46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 22:45

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General

Target

46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d.exe
Size

172KB
MD5

559e8c01b45a9f12aaf12533b10f07a0
SHA1

641da6074d29ac69a2b2a651c639172e495f6bc0
SHA256

46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d
SHA512

fb909b3d1a191502cf7670971a933cbb140ab36385c2711665797a7650cd9b373ce8aaa74b68b45dd68d5570fd192d504a4089d943ace4e9e4d7ef70b7cb3edf
SSDEEP

1536:b1RRpYd5935oPIZHoqCBtAupRvyNPvlvNWWBrLLhxJS7H7x7iZKXMDGs/2Ba994R:brzYd5935oPaoq/uphkvNWWJJSL97MZ

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilityex.dll"	46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d.exe

Deletes itself 1 IoCs

pid	Process
940	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
940	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll	46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll	46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d.exe

C:\Users\Admin\AppData\Local\Temp\46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d.exe
"C:\Users\Admin\AppData\Local\Temp\46cea6ffffc2897d0148e9835f76b42049eb0fd175a7ab1923fc482f8c97ac5d.exe"
1⤵
- Sets DLL path for service in the registry
- Drops file in System32 directory
PID:2032

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Deletes itself
- Loads dropped DLL
PID:940

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\SysWOW64\fastuserswitchingcompatibilityex.dll

Filesize
72KB

MD5
106e2b682ec829cc8c81f51245946e80

SHA1
8c50bef91ad32fbeb66618e0b4aa7308fcd93a63

SHA256
803fc789f5afd500d0729693a8adbcc12282617210e0c8ac5f5e81c55458515e

SHA512
e22175fa49b661a1bac3ef18b3309c3aab9a2da7e0df24817f58071cb4b86f278929949f705daf6c751e56d0c0d5a7e6aa2ec217677299bd8c36630f7c584edd

Download Submit
\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll

Filesize
72KB

MD5
106e2b682ec829cc8c81f51245946e80

SHA1
8c50bef91ad32fbeb66618e0b4aa7308fcd93a63

SHA256
803fc789f5afd500d0729693a8adbcc12282617210e0c8ac5f5e81c55458515e

SHA512
e22175fa49b661a1bac3ef18b3309c3aab9a2da7e0df24817f58071cb4b86f278929949f705daf6c751e56d0c0d5a7e6aa2ec217677299bd8c36630f7c584edd

Download Submit
memory/2032-54-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download