534db99225f5e54585b1836fd6ee11d7d73a901f49c955548ff148d859620674

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 14:01

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General

Target

115c35d2f6204549cb6974ef8d266190N.exe
Size

42KB
MD5

115c35d2f6204549cb6974ef8d266190
SHA1

cbefd1e0b767a0b3abb7c35a96570c539497eede
SHA256

534db99225f5e54585b1836fd6ee11d7d73a901f49c955548ff148d859620674
SHA512

df00379a7fc6f1da8115590eac34b39b75ffe148f7a469dd52b4293bf10f17c2ba7331afbb905771108d6ed4008ae7e28c3a61a1ad2f43fd9abefccbb2965e81
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhU:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY0

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2536	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2536	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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	115c35d2f6204549cb6974ef8d266190N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	115c35d2f6204549cb6974ef8d266190N.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	115c35d2f6204549cb6974ef8d266190N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2536	1984	115c35d2f6204549cb6974ef8d266190N.exe	30
PID 1984 wrote to memory of 2536	1984	115c35d2f6204549cb6974ef8d266190N.exe	30
PID 1984 wrote to memory of 2536	1984	115c35d2f6204549cb6974ef8d266190N.exe	30
PID 1984 wrote to memory of 2536	1984	115c35d2f6204549cb6974ef8d266190N.exe	30

C:\Users\Admin\AppData\Local\Temp\115c35d2f6204549cb6974ef8d266190N.exe
"C:\Users\Admin\AppData\Local\Temp\115c35d2f6204549cb6974ef8d266190N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2536

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
43KB

MD5
fcf865b6c6ff964be5c9fbc0f7dc9c1e

SHA1
3461e3bd0f3b0169880a3fc49bf0894b119e6799

SHA256
2c35d939676e1a216d8580f9f7b23ac350fb97daa1c25c66de6ee07655bb55eb

SHA512
23f0a53e7403910d5c11e4197a574d189e498c2f65d0f89a9e10b93a5a49957f144c6a4543694a9222bb6c03fdbc00590821beca5ef1577fb1c11ccd1718cb3e

Download Submit
memory/1984-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1984-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2536-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads