c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 02:44

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General

Target

c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe
Size

61KB
MD5

49115ce2bb0e87f39864e52f24e75cdd
SHA1

65ce777e3c1827c984a056c69a00f8b040548ef7
SHA256

c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514
SHA512

27ffc2fe5996cb6efac1335eee9fa537e02c3ca9ac802024b4a4b3b1cbb736673cd9eaf7df32290f34ff1afcb956412a717f08369631cae750dbc64c3ad5ca12
SSDEEP

1536:NDj2d6rnJbJnJBSX1nV1b1N1Il1k1YFI1x1J1MuEqx517Q/1T1Jzct01Nsqnl1RJ:FlnnJBSX1nV1b1N1Il1k1YFI1x1J1MuO

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1664	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1664	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-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1664	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 1664	2228	c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe	28
PID 2228 wrote to memory of 1664	2228	c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe	28
PID 2228 wrote to memory of 1664	2228	c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe	28
PID 2228 wrote to memory of 1664	2228	c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe	28

C:\Users\Admin\AppData\Local\Temp\c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe
"C:\Users\Admin\AppData\Local\Temp\c492cb2bfcf1df320ba45883517d777322033354a94a6f4612caaa72e284c514.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:1664

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
61KB

MD5
17f36afa2efe08f89870348aa36f8bc7

SHA1
dbf7c4a44f622ca28efc8c6bbfcbc7b33229bc7a

SHA256
2cfc73e57d6948b2c4ac6f132810c191de9821b3c11646953b39690d7db014e6

SHA512
94608910045a1d3f6ceaa214251907681cdea711604c65afb7d2d23decb311b5ff6e54ce6efbb4dc2a1899d8ffd013de7c49c3161924abdd8383a4cc935397ec

Download Submit
memory/1664-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1664-13-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/1664-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2228-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2228-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2228-8-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads