yunsip | ba92c746b2fefde9b734b7a5c828c62668b10fac670f6f9893115202ccde7e61

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 16:28

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General

Target

ba92c746b2fefde9b734b7a5c828c62668b10fac670f6f9893115202ccde7e61N.dll
Size

1.0MB
MD5

b05cd179cc521ae1cc03b21aef86dd60
SHA1

b409a480083e26249e0224ac49b45d4310ee7434
SHA256

ba92c746b2fefde9b734b7a5c828c62668b10fac670f6f9893115202ccde7e61
SHA512

4d134ad8c55f103178744695676e19ff6fa61f5a4764b139b32b1519346fba365808eb2bd0626de16c8d2b7320b2937ab2e490ff89701b3fbc2ed0148b816af0
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYW:o6RI1Fo/wT3cJYYYYYYYYYYYYW

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 3536 wrote to memory of 4748	3536	rundll32.exe	83
PID 3536 wrote to memory of 4748	3536	rundll32.exe	83
PID 3536 wrote to memory of 4748	3536	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba92c746b2fefde9b734b7a5c828c62668b10fac670f6f9893115202ccde7e61N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba92c746b2fefde9b734b7a5c828c62668b10fac670f6f9893115202ccde7e61N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4748

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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