yunsip | 35b42a29aa8c8b380bbf0764e381caafe535453f6997fc6be170751af23c1920

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 07:29

Target

5c951eb26d153da2f7cafdabb0f4ef3d.dll
Size

360KB
MD5

5c951eb26d153da2f7cafdabb0f4ef3d
SHA1

656f22564ec3d99af5a7e3795b9dbb6eb39dbf29
SHA256

35b42a29aa8c8b380bbf0764e381caafe535453f6997fc6be170751af23c1920
SHA512

b3808dea83357077f9ca237ceb186abe063bd024e8c239004da918b454b83f9c29e7c68bd9dd6dc288fe493ddc547246ca89248bcc9a220bfa13074dec703f7b
SSDEEP

3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDE:o6C5AXbMn7UI1FoV2gwTBlrIckPi

Score

10^/10

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2088	2080	rundll32.exe	14
PID 2080 wrote to memory of 2088	2080	rundll32.exe	14
PID 2080 wrote to memory of 2088	2080	rundll32.exe	14
PID 2080 wrote to memory of 2088	2080	rundll32.exe	14
PID 2080 wrote to memory of 2088	2080	rundll32.exe	14
PID 2080 wrote to memory of 2088	2080	rundll32.exe	14
PID 2080 wrote to memory of 2088	2080	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c951eb26d153da2f7cafdabb0f4ef3d.dll,#1
1⤵
PID:2088

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c951eb26d153da2f7cafdabb0f4ef3d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2080