38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b

Analysis

max time kernel
143s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 16:58

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General

Target

38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe
Size

30KB
MD5

b829dfae6a5fbddae5d153f97ab2c868
SHA1

63a2d7536e60aa9e644fafe9bbbb5993c4854739
SHA256

38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b
SHA512

c83c5ab7eda06a0623821477047242a4f2c98d3f4b9c6b486035bdbcc218a94e77fbddd3ff72df8b60b1b6303365c0df825ac672e504313dc7c55d114ca14cef
SSDEEP

768:HnQFDxGVZAUl87gLw0oBYAC/VoVQqKyW4jSIFT/oeH:aDYAV7g8wAC/G584dTgM

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2176-135-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Suspicious behavior: RenamesItself 1 IoCs

Processes:

38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe

pid process

2176 38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe

pid	process
2176	38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe

description	pid	process	target process
PID 2176 wrote to memory of 620	2176	38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe	attrib.exe
PID 2176 wrote to memory of 620	2176	38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe	attrib.exe
PID 2176 wrote to memory of 620	2176	38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe	attrib.exe
PID 2176 wrote to memory of 4204	2176	38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe	attrib.exe
PID 2176 wrote to memory of 4204	2176	38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe	attrib.exe
PID 2176 wrote to memory of 4204	2176	38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

620 attrib.exe
4204 attrib.exe

pid	process
620	attrib.exe
4204	attrib.exe

C:\Users\Admin\AppData\Local\Temp\38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe
"C:\Users\Admin\AppData\Local\Temp\38bfdbc443bc36e682a2e6d7f8fb1f0a9b66a7db8c400142564c574615bcce7b.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\ProgramData\Microsoft\Windows\Start Menu\*.* " /s /d
2⤵
- Views/modifies file attributes
PID:620

C:\Windows\SysWOW64\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\*.* " /s /d
2⤵
- Views/modifies file attributes
PID:4204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/620-136-0x0000000000000000-mapping.dmp

Download
memory/2176-135-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4204-137-0x0000000000000000-mapping.dmp

Download