35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a

Analysis

max time kernel
151s
max time network
171s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-10-2022 07:01

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General

Target

35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe
Size

148KB
MD5

711f41ac03480ba625a43b90b8c87abf
SHA1

48b48aeb263f4991785bbed777eaa1fc8326e42c
SHA256

35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a
SHA512

bbce59f530729e5d57a09c744d3329813b2fbbb62a2f57bee9ece1e1f71181fb603f50dbd33dbc1baab9320c420f76873120bf1a0b3d9a92d99b627076f107c7
SSDEEP

3072:4NYD0o7ELVWeIrnt/Jb03S8Me2lqO7Z/n18wzA0HFIy:DYueIrndei82nh18wsi

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1976	Mmutia.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	Mmutia.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\5GUTNY6MFK = "C:\\Windows\\Mmutia.exe"	Mmutia.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Mmutia.exe	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe
File created	C:\Windows\Mmutia.exe	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International	Mmutia.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	Mmutia.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe
1976	Mmutia.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1976	1376	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe	28
PID 1376 wrote to memory of 1976	1376	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe	28
PID 1376 wrote to memory of 1976	1376	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe	28
PID 1376 wrote to memory of 1976	1376	35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe	28

C:\Users\Admin\AppData\Local\Temp\35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe
"C:\Users\Admin\AppData\Local\Temp\35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\Mmutia.exe
  C:\Windows\Mmutia.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:1976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

C:\Windows\Mmutia.exe

Filesize
148KB

MD5
711f41ac03480ba625a43b90b8c87abf

SHA1
48b48aeb263f4991785bbed777eaa1fc8326e42c

SHA256
35ce78fb2c8cecbef71bbb2f938e4fea099f46648aaeb057cdc9a92cb10d696a

SHA512
bbce59f530729e5d57a09c744d3329813b2fbbb62a2f57bee9ece1e1f71181fb603f50dbd33dbc1baab9320c420f76873120bf1a0b3d9a92d99b627076f107c7

Download Submit
C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

Filesize
408B

MD5
015e3455849c9c855f6c31aa1a005caf

SHA1
8f4bd2516d8a24982479805ad790875d1d7c9ebc

SHA256
614084c29781dfc4d027b615cfddb39165f2bfc6bd974286b1c3ce42748868d3

SHA512
b9aa1178e31b9446362063f6a6d824d57b4e813e545f241b831492647f12c80412c32625a58bb471434c214d622f4945d047524f6dbba0ef5814d953934a9f78

Download Submit
memory/1376-54-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download
memory/1376-55-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1376-61-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-56-0x0000000000000000-mapping.dmp

Download
memory/1976-60-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1976-62-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download