a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f

General

Target

a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe
Size

155KB
MD5

8f3995a8206087b49c768d11e764f549
SHA1

3b2646b52ce19ef290748b9463c2c6c005c05dae
SHA256

a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f
SHA512

c7a01f936d0906c026e56dfb32f2a975ce43bbfb2c2f2613a2608f2027f37d26623773ddeeac0f1137e5acd4d4ad52c69d056d02ac47fb31ab50f7c59f3487d5
SSDEEP

3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0004000000004ed7-17.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2468	kmnoi.exe

Executes dropped EXE 2 IoCs

pid	Process
2468	kmnoi.exe
608	ndmoyu.exe

Loads dropped DLL 7 IoCs

pid	Process
2100	cmd.exe
2100	cmd.exe
2468	kmnoi.exe
608	ndmoyu.exe
608	ndmoyu.exe
608	ndmoyu.exe
608	ndmoyu.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\zkwcx\\ndmoyu.exe \"c:\\Program Files\\zkwcx\\ndmoyu.dll\",SetHandle"	ndmoyu.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\j:	ndmoyu.exe
File opened (read-only)	\??\k:	ndmoyu.exe
File opened (read-only)	\??\a:	ndmoyu.exe
File opened (read-only)	\??\g:	ndmoyu.exe
File opened (read-only)	\??\y:	ndmoyu.exe
File opened (read-only)	\??\m:	ndmoyu.exe
File opened (read-only)	\??\n:	ndmoyu.exe
File opened (read-only)	\??\o:	ndmoyu.exe
File opened (read-only)	\??\p:	ndmoyu.exe
File opened (read-only)	\??\r:	ndmoyu.exe
File opened (read-only)	\??\t:	ndmoyu.exe
File opened (read-only)	\??\e:	ndmoyu.exe
File opened (read-only)	\??\i:	ndmoyu.exe
File opened (read-only)	\??\z:	ndmoyu.exe
File opened (read-only)	\??\w:	ndmoyu.exe
File opened (read-only)	\??\x:	ndmoyu.exe
File opened (read-only)	\??\l:	ndmoyu.exe
File opened (read-only)	\??\q:	ndmoyu.exe
File opened (read-only)	\??\s:	ndmoyu.exe
File opened (read-only)	\??\u:	ndmoyu.exe
File opened (read-only)	\??\v:	ndmoyu.exe
File opened (read-only)	\??\b:	ndmoyu.exe
File opened (read-only)	\??\h:	ndmoyu.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	ndmoyu.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\zkwcx\ndmoyu.exe	kmnoi.exe
File opened for modification	\??\c:\Program Files\zkwcx\ndmoyu.exe	kmnoi.exe
File opened for modification	\??\c:\Program Files\zkwcx	kmnoi.exe
File created	\??\c:\Program Files\zkwcx\ndmoyu.dll	kmnoi.exe

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kmnoi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ndmoyu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.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
2248	PING.EXE
2100	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ndmoyu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ndmoyu.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2248	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
608	ndmoyu.exe
608	ndmoyu.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	608	ndmoyu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe
2468	kmnoi.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2100	2488	a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe	31
PID 2488 wrote to memory of 2100	2488	a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe	31
PID 2488 wrote to memory of 2100	2488	a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe	31
PID 2488 wrote to memory of 2100	2488	a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe	31
PID 2100 wrote to memory of 2248	2100	cmd.exe	33
PID 2100 wrote to memory of 2248	2100	cmd.exe	33
PID 2100 wrote to memory of 2248	2100	cmd.exe	33
PID 2100 wrote to memory of 2248	2100	cmd.exe	33
PID 2100 wrote to memory of 2468	2100	cmd.exe	34
PID 2100 wrote to memory of 2468	2100	cmd.exe	34
PID 2100 wrote to memory of 2468	2100	cmd.exe	34
PID 2100 wrote to memory of 2468	2100	cmd.exe	34
PID 2468 wrote to memory of 608	2468	kmnoi.exe	35
PID 2468 wrote to memory of 608	2468	kmnoi.exe	35
PID 2468 wrote to memory of 608	2468	kmnoi.exe	35
PID 2468 wrote to memory of 608	2468	kmnoi.exe	35

C:\Users\Admin\AppData\Local\Temp\a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe
"C:\Users\Admin\AppData\Local\Temp\a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\kmnoi.exe "C:\Users\Admin\AppData\Local\Temp\a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2248
- - C:\Users\Admin\AppData\Local\Temp\kmnoi.exe
    C:\Users\Admin\AppData\Local\Temp\\kmnoi.exe "C:\Users\Admin\AppData\Local\Temp\a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2468
  - - \??\c:\Program Files\zkwcx\ndmoyu.exe
      "c:\Program Files\zkwcx\ndmoyu.exe" "c:\Program Files\zkwcx\ndmoyu.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\kmnoi.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

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

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\??\c:\Program Files\zkwcx\ndmoyu.dll

Filesize
128KB

MD5
1d85ef25e7a8dd2822fa5bebe3eaeece

SHA1
13198940ff1e28a074d899cc9f6d30502e2c1bfe

SHA256
d7b04d679e1c064b9648e471b509052764af0a3bde7a8be6ff46147b27328fa6

SHA512
454e883da0ac9b78aa30cefc6985dd0e01432bd6de7bdf6fec958405ba21195df962c0f86af5fffe839764c77e91300a453e9967895be6973411649cb94dd873

Download Submit
\Program Files\zkwcx\ndmoyu.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\kmnoi.exe

Filesize
155KB

MD5
8f3995a8206087b49c768d11e764f549

SHA1
3b2646b52ce19ef290748b9463c2c6c005c05dae

SHA256
a636883703bd364b2c9b69d6ed619036b88ed58355c77ed9ab50a207b0b4cc6f

SHA512
c7a01f936d0906c026e56dfb32f2a975ce43bbfb2c2f2613a2608f2027f37d26623773ddeeac0f1137e5acd4d4ad52c69d056d02ac47fb31ab50f7c59f3487d5

Download Submit
memory/608-24-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/608-31-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/608-30-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/608-25-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/608-23-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2100-7-0x00000000003E0000-0x0000000000410000-memory.dmp

Filesize
192KB

Download
memory/2100-6-0x00000000003E0000-0x0000000000410000-memory.dmp

Filesize
192KB

Download
memory/2468-16-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/2488-0-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/2488-2-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads