2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739c

General

Target

2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe
Size

48KB
MD5

545e6e913780d3a3ee836ba9e25ec610
SHA1

a22a32f6a95e1a8e4313f4498c9a4be48330639c
SHA256

2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739c
SHA512

a1ad390566d7f2d2e5d5894e34bc7f250984140ee8298dde49e1a42e6ca7cd68363909b76a43b2a1a330ff470e3ca63f7a201d95fe2afc34e9725035039745d7
SSDEEP

768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ohPC:Ub1MsHz3JDwhyWr+N95OTga67

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SySe\Parameters\ServiceDll = "C:\\Program Files (x86)\\259461003.dll"	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe

Deletes itself 1 IoCs

pid	Process
1036	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	SySe.exe

Loads dropped DLL 7 IoCs

pid	Process
2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe
1328	svchost.exe
1328	svchost.exe
2740	SySe.exe
2740	SySe.exe
2740	SySe.exe
2740	SySe.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SySe.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\SySe.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\259461003.dll	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SySe.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1036	cmd.exe
2696	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2696	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1036	2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe	32
PID 2400 wrote to memory of 1036	2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe	32
PID 2400 wrote to memory of 1036	2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe	32
PID 2400 wrote to memory of 1036	2400	2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe	32
PID 1036 wrote to memory of 2696	1036	cmd.exe	34
PID 1036 wrote to memory of 2696	1036	cmd.exe	34
PID 1036 wrote to memory of 2696	1036	cmd.exe	34
PID 1036 wrote to memory of 2696	1036	cmd.exe	34
PID 1328 wrote to memory of 2740	1328	svchost.exe	35
PID 1328 wrote to memory of 2740	1328	svchost.exe	35
PID 1328 wrote to memory of 2740	1328	svchost.exe	35
PID 1328 wrote to memory of 2740	1328	svchost.exe	35

C:\Users\Admin\AppData\Local\Temp\2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe
"C:\Users\Admin\AppData\Local\Temp\2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\2b169fa7dc7ee335fe78c8f00ff0d104e49efb178e71137dfe66d9e0666b739cN.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2696

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SySe"
1⤵
PID:2212

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SySe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\SysWOW64\SySe.exe
  C:\Windows\system32\SySe.exe "c:\program files (x86)\259461003.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\SySe.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Program Files (x86)\259461003.dll

Filesize
25KB

MD5
1bc1c91b9addf5b2f9ae093a9ab48dac

SHA1
6dabd0136e152881109f2e4a35d6fecd4e0edd85

SHA256
9d910f3e5fd7676f30a205b2967c8f47f0a555061768fc79da2ce2cfcf95c03f

SHA512
313394ba66d14e0cf712d2f6c3370788ee1b020b5a35a606d0d5acdf484dd93ca0494d3e4fc6ef10ed2882ab8bfbb81e3ae0e0eb99d003a2ff90292e5513fd95

Download Submit

Analysis

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