3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 21:19

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General

Target

3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe
Size

29KB
MD5

0cb66e56fb85d55970232ba1f4dcaeb0
SHA1

5f963f822722573cd2ad3264340e72c0263decca
SHA256

3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e
SHA512

8117dd91805a80f6f815b8c42cc479f002eb62a68208766a150f7c07f0b431083fea341c09fe60de4b9af0c1f9d9f70b8942054d33ed29188ecd6ad6e74227bc
SSDEEP

768:/qPJtUA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKhJJhgcH:/q0A6C1VqaqhtgVRNToV7TtRu8rM0wYs

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

1044 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

1044 microsofthelp.exe

pid	process
1044	microsofthelp.exe

pid	process
1044	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe

Drops file in Windows directory 1 IoCs

Processes:

3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe

description ioc process

File created C:\Windows\microsofthelp.exe 3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe

description	pid	process	target process
PID 2184 wrote to memory of 1044	2184	3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe	microsofthelp.exe
PID 2184 wrote to memory of 1044	2184	3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe	microsofthelp.exe
PID 2184 wrote to memory of 1044	2184	3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe	microsofthelp.exe
PID 2184 wrote to memory of 1044	2184	3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe
"C:\Users\Admin\AppData\Local\Temp\3e04c6e9ef4b795e393dfe5883f12f75d5fee8f35673a5da9d671f2eb64d718e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1044

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
29KB

MD5
2971b18582b0342c9577d980bd86a31f

SHA1
570f4504265c8312bd611cf454b8e3c6c6960992

SHA256
37798c52ddee66b57c18cf1b6dacaebbac1fb01b0671a5b0843652b3d333aa48

SHA512
51a3c47c8511258a9568f9199de9b5e1cc1a4c80d75ac5d45c5eda46aeb983b78db536efabbb3f0fa55c1aecaa93695aac79c5d31cf598e2cca33ea5fc3d946c

Download Submit
memory/2184-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2184-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2184-7-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2184-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download