yunsip | eb9a81588626f2fb5002198dc83caabf947885d15cfb2ef183aed6d4fee2f55d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 02:52

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General

Target

eb9a81588626f2fb5002198dc83caabf947885d15cfb2ef183aed6d4fee2f55d.dll
Size

716KB
MD5

8caf53074b3bb64e78a28aeb2b1f16f0
SHA1

5299e78a6c53b9df021ffd23a85d1cacbe0d82e6
SHA256

eb9a81588626f2fb5002198dc83caabf947885d15cfb2ef183aed6d4fee2f55d
SHA512

21fc85313dbae98be2409a1190e9d1e07a2b228dee3143a2182fa10719322e1abd91cedd8c646f95385d052ad39cb0beb32d58317f00ed27d2a450cde54090cc
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYH:o6RI1Fo/wT3cJYYYYYYYYYYYYH

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 2656 wrote to memory of 2688	2656	rundll32.exe	30
PID 2656 wrote to memory of 2688	2656	rundll32.exe	30
PID 2656 wrote to memory of 2688	2656	rundll32.exe	30
PID 2656 wrote to memory of 2688	2656	rundll32.exe	30
PID 2656 wrote to memory of 2688	2656	rundll32.exe	30
PID 2656 wrote to memory of 2688	2656	rundll32.exe	30
PID 2656 wrote to memory of 2688	2656	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb9a81588626f2fb5002198dc83caabf947885d15cfb2ef183aed6d4fee2f55d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb9a81588626f2fb5002198dc83caabf947885d15cfb2ef183aed6d4fee2f55d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688

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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