yunsip | 4f94886da27fae08a985288cbe0135280869b5d4dce3c8b632b4ed1f8643a31b

Analysis

max time kernel
231s
max time network
333s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 12:55

Target

4f94886da27fae08a985288cbe0135280869b5d4dce3c8b632b4ed1f8643a31b.dll
Size

616KB
MD5

95596f212ee0cd221d52e53b601898a0
SHA1

43879a06a1d289c864229807fadb7da448b458c1
SHA256

4f94886da27fae08a985288cbe0135280869b5d4dce3c8b632b4ed1f8643a31b
SHA512

aa6c00e2ae1c5a37ecde48ed5e548dbefce8170509f39991ae77fcb7f3d0e3cb09b558707a9b6723f01eec487166849a31e7330a0f62f2fa4da906fb48033a5a
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0I:jDgtfRQUHPw06MoV2nwTBlhm8g

Score

10^/10

Yunsip
Remote backdoor which communicates with a C2 server to receive commands.
trojan banker yunsip

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1488 wrote to memory of 320	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 320	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 320	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 320	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 320	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 320	1488	rundll32.exe	rundll32.exe
PID 1488 wrote to memory of 320	1488	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f94886da27fae08a985288cbe0135280869b5d4dce3c8b632b4ed1f8643a31b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f94886da27fae08a985288cbe0135280869b5d4dce3c8b632b4ed1f8643a31b.dll,#1
2⤵
PID:320

memory/320-54-0x0000000000000000-mapping.dmp

Download
memory/320-55-0x0000000075531000-0x0000000075533000-memory.dmp

Filesize
8KB

Download