71a68898c1cf8e39c22b6f0fcbb44bb27b68c6d94ee1b870dcbe4df9558ac29e

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 07:36

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General

Target

79b76d5ac631d08d02c070159b1aeee0N.exe
Size

35KB
MD5

79b76d5ac631d08d02c070159b1aeee0
SHA1

3d69c6f0067bdf92b69ae66e2c8fa379f693c1be
SHA256

71a68898c1cf8e39c22b6f0fcbb44bb27b68c6d94ee1b870dcbe4df9558ac29e
SHA512

902ef4377e263676edbe7e00abf259ad26dbf4ca155307deb69cc23906be22ec5efb1012c843ca0b815dee2d1907b89d11a7e991632168d545aa67792bf51a22
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/a:e6q10k0EFjed6rqJ+6vghzwYu7vih9GB

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2404	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2404	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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	79b76d5ac631d08d02c070159b1aeee0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	79b76d5ac631d08d02c070159b1aeee0N.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	79b76d5ac631d08d02c070159b1aeee0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2404	2660	79b76d5ac631d08d02c070159b1aeee0N.exe	30
PID 2660 wrote to memory of 2404	2660	79b76d5ac631d08d02c070159b1aeee0N.exe	30
PID 2660 wrote to memory of 2404	2660	79b76d5ac631d08d02c070159b1aeee0N.exe	30
PID 2660 wrote to memory of 2404	2660	79b76d5ac631d08d02c070159b1aeee0N.exe	30

C:\Users\Admin\AppData\Local\Temp\79b76d5ac631d08d02c070159b1aeee0N.exe
"C:\Users\Admin\AppData\Local\Temp\79b76d5ac631d08d02c070159b1aeee0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2404

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
35KB

MD5
67cf26bdbfc238c8fc5828c1dc0e6ae5

SHA1
1a66a9cf485b0715c92381ee861453a60d126e64

SHA256
6e2d834e4dc7589883f5f25e28d42e04892539a0ffaf2c963a3f43585fefa7de

SHA512
a0ffd7b0ede19d36c161fc3f02fafcb3e5d26a1138b0662e05a0a842914499d819fdfb4deaa3f8a9df9ee38d92aba0527b10e0d027d755568797b9a2dfa22281

Download Submit
memory/2404-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2404-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2660-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2660-7-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/2660-12-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads