f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272bef

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:28

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General

Target

f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe
Size

63KB
MD5

ac2a4fb721f8d6f8410d55279a3aa850
SHA1

f884789a3f8e35e2eda0c9dd4d62c8adb146b292
SHA256

f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272bef
SHA512

1b8ccb787517887825d528953b9a8b22340d87e23510a2bd6118ca3fe66a26477147f7d0eb768ab95225cbaae39993a21e6043bc91637740f886645e937a2acc
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uZd7ZYht:lAo1lOwvlKlXBP6vghzwYu7vih9GueI7

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2732	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2732	3012	f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe	30
PID 3012 wrote to memory of 2732	3012	f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe	30
PID 3012 wrote to memory of 2732	3012	f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe	30
PID 3012 wrote to memory of 2732	3012	f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe	30

C:\Users\Admin\AppData\Local\Temp\f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe
"C:\Users\Admin\AppData\Local\Temp\f1839a930b59c25c1a021680da9855937daa7a5ff24221899ad597d16b272befN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2732

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
64KB

MD5
e7e1637f68340e5614e0e2ca6b48ad82

SHA1
79592673c2d9c0b9f20ce80dd7078f3656fcb497

SHA256
714bc3516d3d98489e1ddb07f21306ad470bd8e44e6ca5b52d4031009090239e

SHA512
4893d6fea46787e290a8a0b0425d52b0cea267552d3a0000949320764cdf8f6c89fa51875db8c6c04682f4e653966d67b74334257cda755b0fffee7f37bd7d69

Download Submit
memory/2732-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2732-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3012-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3012-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads