yunsip | d5ccc4d818a215f2c87664e3840766f04263afd605f003634f825d34b2e04d64

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 16:52

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General

Target

d5ccc4d818a215f2c87664e3840766f04263afd605f003634f825d34b2e04d64N.dll
Size

732KB
MD5

1b6be8a776dffb3f2f1ba47e8189fdb0
SHA1

37fce38d4e8cd31a1fe2d1d0651fb66408d76bdc
SHA256

d5ccc4d818a215f2c87664e3840766f04263afd605f003634f825d34b2e04d64
SHA512

3d6ba21d58f570e724beeb3b298eb05b5d6c477de52c85e017b4eeb1f8a08dba67bba2ce420f47867b7059e5e7a0fcb92ce5741fb5febe09d32ebc880f411e65
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0d:jDgtfRQUHPw06MoV2nwTBlhm81

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4320 wrote to memory of 4428	4320	rundll32.exe	83
PID 4320 wrote to memory of 4428	4320	rundll32.exe	83
PID 4320 wrote to memory of 4428	4320	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5ccc4d818a215f2c87664e3840766f04263afd605f003634f825d34b2e04d64N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5ccc4d818a215f2c87664e3840766f04263afd605f003634f825d34b2e04d64N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4428

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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