ec1b9472be638c7b4bbfeb67c12cc2575b69ffd632c39a848a538139238a911f

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 02:32

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General

Target

4792e98a14e6989bbab2e0098d08e3c0N.exe
Size

39KB
MD5

4792e98a14e6989bbab2e0098d08e3c0
SHA1

85ae9b20b99f0fd691b1d17d72460f5f623eee95
SHA256

ec1b9472be638c7b4bbfeb67c12cc2575b69ffd632c39a848a538139238a911f
SHA512

12d76af052a808cfdcc8f885da9f119dbe9524a8ed5af6290adaa8b22a30f0ab9666f002cf55a6c1c709c62aa67a8f50897fe7578ef7dd28bf68308d5d1d9f81
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh+:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYe

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1724	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1724	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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4792e98a14e6989bbab2e0098d08e3c0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4792e98a14e6989bbab2e0098d08e3c0N.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	4792e98a14e6989bbab2e0098d08e3c0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1724	1820	4792e98a14e6989bbab2e0098d08e3c0N.exe	30
PID 1820 wrote to memory of 1724	1820	4792e98a14e6989bbab2e0098d08e3c0N.exe	30
PID 1820 wrote to memory of 1724	1820	4792e98a14e6989bbab2e0098d08e3c0N.exe	30
PID 1820 wrote to memory of 1724	1820	4792e98a14e6989bbab2e0098d08e3c0N.exe	30

C:\Users\Admin\AppData\Local\Temp\4792e98a14e6989bbab2e0098d08e3c0N.exe
"C:\Users\Admin\AppData\Local\Temp\4792e98a14e6989bbab2e0098d08e3c0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1724

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
40KB

MD5
32314317dbe8848039850f6e147f5691

SHA1
7f4f66b659decb97aa9f5b8307207217f14b721d

SHA256
fa44bf9d628b8c048884573a347ab6afcdd84d4c011cfbe08a124f24a2ea4d24

SHA512
bbbf5222e8df7d0de64e941fb1b2afa351eeb802778e1b1a9ba47d59f0d0386ce25af31dffa7dd58ac34d9e2ef06630e5d85861f624673f7eb2b896208eeffb4

Download Submit
memory/1724-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1820-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1820-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads