0c921aeeb333e503350950bf6c3c1b9467073a9654cbfea511db0dcf374f3433

Analysis

max time kernel
119s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 21:38

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General

Target

927c8eb620aba9c0cfaf5c5edae95da0N.exe
Size

38KB
MD5

927c8eb620aba9c0cfaf5c5edae95da0
SHA1

78d69fbea18bea55f2574e0f779f16b7fe431785
SHA256

0c921aeeb333e503350950bf6c3c1b9467073a9654cbfea511db0dcf374f3433
SHA512

cec3cbd3f8ee09f8f66fea50deb454cd6ea6a50fe3a5af6e0a1695aa89527b0384ad34f86837ce45e63c832c2b6b8d887ce0bc770517728f1e396706272cb704
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/u:e6q10k0EFjed6rqJ+6vghzwYu7vih9G1

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4716	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4716	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	927c8eb620aba9c0cfaf5c5edae95da0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	927c8eb620aba9c0cfaf5c5edae95da0N.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	927c8eb620aba9c0cfaf5c5edae95da0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 4716	2936	927c8eb620aba9c0cfaf5c5edae95da0N.exe	83
PID 2936 wrote to memory of 4716	2936	927c8eb620aba9c0cfaf5c5edae95da0N.exe	83
PID 2936 wrote to memory of 4716	2936	927c8eb620aba9c0cfaf5c5edae95da0N.exe	83

C:\Users\Admin\AppData\Local\Temp\927c8eb620aba9c0cfaf5c5edae95da0N.exe
"C:\Users\Admin\AppData\Local\Temp\927c8eb620aba9c0cfaf5c5edae95da0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:4716

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
38KB

MD5
14027bef28fe015f9d9d611f66124de7

SHA1
228afd86932fb0d74e8a65438da96ca9d422e72c

SHA256
013b58ccdf82a4aae842ebb7a8fb434cb8a47c2a87bac9f17ff667651801bf00

SHA512
6165fc500b70a62fda1733179406fb8f36c9233e6f13f2cdf49868f16a22dbb99dd6b7adeca5c40fec7496343f53ac368f2158a0713adc60771a2b1d6f78dd7f

Download Submit
memory/2936-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2936-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4716-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads