f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c

Analysis

max time kernel
97s
max time network
127s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 02:51

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General

Target

f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe
Size

62KB
MD5

2c73bb6517974ad7206c6499553e18e0
SHA1

38006ecb04e6d4cbfe5c0306aa5df25fb6df1784
SHA256

f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c
SHA512

6b4e39e4b6c56fb33d126cdf40f03fb4a8bf025f8731e38c2d232bcb2de4d154019b0d49105ad8b73824054c764f1416f56a1451464e4676ef53660a61c68915
SSDEEP

768:tImlmJpTLuIWJBrg6PhH7Od9l96RGGj/9Dhfaj6eCXLdQn4nUfDi9duXFXct:tsJpT6+27OLL6Bj/xhC+jXqn1uvuXFst

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\58324 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msumyoz.bat"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1348	svchost.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msumyoz.bat	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1776	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1776	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe
1776	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1348	1776	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe	28
PID 1776 wrote to memory of 1348	1776	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe	28
PID 1776 wrote to memory of 1348	1776	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe	28
PID 1776 wrote to memory of 1348	1776	f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe	28

C:\Users\Admin\AppData\Local\Temp\f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe
"C:\Users\Admin\AppData\Local\Temp\f3b0fb53430d8179d3cbf3e327b0a327eb9aa036852ba00a71c975480435886c.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\syswow64\svchost.exe
  C:\Windows\syswow64\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Deletes itself
  - Drops file in Program Files directory
  PID:1348

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1348-59-0x0000000000300000-0x0000000000308000-memory.dmp

Filesize
32KB

Download
memory/1348-60-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/1348-61-0x0000000000080000-0x0000000000085000-memory.dmp

Filesize
20KB

Download
memory/1348-62-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/1776-54-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1776-55-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1776-57-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1776-58-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download