yunsip | 49deea410fe98d044664fe2f31946c8d985b7eec997c8690add1f23f876dc5d5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 21:26

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General

Target

49deea410fe98d044664fe2f31946c8d985b7eec997c8690add1f23f876dc5d5.dll
Size

862KB
MD5

871ba96f0ee1eb38145b6666639fc923
SHA1

e2d387473e0d2de8f582f742016868ec7b451814
SHA256

49deea410fe98d044664fe2f31946c8d985b7eec997c8690add1f23f876dc5d5
SHA512

79117ea1e44269392729929b1b961946d07f179bb7f27bacefc99d7f7995fe80586cd4c5dbe52a9f3a5054e95b2aa887a8c7dd90becfa6881966af97992cf443
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0H:jDgtfRQUHPw06MoV2nwTBlhm8f

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 2860 wrote to memory of 3000	2860	rundll32.exe	30
PID 2860 wrote to memory of 3000	2860	rundll32.exe	30
PID 2860 wrote to memory of 3000	2860	rundll32.exe	30
PID 2860 wrote to memory of 3000	2860	rundll32.exe	30
PID 2860 wrote to memory of 3000	2860	rundll32.exe	30
PID 2860 wrote to memory of 3000	2860	rundll32.exe	30
PID 2860 wrote to memory of 3000	2860	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49deea410fe98d044664fe2f31946c8d985b7eec997c8690add1f23f876dc5d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\49deea410fe98d044664fe2f31946c8d985b7eec997c8690add1f23f876dc5d5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000

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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