d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 20:10

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General

Target

d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe
Size

66KB
MD5

0c15238fca0edfa1e61dacf67fcb02d0
SHA1

585aacd04644d5489b2ab7a60f5ad52352ff71d3
SHA256

d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739
SHA512

cda9a3e9ed5f73c89ec4121ddfe72ff8d7f4d710cc9c17414842fdbeaa6d3a6418b7c0d55d23f05e50a401fccd20bdcccda04ade3215e5dfbe7f1dacfecaaef8
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDhNIyHc:lAo1lOwvlKlXBP6v8tvGE9UHrSdghj89

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2700	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.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	d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2700	2136	d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe	30
PID 2136 wrote to memory of 2700	2136	d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe	30
PID 2136 wrote to memory of 2700	2136	d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe	30
PID 2136 wrote to memory of 2700	2136	d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe	30

C:\Users\Admin\AppData\Local\Temp\d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe
"C:\Users\Admin\AppData\Local\Temp\d1f79d3a85f4236ec6b8a5ab11deb507a4b1e91424d6099ce31d35cb47254739N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2700

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
67KB

MD5
e193ef11cad4493d27e12fd5c8a0826d

SHA1
03229de5fbda3ebe7585d55edd5fc68a0eb49ec3

SHA256
1adca2a66cb566e5150f22296029ec42ae756285cda2be448a83a64523af6250

SHA512
baa1ee6e6600eedca5a8dd702fda7f5d64330476469d20846c40f82e852e871af4e77e027281102ef482b6de5d6ef8e1bd00ea5c1b30191983f5ea95d3735f32

Download Submit
memory/2136-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2136-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2700-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads