189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7

Analysis

max time kernel
149s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 19:02

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General

Target

189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe
Size

61KB
MD5

09ead8a0c66d0a0bc9f25be887a5cfb3
SHA1

719da436db4865925c5648568b3f97919c5545c7
SHA256

189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7
SHA512

bfca3afe495f23b026d2ae3a7e3999b5224a839062a0fd359d768526beaf1db18a1ac37acd3dc556bc710fb34536c0343dc45e8fc7e35cf5bf271609e2b4868c
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIP:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVx

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
112	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
112	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"	189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.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	189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 112	904	189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe	29
PID 904 wrote to memory of 112	904	189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe	29
PID 904 wrote to memory of 112	904	189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe	29
PID 904 wrote to memory of 112	904	189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe	29

C:\Users\Admin\AppData\Local\Temp\189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe
"C:\Users\Admin\AppData\Local\Temp\189dd6a3b9ae0902c653782ff88f0ed16abecb52ded6759f334f3e6606d00bf7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:112

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
62KB

MD5
8b570aee45a1a72461061d631552bcf0

SHA1
ac4758f71f07b95cb99f047e466936d3629f4840

SHA256
8ab65d342024b3c511ca19250fcf40a5f8e6ca0161e875b0c266211677571b7a

SHA512
0abcd64872e751b8ad2a5baa7f0265f6c7ccca29487b702709078dbab212375fd69939dc190cc248ac0a3aadba8179dc18dcd617e72a8bbd0a80177a6e654875

Download Submit
memory/112-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/112-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/904-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/904-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads