e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c

Analysis

max time kernel
187s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 04:10

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General

Target

e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe
Size

55KB
MD5

ff9024b738d98230dd31f41ca9f1c875
SHA1

23162a9529cce98bd20e0ce33985dc70b0cc2b04
SHA256

e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c
SHA512

0d98e28f373d08732257a94957b12d379e584f1fd9e0a77a14b0d04ac649e1278bad0927fc7dd55e51ec66652eeb94fdce2fe981f713d6fb09ddb1d234ef32ca
SSDEEP

768:MGziYmDTjQxWCyqQVViG1AOrsi2fPArDvLLztEq3zQMbfwq/pzA:T9+20qQVVWO14IDXe0Xbfwq/2

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\netserv\Parameters\ServiceDll = "C:\\Windows\\system32\\netservx86.dll"	e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\netserv\ImagePath = "%SystemRoot%\\system32\\svchost -k netserv"	e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe

Loads dropped DLL 1 IoCs

Processes:

svchost.exe

pid process

4640 svchost.exe
Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery
T1063

Processes:

svchost.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\AhnLab\V3IS80 svchost.exe
Drops file in System32 directory 1 IoCs

Processes:

e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe

description ioc process

File created C:\Windows\SysWOW64\netservx86.dll e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe

pid	process
4640	svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\AhnLab\V3IS80	svchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\netservx86.dll	e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe
"C:\Users\Admin\AppData\Local\Temp\e7b8bb77e38784439ceb731191b86b3782bcff3e6b620fc44eca273cb780693c.exe"
1⤵
- Sets DLL path for service in the registry
- Sets service image path in registry
- Drops file in System32 directory
PID:2000

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost -k netserv -s netserv
1⤵
- Loads dropped DLL
- Checks for any installed AV software in registry
- Modifies data under HKEY_USERS
PID:4640

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

Security Software Discovery

T1063

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\netservx86.dll

Filesize
19KB

MD5
f9cc837d8cd3d197d799b3a4b8c7a847

SHA1
f65f55285bb004a1c8084fe824ee2d799f27b424

SHA256
1a923c160dfb182bc2e9a7ef0921624fb75cd9018564e307b7773dac83ed61c5

SHA512
00cd810e4ba295e44e2db8d73a401fd8c7c5ac5538a644c07fc969b0a2712e4d932c4e79bf9d2dd657bced6021d745826d3c448059f0e8d6ec7b0a5ba5a33fe9

Download Submit
\??\c:\windows\SysWOW64\netservx86.dll

Filesize
19KB

MD5
f9cc837d8cd3d197d799b3a4b8c7a847

SHA1
f65f55285bb004a1c8084fe824ee2d799f27b424

SHA256
1a923c160dfb182bc2e9a7ef0921624fb75cd9018564e307b7773dac83ed61c5

SHA512
00cd810e4ba295e44e2db8d73a401fd8c7c5ac5538a644c07fc969b0a2712e4d932c4e79bf9d2dd657bced6021d745826d3c448059f0e8d6ec7b0a5ba5a33fe9

Download Submit
memory/2000-133-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4640-136-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download