netdooka | 531f6cb76127ead379d0315a7ef1a3fc61d8fff1582aa6e4f77cc73259b3e1f2

General

Target

531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe
Size

44KB
MD5

6760dd5d71565ac0cd4cbafcfcea5ff1
SHA1

384d6268d8c62bb1273493dc5a57185680b55739
SHA256

531f6cb76127ead379d0315a7ef1a3fc61d8fff1582aa6e4f77cc73259b3e1f2
SHA512

4779383cb099bc1ae96461b6b07001dc3efd198695f15eaa87705c1c6c94baf89b00b29f892164d2db77d3185c11ef4378a09aca36b4c4f504e6b82f3a017c8f
SSDEEP

768:ySuMLCCb8qs0z3NbVR1ZWTO1Wi+Ys46Aj4z9N9G8Iug3r0PggzQp7j5ALyspH:sMlbXzdz2TahTs4a9Nw8acgGKj5NsJ

Score

10^/10

netdooka discovery execution loader persistence rat

Malware Config

Extracted

Family

netdooka

C2

http://93.115.21.45/gtaddress

Signatures

NetDooka
NetDooka is a malware framework distributed by way of a pay-per-install and written in C#.
loader rat netdooka
Netdooka family
netdooka
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Executes dropped EXE 2 IoCs

pid	Process
2764	interlock_storage_8_57.exe
1440	min_id_resolver.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Avira	interlock_storage_8_57.exe
Key opened	\REGISTRY\MACHINE\Software\Wow6432Node\Avira	interlock_storage_8_57.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe	cmd.exe
File opened for modification	C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe	cmd.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2660	sc.exe
2668	sc.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 6 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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	min_id_resolver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	interlock_storage_8_57.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1044	PING.EXE
2792	ping.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2792	ping.exe
1044	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1440	min_id_resolver.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2792	1856	531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe	30
PID 1856 wrote to memory of 2792	1856	531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe	30
PID 1856 wrote to memory of 2792	1856	531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe	30
PID 1856 wrote to memory of 2764	1856	531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe	32
PID 1856 wrote to memory of 2764	1856	531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe	32
PID 1856 wrote to memory of 2764	1856	531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe	32
PID 1856 wrote to memory of 2764	1856	531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe	32
PID 2764 wrote to memory of 1044	2764	interlock_storage_8_57.exe	33
PID 2764 wrote to memory of 1044	2764	interlock_storage_8_57.exe	33
PID 2764 wrote to memory of 1044	2764	interlock_storage_8_57.exe	33
PID 2764 wrote to memory of 1044	2764	interlock_storage_8_57.exe	33
PID 2764 wrote to memory of 2744	2764	interlock_storage_8_57.exe	35
PID 2764 wrote to memory of 2744	2764	interlock_storage_8_57.exe	35
PID 2764 wrote to memory of 2744	2764	interlock_storage_8_57.exe	35
PID 2764 wrote to memory of 2744	2764	interlock_storage_8_57.exe	35
PID 2764 wrote to memory of 2660	2764	interlock_storage_8_57.exe	37
PID 2764 wrote to memory of 2660	2764	interlock_storage_8_57.exe	37
PID 2764 wrote to memory of 2660	2764	interlock_storage_8_57.exe	37
PID 2764 wrote to memory of 2660	2764	interlock_storage_8_57.exe	37
PID 2764 wrote to memory of 2668	2764	interlock_storage_8_57.exe	39
PID 2764 wrote to memory of 2668	2764	interlock_storage_8_57.exe	39
PID 2764 wrote to memory of 2668	2764	interlock_storage_8_57.exe	39
PID 2764 wrote to memory of 2668	2764	interlock_storage_8_57.exe	39

C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe
"C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\system32\ping.exe
  "ping.exe" 5.4.3.1
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe
  "C:\Users\Admin\AppData\Local\Temp\\interlock_storage_8_57.exe"
  2⤵
  - Executes dropped EXE
  - Checks for any installed AV software in registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\PING.EXE
    "C:\Windows\System32\PING.EXE" 22.61.56.108 -n 4
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1044
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe" "C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe"
    3⤵
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:2744
- - C:\Windows\SysWOW64\sc.exe
    "C:\Windows\System32\sc.exe" create SecureElementDataSrv binpath= "C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe delected"
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2660
- - C:\Windows\SysWOW64\sc.exe
    "C:\Windows\System32\sc.exe" start SecureElementDataSrv
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2668

C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe
"C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe" delected
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

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:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe

Filesize
36KB

MD5
4f6d5d0ba1aa54880f1bcce5ed4858a4

SHA1
06d7f2150ebe20a6c3a0e65a46459b5fe2e9ceb2

SHA256
1cc21e3bbfc910ff2ceb8e63641582bdcca3e479029aa425c55aa346830c6c72

SHA512
fa78f6a16ded41d10bf5a09bfc849452b21e9f0b9d9fe29e9162811aae5912264bf117f30cf2dfd443fa073b925e999ba484ecb6f38b7d8a0f05d839ee40792f

Download Submit
memory/1440-19-0x0000000001150000-0x0000000001160000-memory.dmp

Filesize
64KB

Download
memory/1856-0-0x000007FEF66CE000-0x000007FEF66CF000-memory.dmp

Filesize
4KB

Download
memory/1856-1-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

Filesize
9.6MB

Download
memory/1856-2-0x000007FEF66CE000-0x000007FEF66CF000-memory.dmp

Filesize
4KB

Download
memory/1856-3-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

Filesize
9.6MB

Download
memory/1856-11-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

Filesize
9.6MB

Download
memory/2764-12-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2764-13-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

Filesize
64KB

Download
memory/2764-14-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download

Analysis

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