e71663b12c7dd298bff6c22b70da027bebaba05175b6c1497c238eaa62e28454

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 20:33

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General

Target

1d5b9d72ceb4683e93b12c3cedfb55c0N.exe
Size

37KB
MD5

1d5b9d72ceb4683e93b12c3cedfb55c0
SHA1

ca3f08c9d00d8f06602f9496b00685fd774e1fe8
SHA256

e71663b12c7dd298bff6c22b70da027bebaba05175b6c1497c238eaa62e28454
SHA512

eef84ac57f83eabffd10093a29a00fbc7058d451deb0ff5e3520309390e108ca4ba63d1d1e8d69a3f8a2afabf91de15e76ffc34c0abf7e489a8050c0e56db67b
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkcw:e6q10k0EFjed6rqJ+6vghzwYu7vih9GN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2792	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	1d5b9d72ceb4683e93b12c3cedfb55c0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	1d5b9d72ceb4683e93b12c3cedfb55c0N.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	1d5b9d72ceb4683e93b12c3cedfb55c0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2792	1064	1d5b9d72ceb4683e93b12c3cedfb55c0N.exe	30
PID 1064 wrote to memory of 2792	1064	1d5b9d72ceb4683e93b12c3cedfb55c0N.exe	30
PID 1064 wrote to memory of 2792	1064	1d5b9d72ceb4683e93b12c3cedfb55c0N.exe	30
PID 1064 wrote to memory of 2792	1064	1d5b9d72ceb4683e93b12c3cedfb55c0N.exe	30

C:\Users\Admin\AppData\Local\Temp\1d5b9d72ceb4683e93b12c3cedfb55c0N.exe
"C:\Users\Admin\AppData\Local\Temp\1d5b9d72ceb4683e93b12c3cedfb55c0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2792

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
37KB

MD5
5fe7ef8416e341dfbcec7e5110284bd9

SHA1
a5bbfe423f8977ee4e6db0ba901b4fb85a400973

SHA256
3fde0575c0d0e9ec792dda0f57669bdfc6ee7145e91f304df230e84dcf712f98

SHA512
19cde0469e3c15c73128261f31a52ada4d53bb9ea1e78288457f4c4a437c50498501b549395248d1b9134ab8e60bfa7b4a7e2822e422b55025cf94bc60da48b9

Download Submit
memory/1064-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1064-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2792-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2792-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads