4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 12:12

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General

Target

4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe
Size

71KB
MD5

e4fa3a05a90976feb7607fd8f446c400
SHA1

59a91b321e5a0ad51f1ab6418bfaffac13beb34c
SHA256

4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864
SHA512

6645cb9e8a3692805ce15d8aa568a1a66a7c68f1fb1c128d5fdc920789d8bb494af3a337f3198a0f1978929a4ee40d54df0894237762066dda4e4bf3fdd4f45d
SSDEEP

1536:qAo0+j2d6rnJqlIUlizbR9XwzSPamvDsdHgHSIQEvTbWh7MzdPAxHyHfOvwXIfIy:qAoVl4lX8Pvw2PamvDsdHgHSIQEvTbWb

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2720	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.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	4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2720	2756	4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe	30
PID 2756 wrote to memory of 2720	2756	4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe	30
PID 2756 wrote to memory of 2720	2756	4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe	30
PID 2756 wrote to memory of 2720	2756	4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe	30

C:\Users\Admin\AppData\Local\Temp\4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe
"C:\Users\Admin\AppData\Local\Temp\4c39f9adc205ee1c2ca646b5581dc8d33550b5605cf0d706f49c05b0ed39f864N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2720

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
72KB

MD5
e5827301e1aeddc0d8d2f0ce43b950e5

SHA1
d46c5110571c9544c496a20ffcd90ae0636ffc99

SHA256
a708026e1c2894f59798f17a246f37ddfaf436f3e54653e005f276b099a6691a

SHA512
179c435117d33f76f7c883015d560a5c50dc6bf0ad076da8075ab52965554df187d4eb72a369035e04aec6f45d8204016302ee429697423be6fa449c7af8ec03

Download Submit
memory/2720-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2720-9-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2756-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads