yunsip | f90f4c6613f7bed59482fbf67adab2a2a1581d667adc8ee4fecf65f0f76c8738

Analysis

max time kernel
130s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2024 03:07

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General

Target

f90f4c6613f7bed59482fbf67adab2a2a1581d667adc8ee4fecf65f0f76c8738.dll
Size

394KB
MD5

741b6d1dce915a058dbfdb36f5964e34
SHA1

3c58c131f2cd7119b0b7cf7af44370cf0208bbcf
SHA256

f90f4c6613f7bed59482fbf67adab2a2a1581d667adc8ee4fecf65f0f76c8738
SHA512

697247fece132b9e3c979d15eda38add32d414785b0281990de811e5ec74499a8f1137972a8bcc3d32ffd42c02e0352f3bb53863a6e5c528a7ca6f3a956c704c
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0u:jDgtfRQUHPw06MoV2nwTBlhm8W

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 3 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 1820	2796	rundll32.exe	86
PID 2796 wrote to memory of 1820	2796	rundll32.exe	86
PID 2796 wrote to memory of 1820	2796	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f90f4c6613f7bed59482fbf67adab2a2a1581d667adc8ee4fecf65f0f76c8738.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f90f4c6613f7bed59482fbf67adab2a2a1581d667adc8ee4fecf65f0f76c8738.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1820

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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