49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688

Analysis

max time kernel
119s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 08:39

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General

Target

49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe
Size

68KB
MD5

34144c5c9cfbcc9b67cf29d4dde034c0
SHA1

a2fefe70ce00a3ff347ece28aeb03c67e78d82c9
SHA256

49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688
SHA512

7af85e6f9ca3cb178b987fa82e1c98f5d3e35b4d5da6e8c4738912bb3557a0d508df1daccc894b48f866c7a3f4982a6f0ec52c2728ca33d408bfe339a0e43629
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKv8H8hpQc:NAoglOwvl4ulkP6vghzwYu7vih9GueIq

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2396	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.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	49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 2396	4724	49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe	85
PID 4724 wrote to memory of 2396	4724	49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe	85
PID 4724 wrote to memory of 2396	4724	49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe	85

C:\Users\Admin\AppData\Local\Temp\49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe
"C:\Users\Admin\AppData\Local\Temp\49f94189288ffa409388e0e62ccb057da9fa051254d2e2765810908ba8b03688N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4724
- 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:2396

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
68KB

MD5
bd12ebfa5132c8ded4b8ff6969335f1a

SHA1
7073d7601187485cee451c70d0bad500229e1f5e

SHA256
f28e4699ed678267193d19312d1cb5bcb14252b11e8ed513a745497684ff2a55

SHA512
76d7ce7f75bef5da2e189d3a12c5d0411840e5d896f492fc4b41d0441e0ee9bdbfea51e27a239b1eaa6d471d2d59abe207a9c0a00b1d37119f622ed14927fc15

Download Submit
memory/2396-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4724-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4724-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads