9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 03:42

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General

Target

9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe
Size

53KB
MD5

e66a1339d3073f36e178bd556550266f
SHA1

a735aab028bf59a69713ada4a2d842206e3b5096
SHA256

9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024
SHA512

2d9d4f639021036f559cf8731f3dbd71da352902e0b949d28a5900423e65acdc1f647b943fb135ace39b8b0de4478280758e0b8edd795ab0c8202a76658942dc
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIy:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVs

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2648	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2648	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"	9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.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	9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2648	2848	9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe	31
PID 2848 wrote to memory of 2648	2848	9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe	31
PID 2848 wrote to memory of 2648	2848	9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe	31
PID 2848 wrote to memory of 2648	2848	9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe	31

C:\Users\Admin\AppData\Local\Temp\9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe
"C:\Users\Admin\AppData\Local\Temp\9639f330884bb3da0f37a73d005e19216ddb0d05adbdf6c3ee7cc97571d43024.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2648

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
594521fa48727b327f409a8436cb56f6

SHA1
83fabc9f2b95227daf113eec189054da754f2ea6

SHA256
a417896a25e9bce688fa0e617dcb2b781536dec4d8443b1131c041856fe6cb57

SHA512
da975d1728d63dca0c1a179748972a07a66262ef0b3a1d5d2b501680554307cb13aeab5a0508732b2f0e1d6d4d5b062a1b9f426e7f1feb1b8319b1fb24a525e6

Download Submit
memory/2648-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2648-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2848-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2848-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads