yunsip | a475643ae0019663b03f7bd77ca32fa513a901d220d8ac98f47deb6dd23ae3ec

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 19:51

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General

Target

a475643ae0019663b03f7bd77ca32fa513a901d220d8ac98f47deb6dd23ae3ecN.dll
Size

686KB
MD5

b11bdefe1a91e9408c77bb72123c7c60
SHA1

0749fae93277b0d0cd892633d57667ca2924a413
SHA256

a475643ae0019663b03f7bd77ca32fa513a901d220d8ac98f47deb6dd23ae3ec
SHA512

cd179068c5d0bd48b01e1cb9db9e810600607cfa90b017ed77e34fbbd2bf88a628fd368545abddac7b123a969422235dde8b7a879a9c606fba107f2342f8a252
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYk:o6RI1Fo/wT3cJYYYYYYYYYYYYk

Score

10^/10

yunsip banker discovery trojan

Malware Config

Signatures

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2892	2888	rundll32.exe	30
PID 2888 wrote to memory of 2892	2888	rundll32.exe	30
PID 2888 wrote to memory of 2892	2888	rundll32.exe	30
PID 2888 wrote to memory of 2892	2888	rundll32.exe	30
PID 2888 wrote to memory of 2892	2888	rundll32.exe	30
PID 2888 wrote to memory of 2892	2888	rundll32.exe	30
PID 2888 wrote to memory of 2892	2888	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a475643ae0019663b03f7bd77ca32fa513a901d220d8ac98f47deb6dd23ae3ecN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a475643ae0019663b03f7bd77ca32fa513a901d220d8ac98f47deb6dd23ae3ecN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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