yunsip | 1fc468447ef829e6c8b41e8bc047609158283913c8aff39f21fd92184c306553 | Triage

Analysis

max time kernel
3s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
18-05-2021 11:24

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General

Target

1fc468447ef829e6c8b41e8bc047609158283913c8aff39f21fd92184c306553.dll
Size

951KB
MD5

b8b0cd32c9c415c56b2d19d6a51c2970
SHA1

7acf95bb4d998eeec61c2536068dfa932f881e2d
SHA256

1fc468447ef829e6c8b41e8bc047609158283913c8aff39f21fd92184c306553
SHA512

ec10dd6aef88d39e27995c1618f6709b46ca56313d6f78ebed92ab860c0f006782c552d0c10a3d2de87b32b50aef630545934b4a32da261355fe10ccb42333dc

Score

10^/10

yunsip banker trojan

Malware Config

Signatures

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 1996 wrote to memory of 1968	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1968	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1968	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1968	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1968	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1968	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1968	1996	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fc468447ef829e6c8b41e8bc047609158283913c8aff39f21fd92184c306553.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fc468447ef829e6c8b41e8bc047609158283913c8aff39f21fd92184c306553.dll,#1
2⤵
PID:1968

MITRE ATT&CK Matrix

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Downloads

memory/1968-60-0x0000000000000000-mapping.dmp

Download
memory/1968-61-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

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