yunsip | 7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9

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
19-10-2024 09:41

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General

Target

7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9N.dll
Size

1.0MB
MD5

9aa6f5eae249b0f1cbc1afe3caa52880
SHA1

4a9b1b6dc1813b21bf9b4f636a6df636fd6fa47c
SHA256

7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9
SHA512

34da57d368f29a8cf2fab4c81353b9e2e527e1f735363fac3409011551cc32cf9c25247b91b795cda95ab8a273a6b9ec1a0f8a57a8dbd9d385d2b9c693f192ee
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYG:o6RI1Fo/wT3cJYYYYYYYYYYYYG

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 2824 wrote to memory of 2776	2824	rundll32.exe	30
PID 2824 wrote to memory of 2776	2824	rundll32.exe	30
PID 2824 wrote to memory of 2776	2824	rundll32.exe	30
PID 2824 wrote to memory of 2776	2824	rundll32.exe	30
PID 2824 wrote to memory of 2776	2824	rundll32.exe	30
PID 2824 wrote to memory of 2776	2824	rundll32.exe	30
PID 2824 wrote to memory of 2776	2824	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776

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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