ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f

Analysis

max time kernel
55s
max time network
163s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
28/05/2023, 22:24

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General

Target

ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f.exe
Size

4.3MB
MD5

bb18308e4c2ec8c0bb8d8dfdf10c3ede
SHA1

49cb4ed0fb9716176b997d380a646c46cfff52c1
SHA256

ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f
SHA512

dabe6f41c0d0b3b057e76a332d5ce11fed71a72e5c898252961ea4afdadde1b2af5a23ae8c6169dead02bdb09a903f1ff8fae9cce90fbf9ff989d42639b8f36f
SSDEEP

98304:xmi3VfpidoxjCzHOve/x0JkIjvOX8uL/uCreIgDPlrE0IjGhbf:L3VfYUCbOvE0JCX8+VeTPdojGR

Score

7^/10

spyware stealer upx

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1736-121-0x0000000000120000-0x0000000000F7E000-memory.dmp	upx
behavioral2/memory/1736-122-0x0000000000120000-0x0000000000F7E000-memory.dmp	upx
behavioral2/memory/1736-123-0x0000000000120000-0x0000000000F7E000-memory.dmp	upx

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2052	1736	ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f.exe	66
PID 1736 wrote to memory of 2052	1736	ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f.exe	66
PID 2052 wrote to memory of 4308	2052	cmd.exe	68
PID 2052 wrote to memory of 4308	2052	cmd.exe	68

C:\Users\Admin\AppData\Local\Temp\ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f.exe
"C:\Users\Admin\AppData\Local\Temp\ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\ef329200c9047742bb26747ca47e657b9b9363103cc8afcefc8c62c9857fcd9f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1736-121-0x0000000000120000-0x0000000000F7E000-memory.dmp

Filesize
14.4MB

Download
memory/1736-122-0x0000000000120000-0x0000000000F7E000-memory.dmp

Filesize
14.4MB

Download
memory/1736-123-0x0000000000120000-0x0000000000F7E000-memory.dmp

Filesize
14.4MB

Download