14c1b90863a7e2619d17eefb96b0446634afe6f343432485e1842f5fffc0a7f5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 11:44

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General

Target

c23cc164a5edf0b3403042eb1055f6d0N.exe
Size

41KB
MD5

c23cc164a5edf0b3403042eb1055f6d0
SHA1

2313f3c678cc06c5219e9a51981ecd0008909e3d
SHA256

14c1b90863a7e2619d17eefb96b0446634afe6f343432485e1842f5fffc0a7f5
SHA512

7da1425d62d0c6f665132214b485b46b600392c28aa014dc2518c06c90ada2577cd30af3560a7ed8a3caffb200c6c1f83e8d3529ef34d27abb1a3a5dee9a2c96
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhD:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYj

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2744	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c23cc164a5edf0b3403042eb1055f6d0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c23cc164a5edf0b3403042eb1055f6d0N.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	c23cc164a5edf0b3403042eb1055f6d0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2744	2824	c23cc164a5edf0b3403042eb1055f6d0N.exe	30
PID 2824 wrote to memory of 2744	2824	c23cc164a5edf0b3403042eb1055f6d0N.exe	30
PID 2824 wrote to memory of 2744	2824	c23cc164a5edf0b3403042eb1055f6d0N.exe	30
PID 2824 wrote to memory of 2744	2824	c23cc164a5edf0b3403042eb1055f6d0N.exe	30

C:\Users\Admin\AppData\Local\Temp\c23cc164a5edf0b3403042eb1055f6d0N.exe
"C:\Users\Admin\AppData\Local\Temp\c23cc164a5edf0b3403042eb1055f6d0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2744

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
41KB

MD5
bf2e4d6bfc984dbb5ceca845395c8f15

SHA1
59ffe0d5e4a5f1445f77718b907a92efc8ab1fae

SHA256
1b087ae62a6d6ef7af935eed7a024de4da0a0520b5b49ff76316ba957b3095f7

SHA512
1ee3859bef950d1ec1d0bffbf2f1b6d3ec8045774a108dfdf6d0061d6fbad1b203758b4c8227d9bd4ca85538a200a9f642f5f2b81d6d83759352171587c0e6ac

Download Submit
memory/2744-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2824-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2824-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2824-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads