cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 17:11

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General

Target

cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe
Size

69KB
MD5

f4e40459f052d23eea19822461ca2b40
SHA1

70217f5ddf38f7d9e5adfe6939a501fba8dd6642
SHA256

cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76
SHA512

b42d474b2bd2ffb45b9a1ef8020762a0ceecb3d31f60cee0792352858e64e2154c02c9ac4807c06f313d40db5f857555b75cf180727adceb7650ac7d29b5a7b8
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johChPhnhHuF:NAoglOwvl4ulkP6vghzwYu7vih9GueI+

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
324	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
324	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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 324	1720	cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe	30
PID 1720 wrote to memory of 324	1720	cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe	30
PID 1720 wrote to memory of 324	1720	cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe	30
PID 1720 wrote to memory of 324	1720	cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe	30

C:\Users\Admin\AppData\Local\Temp\cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe
"C:\Users\Admin\AppData\Local\Temp\cfcc181a4914e5388e469b5718c07efd5a8aa0c96a7b1be2a2e8dd90cb553b76N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:324

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
69KB

MD5
fbae0e6d271ac97de753f72fa76eeba2

SHA1
86789f4c40094d98e525b92babe31ad53017efb6

SHA256
72fb5d81e446285c5b1b358d678982d6be9b875e36665b90bd25f1b6eceb2254

SHA512
4b4a95f525fcf081b8d6dd1a9e64ae29501cdb80e22d98d9fdec575d1c824e0e2899885d12caf17b65e573855f777eafd5199a4c24e2e2652d54dc7de60f3a85

Download Submit
memory/324-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1720-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1720-3-0x00000000002A0000-0x00000000002AF000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads