4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f

Analysis

max time kernel
134s
max time network
140s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
28/08/2023, 12:38

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General

Target

4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
Size

2.5MB
MD5

6044815a509bd93d9138a53703c3c67f
SHA1

f6514efcbec925ed96eec3b38b7b8d465f639952
SHA256

4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f
SHA512

37ec3f9f11bf5c0ba31d030f8c2e1c9809ac0f144a8a8f20bb82e3c73993052da474cdfeb49a9a7861a0ffc53006aff7852dae36f67893f5fe7dbc5f764afb24
SSDEEP

49152:0BtkSsGmCzv0MGxhST+YcITKSYeibmmYvJR/DvAQwDWY3xqOrAlk:0BLO4FUeiCmYvAQw73cXlk

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1732-0-0x0000000000400000-0x0000000000935000-memory.dmp	upx
behavioral1/memory/1732-8-0x00000000001F0000-0x00000000001FB000-memory.dmp	upx
behavioral1/memory/1732-7-0x00000000001F0000-0x00000000001FB000-memory.dmp	upx
behavioral1/memory/1732-10-0x0000000000400000-0x0000000000935000-memory.dmp	upx

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Internet Explorer\Main	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.2345.com/?28879"	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.2345.com/?28879"	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Internet Explorer\Main\Start Page	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/?28879"	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1732	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
1732	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
1732	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
1732	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
468	Process not Found
468	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1732	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
1732	4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe

C:\Users\Admin\AppData\Local\Temp\4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe
"C:\Users\Admin\AppData\Local\Temp\4b503e651c42aa2212d4e923b3b35c7dcecfc5e4a47e40657ac5d7260a0b178f.exe"
1⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/1732-0-0x0000000000400000-0x0000000000935000-memory.dmp

Filesize
5.2MB

Download
memory/1732-8-0x00000000001F0000-0x00000000001FB000-memory.dmp

Filesize
44KB

Download
memory/1732-7-0x00000000001F0000-0x00000000001FB000-memory.dmp

Filesize
44KB

Download
memory/1732-9-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1732-10-0x0000000000400000-0x0000000000935000-memory.dmp

Filesize
5.2MB

Download
memory/1732-11-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

Filesize
4KB

Download