35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 15:52

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General

Target

35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe
Size

53KB
MD5

f2690890b5e7c749a16e734cdbbdce00
SHA1

1d439f1acbd6a5f2884787e3d3e221377d62dd51
SHA256

35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153
SHA512

328eafcb645331bf02d1fe1048a309abbad9475ee3a50a9ed75c56e7e1070a6077bbf5339aa16ca799702e12b0c5579312a054b46d144cbcde3f657337dedb3c
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIm:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVU

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2540	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.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	35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 2540	940	35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe	31
PID 940 wrote to memory of 2540	940	35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe	31
PID 940 wrote to memory of 2540	940	35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe	31
PID 940 wrote to memory of 2540	940	35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe	31

C:\Users\Admin\AppData\Local\Temp\35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe
"C:\Users\Admin\AppData\Local\Temp\35f1a1d2a07cf8e2b6ddbda97cc46f23f19c576c49fce088663e6e4cb039d153N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2540

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
d85d9a3901619384ace7d304ae91ffb6

SHA1
5b195782a0334311388b074bb28ba14a3eda84de

SHA256
62509da5151966695626b1c8f9c289a6a574ffc4d582a3185505f7c24416f5eb

SHA512
b2eb303e49ffa429d9619e9a1bb6aae415241e1ce9b670ea5b3192125cfc50102aea6b3b9c27cbcc0ad1354429c6cc6baa44686bec66e3a26d5786f35805e11b

Download Submit
memory/940-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/940-6-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/940-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2540-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2540-11-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads