2f1c170805f4cff1e17c6df366ecb73897f3064733d72dde24e688935c0d6313

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 14:13

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General

Target

19b23a45c94e919648b8a24d9b05a590N.exe
Size

38KB
MD5

19b23a45c94e919648b8a24d9b05a590
SHA1

251254472e806576e4d3a8735d3e9fada88aba09
SHA256

2f1c170805f4cff1e17c6df366ecb73897f3064733d72dde24e688935c0d6313
SHA512

4fa81fa28576a544811925cf474dc17a95b3d4491bba6674b84fa383dacefab32feece39aca3b0db135de691fe16b1af19ea926bf4830f577a9faf3f5f870d95
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhR:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYx

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
828	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
828	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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	19b23a45c94e919648b8a24d9b05a590N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	19b23a45c94e919648b8a24d9b05a590N.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	19b23a45c94e919648b8a24d9b05a590N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 828	1656	19b23a45c94e919648b8a24d9b05a590N.exe	31
PID 1656 wrote to memory of 828	1656	19b23a45c94e919648b8a24d9b05a590N.exe	31
PID 1656 wrote to memory of 828	1656	19b23a45c94e919648b8a24d9b05a590N.exe	31
PID 1656 wrote to memory of 828	1656	19b23a45c94e919648b8a24d9b05a590N.exe	31

C:\Users\Admin\AppData\Local\Temp\19b23a45c94e919648b8a24d9b05a590N.exe
"C:\Users\Admin\AppData\Local\Temp\19b23a45c94e919648b8a24d9b05a590N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:828

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
39KB

MD5
bc030b1ce722acb83ccf8b4b71961fb4

SHA1
8afc56d9f4eca35d39a6a91e892c3cf84109c7c1

SHA256
6bcd4e3e708d3483524f121f02d2bc6ce0546176850362cce1a5dd4cab74ce1a

SHA512
d87b85fd9c8ba18b2ec4402167d1550fbd3bbba26b95cd0a598d61a9ef3ec79d562f34317b48b3bb5303e92844722764b99e41296118a89f9d1f69ca5de2b493

Download Submit
memory/828-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1656-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1656-3-0x00000000001B0000-0x00000000001B3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads