\Users\Admin\AppData\Local\Temp\a99d354320d9696c75dba3e593a50bd20fd028e676e08517e5f6315c21ab7cea.exe"
  2⤵
  - Drops file in System32 directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1424-61-0x0000000002570000-0x000000000257A000-memory.dmp

Filesize
40KB

Download
memory/1492-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1492-55-0x0000000000220000-0x00000000002A0000-memory.dmp

Filesize
512KB

Download
memory/1492-56-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1492-57-0x0000000000220000-0x00000000002A0000-memory.dmp

Filesize
512KB

Download
memory/1492-58-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/1492-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1492-60-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/1492-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download