yunsip | cd20619f85775f48d29f2c3755beb69bb1be8139a9681a943193d3f813c3a32e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-10-2024 03:23

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General

Target

cd20619f85775f48d29f2c3755beb69bb1be8139a9681a943193d3f813c3a32e.dll
Size

814KB
MD5

73a02521a736b1cc12ae300f5d184744
SHA1

9514ccaf6ac2980177cad683f2013f83381b0740
SHA256

cd20619f85775f48d29f2c3755beb69bb1be8139a9681a943193d3f813c3a32e
SHA512

ec185f73734fe47c1917fab56a8a993781713dd1aa06848cc2df0dba2f55dd46405b06231ac749be299233a101c8ce11218028c9fa92e92a4c18a170351afed9
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYj:o6RI1Fo/wT3cJYYYYYYYYYYYYj

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 1864 wrote to memory of 1916	1864	rundll32.exe	30
PID 1864 wrote to memory of 1916	1864	rundll32.exe	30
PID 1864 wrote to memory of 1916	1864	rundll32.exe	30
PID 1864 wrote to memory of 1916	1864	rundll32.exe	30
PID 1864 wrote to memory of 1916	1864	rundll32.exe	30
PID 1864 wrote to memory of 1916	1864	rundll32.exe	30
PID 1864 wrote to memory of 1916	1864	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd20619f85775f48d29f2c3755beb69bb1be8139a9681a943193d3f813c3a32e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd20619f85775f48d29f2c3755beb69bb1be8139a9681a943193d3f813c3a32e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1916

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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