870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7df

Analysis

max time kernel
119s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 21:36

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General

Target

870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe
Size

69KB
MD5

ad28d70d7fa01efac2055c1077f91940
SHA1

7803d082150c68947fafe941638835875581ca24
SHA256

870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7df
SHA512

d3d941d75a3a9b9e7484a102ee688e379de4a72b00a76450c5325b032903ae0889ccbd03c41f1414e6296ad4578cced53828a14568fa206b769149dd3cbbca75
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyh5:NAoglOwvl4ulkP6vghzwYu7vih9GueI+

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3112	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3112	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3112	4988	870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe	83
PID 4988 wrote to memory of 3112	4988	870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe	83
PID 4988 wrote to memory of 3112	4988	870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe	83

C:\Users\Admin\AppData\Local\Temp\870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe
"C:\Users\Admin\AppData\Local\Temp\870f928c05c0ba94bacbb3196bb341f80cf6edad8d42b7ec8cc540958a27f7dfN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:3112

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
70KB

MD5
db3f9f0b4f73cab537f91a84046c97d4

SHA1
3f9137f3de4d36c6a86b40490fc88c16d83aad2f

SHA256
5fded6f5ee3f8eff813fee1806468110eac60e93e01f089d97f412d196d3efdb

SHA512
723c8e229a9de5640e1c06c6610150b01b1cbb71d0eece89a7b47b25669d82e68f9a032db1cb2bab684b09d18b171f2487c4704c6c0ceb876fcbef9e4d363c70

Download Submit
memory/3112-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4988-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4988-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads