06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363

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
01/10/2024, 16:40

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General

Target

06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe
Size

44KB
MD5

e8dc40eb5089b651086d4314e9bd29e0
SHA1

cab56be96607eb31155a454e825857dff75e5f3c
SHA256

06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363
SHA512

32341bcf773e3c3719989a169621aac97b395628bcc1416720c9aef6150e1ef42fc9cb64ae3ff2341e41887454809a06c866645e5afdd02bd770d3c678fef91d
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhJ:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYp

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2340	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2340	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.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	06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2340	2028	06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe	31
PID 2028 wrote to memory of 2340	2028	06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe	31
PID 2028 wrote to memory of 2340	2028	06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe	31
PID 2028 wrote to memory of 2340	2028	06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe	31

C:\Users\Admin\AppData\Local\Temp\06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe
"C:\Users\Admin\AppData\Local\Temp\06c71981f2d91371b8d6d6afa2f0e8470bc798b38d45a4832ba491dc54769363N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2340

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
45KB

MD5
52cf1c030c9e31f5300025d2974416eb

SHA1
ef8de96314ae0973f6c75bd6bd734669d0554877

SHA256
11cebaebc166f8ae7912c9050abe9453bbdf754e887c48e3c2472b0e36f2bf05

SHA512
80c75dce1d67d7705d17c5878793c415424c5ade620db36529f2020019831a60788dd8bb11568402fca07473c10ec27ae7512f4cad3fe5367785f7616ec2e1af

Download Submit
memory/2028-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2028-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2340-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads