61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3b

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 12:25

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General

Target

61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe
Size

53KB
MD5

2fbb4ca64800fa455d1c065660cc8790
SHA1

09d1be7791dba10ea741d87ff6480e9096f7c370
SHA256

61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3b
SHA512

ce0d5e212236cd696cf953f2cb407fb80d092dedc921d5b440fe86c0c05d418a95e780317640a3768db994cbf76fae0442ae28a6e1941796a9eb7c52f58c2c28
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIv:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVp

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2488	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2488	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.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	61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2488	1680	61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe	30
PID 1680 wrote to memory of 2488	1680	61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe	30
PID 1680 wrote to memory of 2488	1680	61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe	30
PID 1680 wrote to memory of 2488	1680	61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe	30

C:\Users\Admin\AppData\Local\Temp\61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe
"C:\Users\Admin\AppData\Local\Temp\61f9a67579de7d01be9b69bd254d28b8d540e37b6287337cae596d20e4bd4a3bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2488

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
53KB

MD5
9bc8c3cb276d7005d99715d91a16b409

SHA1
2fec4ba7d5447444761165fd9434fbfc97cde216

SHA256
4234a8f80076036b0d154cbae37ed73521f83e77f0888374ab3df788ec02ae94

SHA512
b168dafd4cec4b3d1b8ce801e6d7edac21ad4ae277d30e29896beb79ccd8d6e6f28456734fe9fbac42f168e02ea691f504d6ef7532f03f15922f079894829b7b

Download Submit
memory/1680-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1680-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2488-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2488-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads