ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602

Analysis

max time kernel
153s
max time network
138s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 13:34

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General

Target

ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe
Size

353KB
MD5

17d14a82d2cade29bf24ca69d8a25c94
SHA1

85ba85316a7476bfa8b23f91f050439e279fb90d
SHA256

ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602
SHA512

ff7ae22a0656f46e382e019163790b8f9c1b6fe89778b37bdf9333ab73a2f2b877b2a2a54c6a707dbb63e28a996cc4b6b5e3ee28422a42e311b3c4061e27dcc1
SSDEEP

6144:0cSdt9qZyH+zJr7+pqczPIsUFLrNKIXLRtdrjVAit1Tz45hElND3Bc3ROIbExW3:5Gt9qZyezdKpqczPIsUF3YKZtAY1TzGB

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe:*:Enabled:smss.exe"	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2012-54-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral1/memory/2012-56-0x0000000000400000-0x00000000004F6000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service Pack II = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe"	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\msinfo\	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe
File opened for modification	C:\WINDOWS\SysWOW64\msinfo\Shareds32\	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe
File opened for modification	C:\WINDOWS\SysWOW64\msinfo\Registerkey\	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2012	ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe

C:\Users\Admin\AppData\Local\Temp\ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe
"C:\Users\Admin\AppData\Local\Temp\ea91bac45839b45eff28bc8f12690e01cd1f330c298131a676c48376a8b1a602.exe"
1⤵
- Modifies firewall policy service
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

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

memory/2012-54-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2012-55-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/2012-56-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download