cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fce

Analysis

max time kernel
118s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:09

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General

Target

cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe
Size

39KB
MD5

4aad9e744fb81d03abe98237220e9200
SHA1

2c861ffcdd43783613737b0062fb5c216d69239b
SHA256

cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fce
SHA512

4754bfc91a5f1e62d6d2f1cb3b2fd507fb129e442ba40a312203324014ce525490a3c8aa19871fcd22e3afcd37be615e6ff7972e087e10cae9e5a28f03bc51cd
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6Iz:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gn

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4236	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4236	microsofthelp.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\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 4236	1732	cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe	84
PID 1732 wrote to memory of 4236	1732	cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe	84
PID 1732 wrote to memory of 4236	1732	cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe	84

C:\Users\Admin\AppData\Local\Temp\cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe
"C:\Users\Admin\AppData\Local\Temp\cb06f663a800f888fc11ec0f79c25b0f65bdff59dd16953a2c4525b4aca37fceN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
39KB

MD5
c8409c1b67360498e1043bde28e7beae

SHA1
8db0cbf20d002cb6ea2594f5d33ffefbf37a2ef2

SHA256
e681f59333d87dc1c55b9d675444f5786f1f47a556171afa43dc2b1dc30ff27b

SHA512
03625c48819f45993dae130913c0bbd20e214d8bd8333ecd528916e333c180020f31dfc17811a557ff4cfdf4c9836096da862425fe0779e9eb9333feee64c96f

Download Submit
memory/1732-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1732-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4236-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads