3ad3e9feca98bd1c94415f0319340c3c9416541f4592f7373aeeab289a03c7ac

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 15:12

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General

Target

b9091ef41de734fdbd7c7df7b2a5ea20.exe
Size

316KB
MD5

b9091ef41de734fdbd7c7df7b2a5ea20
SHA1

4d313c6379933dfcfc79cab04a7c83899862b0d7
SHA256

3ad3e9feca98bd1c94415f0319340c3c9416541f4592f7373aeeab289a03c7ac
SHA512

f3aa29e6d4f77d36d1d6a0da1d88e69e69af9bed81a63b85869b1d2582a3e5ff121b9ac8a8b33e2d3f329569fcc3c5370b23da3bdca5636db91c9b6a98813733
SSDEEP

6144:E1onIw+yeYJGW5jt6IAqQXkZ52XZFF64v9VXbBkl/TEJf5:soIwZ5HQ083FPlVX6p+f5

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3844	b9091ef41de734fdbd7c7df7b2a5ea20.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	3844	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 1592	3844	b9091ef41de734fdbd7c7df7b2a5ea20.exe	92
PID 3844 wrote to memory of 1592	3844	b9091ef41de734fdbd7c7df7b2a5ea20.exe	92
PID 3844 wrote to memory of 1592	3844	b9091ef41de734fdbd7c7df7b2a5ea20.exe	92

C:\Users\Admin\AppData\Local\Temp\b9091ef41de734fdbd7c7df7b2a5ea20.exe
"C:\Users\Admin\AppData\Local\Temp\b9091ef41de734fdbd7c7df7b2a5ea20.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Users\Admin\AppData\Local\Temp\b9091ef41de734fdbd7c7df7b2a5ea20.exe
  "C:\Users\Admin\AppData\Local\Temp\b9091ef41de734fdbd7c7df7b2a5ea20.exe"
  2⤵
  PID:1592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 928
  2⤵
  - Program crash
  PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3844 -ip 3844
1⤵
PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsc327C.tmp\System.dll

Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

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