yunsip | ede55c0b0f0452679ec6d8ffea8df8c10f96ec93ff178117250873103c5b51cc

Analysis

max time kernel
78s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 23:53

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General

Target

ede55c0b0f0452679ec6d8ffea8df8c10f96ec93ff178117250873103c5b51ccN.dll
Size

1.1MB
MD5

cbe1c071da936146e433edcb4b371ef0
SHA1

b3ba835e2629a41725ecb58f59d0b61d3a2b3a8c
SHA256

ede55c0b0f0452679ec6d8ffea8df8c10f96ec93ff178117250873103c5b51cc
SHA512

d1978408aae72c35d2f9b13ff6c366b5fdd0d9af4cf5b64cd775590b74afb122e5234c1e7fe77a533391cc005f1bd8c4408e75ddc22b07c222e05b20012524d9
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q03: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 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31
PID 2492 wrote to memory of 1044	2492	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ede55c0b0f0452679ec6d8ffea8df8c10f96ec93ff178117250873103c5b51ccN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ede55c0b0f0452679ec6d8ffea8df8c10f96ec93ff178117250873103c5b51ccN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1044

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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