2a3c5075363be6ad673b7c6daca4acfbf14c537e3951b784f8f24ebc39352cb0

Analysis

max time kernel
40s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 08:28

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General

Target

faturanet.exe
Size

212KB
MD5

4f964a479250bc6307c448323eba3dda
SHA1

52c5950806b0e2126caec6c58aba7d7ec3e4ea4f
SHA256

f90a15ae0725ee8d3b2f1a6d840370ef0c7b463537688f02250c5a53dbcf4479
SHA512

13491dafe9e92dc0e60f39eaf23b020eb8f1c3aa7ac3450aafa07db2f50e89b74361e36b06a9335ee7502198233640d446251fc1a5c4bc5802f68739468bc0ac
SSDEEP

6144:2QBgEWmvH1nmXHJF3zB2ivUDec7BEOmZMi:EERvwZNZvCec7LuMi

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral3/memory/1304-55-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral3/memory/1304-57-0x0000000000400000-0x0000000000491000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

faturanet.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	faturanet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\RunDLL32 = "C:\\Users\\Admin\\Desktop\\rynksfqes\\rynksfqes.exe"	faturanet.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1300 1304 WerFault.exe faturanet.exe

pid	pid_target	process	target process
1300	1304	WerFault.exe	faturanet.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

faturanet.exe

description	pid	process	target process
PID 1304 wrote to memory of 1300	1304	faturanet.exe	WerFault.exe
PID 1304 wrote to memory of 1300	1304	faturanet.exe	WerFault.exe
PID 1304 wrote to memory of 1300	1304	faturanet.exe	WerFault.exe
PID 1304 wrote to memory of 1300	1304	faturanet.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\faturanet.exe
"C:\Users\Admin\AppData\Local\Temp\faturanet.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 480
2⤵
- Program crash
PID:1300

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1300-56-0x0000000000000000-mapping.dmp

Download
memory/1304-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1304-55-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1304-57-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download