c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7b

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 01:28

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General

Target

c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe
Size

58KB
MD5

9e8008e31e93bc6fca16e5852f36b610
SHA1

50b5055a4c81b7c6bd57dc0033af0966bc88c480
SHA256

c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7b
SHA512

eec451b91cc7fd1c3f9eab8bad5b4ff711479d4ad5d4e185f447eb5eec56c21f0a9ef5099f9e034b7de7a05dd449f8bbf5599343bc45210ce3459ee4ec57f6ab
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIp:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVb

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2768	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.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	c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2768	2116	c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe	30
PID 2116 wrote to memory of 2768	2116	c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe	30
PID 2116 wrote to memory of 2768	2116	c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe	30
PID 2116 wrote to memory of 2768	2116	c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe	30

C:\Users\Admin\AppData\Local\Temp\c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe
"C:\Users\Admin\AppData\Local\Temp\c83dd4dbc45f0265b14a7913fc3402c842cd5389c0d6daf7b069e6c5522afc7bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2768

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
58KB

MD5
9b4bcd8905aab1968c91e5be635add48

SHA1
0b029a83779a217927d4eb033d06f31fe603a3d2

SHA256
f89850071720bbf89ecb967253e40afbfd50d870f622de1fbafd536fe24ae6e3

SHA512
3e4783f5d2aa4a0023640825917eb984958b477b27105c29831e44b1571e925ae370bff619a592f00e0480ec6252d73b6c1e5474c1f06f2b9a0e3940d9412c5d

Download Submit
memory/2116-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2116-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2768-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads