dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b

General

Target

dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
Size

685KB
MD5

67a61a5b722dd63bbe160c472b845e1a
SHA1

1490776613fd477ef1812ef5d620b9e4867f390a
SHA256

dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b
SHA512

ea4fce6129277fcb96309d49a08e2ae16489ec0bd75e2d5dc6413be80fefbd97581c924726a00ebd81e67041328db11fd3bca4d2374142b3b86e90a725c42c7b
SSDEEP

12288:3Z8nkF9oy1ADvMKdhAS0jjLz7hoo3RpEcvALALdt/xBot/FcEic/3IWVscSfVo8s:3Z8nkF9oySiLz72ooSru/so3V9xmA0k

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\service.exe"	service.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe

Executes dropped EXE 2 IoCs

pid	Process
4660	service.exe
3440	service.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Service Application = "C:\\Windows\\service.exe"	service.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1512 set thread context of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 4660 set thread context of 3440	4660	service.exe	88

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\service.exe	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
File opened for modification	C:\Windows\service.exe	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
File created	C:\Windows\service.exe	service.exe
File opened for modification	C:\Windows\service.exe	service.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	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service.exe

Checks processor information in registry 2 TTPs 4 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	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	service.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	service.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 1512 wrote to memory of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 1512 wrote to memory of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 1512 wrote to memory of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 1512 wrote to memory of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 1512 wrote to memory of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 1512 wrote to memory of 1108	1512	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	82
PID 1108 wrote to memory of 3424	1108	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	85
PID 1108 wrote to memory of 3424	1108	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	85
PID 1108 wrote to memory of 3424	1108	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	85
PID 1108 wrote to memory of 4660	1108	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	87
PID 1108 wrote to memory of 4660	1108	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	87
PID 1108 wrote to memory of 4660	1108	dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe	87
PID 4660 wrote to memory of 3440	4660	service.exe	88
PID 4660 wrote to memory of 3440	4660	service.exe	88
PID 4660 wrote to memory of 3440	4660	service.exe	88
PID 4660 wrote to memory of 3440	4660	service.exe	88
PID 4660 wrote to memory of 3440	4660	service.exe	88
PID 4660 wrote to memory of 3440	4660	service.exe	88
PID 4660 wrote to memory of 3440	4660	service.exe	88

C:\Users\Admin\AppData\Local\Temp\dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
"C:\Users\Admin\AppData\Local\Temp\dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Users\Admin\AppData\Local\Temp\dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe
  "C:\Users\Admin\AppData\Local\Temp\dd7f06cb4111b824be896e9065b5e1d1297c9e0096ac22f8200f9e1dff8f545b.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\remove37251.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3424
- - C:\Windows\service.exe
    "C:\Windows\service.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4660
  - - C:\Windows\service.exe
      "C:\Windows\service.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      PID:3440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\remove37251.bat

Filesize
267B

MD5
069a41c368782098ed3231fb21b1bf6a

SHA1
588c355e4b622e6f996585539028400da3c928d3

SHA256
6af02d1e17de464995a473da5e9c9a9be554b4ac1b95c59d2ea2feb6d836fe3b

SHA512
cd62e817b2d5366ca1a9f2ff89f6a481e8c9c00b371f0d23e9df58d11e453c7b731ac2fdd079697e2a434a0e2049fbfec919643838191e9844fd904601c86373

Download Submit
C:\Users\Admin\AppData\Local\Temp\shell32.dll

Filesize
51B

MD5
47a8ba1ac93ed45a6c0730f839996ebe

SHA1
cb866994aae108d550d8e86de8f72113385ea013

SHA256
ad13a0f3f6c294009c8909aa19cb7a0b92e4cc8a39345a004cfdf0edd51b5f9e

SHA512
bdd6d1897495836b837b570add6d8a28a81dc9d67524af966d77e4c074e771628de4a7e2147c6a40336276cf03cd4014a91c461cc409f96fed0ca5ec425bb8cc

Download Submit
C:\Windows\service.exe

Filesize
685KB

MD5
88cac67992db52e1ff9cc0f1eeb8c060

SHA1
d32239f371bce1f617db0a54002f1bc8ea17f0af

SHA256
6641041b6187d2515f5c65c80a245763d063dfa1919d1ced2715e0f80c6498b5

SHA512
95bf8d72378fc60fe15dd97dfffc5636b36e6ae52599a227c0a2bfad91807f666c67db7077a4af6af9270d36e5dcd46408b650fa61d0dca149605a2eb0742731

Download Submit
memory/1108-50-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1108-4-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1108-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1108-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1512-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3440-54-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3440-56-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3440-58-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3440-59-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3440-60-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4660-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads