7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 23:48

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General

Target

7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe
Size

30KB
MD5

32c083c0beadf24d7f79d87bbb283e93
SHA1

cc75a562a021bc71caca0442952645d5bdc94928
SHA256

7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe
SHA512

a49262897ed0df1ce7f739bcd87820cc55625feaff1d4ef029bdf4146fc57bc6ae65aa49c9f714f006be34c60b6917e57c72c1059ea1ea0c71f7524ccbc0ba4a
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhQ:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYw

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
820	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
820	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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 820	2992	7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe	28
PID 2992 wrote to memory of 820	2992	7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe	28
PID 2992 wrote to memory of 820	2992	7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe	28
PID 2992 wrote to memory of 820	2992	7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe	28

C:\Users\Admin\AppData\Local\Temp\7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe
"C:\Users\Admin\AppData\Local\Temp\7fb1e3e1ce8713c41a0141956940867b537e756ee42acb2d1ebdfbcfd4cb2dbe.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:820

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
30KB

MD5
a820bbe391f423508f84f4f49a919847

SHA1
9178a08310c2846150f4a4c60490c485b10ec657

SHA256
fee36e97001487b164f13cb9ea46dc80f6fe90d6834315a991ddb0e259b71284

SHA512
8e3f9c2a7599ca97b9c724f7bd2d907717757cd0f0574059bfb8445d4b4bc65a76eabdb90c56c99dcc034a5211c67e0453a9d97fa6f89fc51cd4ed3043c84007

Download Submit
memory/820-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2992-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2992-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads