yunsip | 712379e953307f5c7b4b50a4140ee9292364b3bf3798f6a7498c85c8fde3f01b

Analysis

max time kernel
15s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 22:29

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General

Target

712379e953307f5c7b4b50a4140ee9292364b3bf3798f6a7498c85c8fde3f01b.dll
Size

730KB
MD5

5b0170cab844ea2636bb044fefa6539e
SHA1

a3803ded03384353293a4684007f70a9767f7922
SHA256

712379e953307f5c7b4b50a4140ee9292364b3bf3798f6a7498c85c8fde3f01b
SHA512

11db7b237d1846723eaa3af98a80b53717fb4fd16f26f2b66727a1aa3ae0e44abfe4ca9d6c513b6ea3b0dd141ecc22b821806dccd41dac57aeb81463c88e3e55
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY2:o6RI1Fo/wT3cJYYYYYYYYYYYY2

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
Yunsip family
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 2096 wrote to memory of 1780	2096	rundll32.exe	30
PID 2096 wrote to memory of 1780	2096	rundll32.exe	30
PID 2096 wrote to memory of 1780	2096	rundll32.exe	30
PID 2096 wrote to memory of 1780	2096	rundll32.exe	30
PID 2096 wrote to memory of 1780	2096	rundll32.exe	30
PID 2096 wrote to memory of 1780	2096	rundll32.exe	30
PID 2096 wrote to memory of 1780	2096	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\712379e953307f5c7b4b50a4140ee9292364b3bf3798f6a7498c85c8fde3f01b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\712379e953307f5c7b4b50a4140ee9292364b3bf3798f6a7498c85c8fde3f01b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1780

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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