90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547

Analysis

max time kernel
326s
max time network
348s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:04

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General

Target

90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe
Size

28KB
MD5

b5c387588f51ff057cd49bd214e631be
SHA1

cc5371d5063661908f93a274d233b1604bb5021f
SHA256

90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547
SHA512

dcda98037f6c6951cd5f5cca18c388a28841edf7f6c7105bb9ee60338f7d481654c4138a2f72b780f422a0a3725ff245e8ff4be1cca94b9e95a8f135cd4f47b4
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNvrn:Dv8IRRdsxq1DjJcqfOn

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4944	services.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5040-132-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000a0000000219bf-134.dat	upx
behavioral2/files/0x000a0000000219bf-135.dat	upx
behavioral2/memory/4944-136-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe
File created	C:\Windows\java.exe	90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe
File created	C:\Windows\services.exe	90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 4944	5040	90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe	84
PID 5040 wrote to memory of 4944	5040	90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe	84
PID 5040 wrote to memory of 4944	5040	90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe	84

C:\Users\Admin\AppData\Local\Temp\90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe
"C:\Users\Admin\AppData\Local\Temp\90938c24f70fd2cb2f5706cbae9a4b1e80396f994df2a8b94f9a4028c6032547.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  PID:4944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4944-136-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/5040-132-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download