f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 19:32

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General

Target

f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe
Size

79KB
MD5

7379fc3cc38d174f7b257e8e4661517a
SHA1

d14537143e8c700a87454d7d20c8251bf5d9494b
SHA256

f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2
SHA512

57f19af2b3ae42a52868452a6718fc41ddabb739bb0048e519a93b80a35d14a92305c44c67686f38e7f47583016e84be40cbc55f8d5f6e409e88ce5fd5443fb9
SSDEEP

1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1RB:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1Mui

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1980	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1980	microsofthelp.exe

Loads dropped DLL 1 IoCs

pid	Process
1980	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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1980	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 1980	1876	f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe	80
PID 1876 wrote to memory of 1980	1876	f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe	80
PID 1876 wrote to memory of 1980	1876	f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe	80

C:\Users\Admin\AppData\Local\Temp\f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe
"C:\Users\Admin\AppData\Local\Temp\f7fe54141c2c82af7efbd7e7485aebfb50227b120ab3d422d9c4b62087770cd2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:1980

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\HidePlugin.dll

Filesize
5KB

MD5
4c0b9970f96300dfa1f45afc7539d35f

SHA1
ebbb4ed2003662d78d1f32e7b6da1b6f504ae711

SHA256
4e96660cc8be7171a79755a20860366987547322b3a809e78c9850f14c242262

SHA512
579f8787b52bf62a0296d8a24753263201fbc84abec5927033e3c97576f965ead0f8422acd3f7af1345b0df0001b0cd68fa971062e21269f6940cf3e1508ca88

Download Submit
C:\Windows\microsofthelp.exe

Filesize
79KB

MD5
fa26118171ae0673d1b85f41bfaec294

SHA1
a1e339e8c39354e44fc01317090d258ab7a1e3cb

SHA256
7330b75a44edb65d165eeca3886a4b6dc884be21af2aceb946221ba2e3a6b321

SHA512
9a015304cc665796490339ea7387f78589672cd18655c64f3dc44e182ec45e5999d37338e29824ed0b91b9dcc8307d27bf73491238eb8bb71ac876b3758bfa9b

Download Submit
memory/1876-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1876-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1980-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1980-12-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/1980-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads