yunsip | 1d5192c645b46f6cf65e5ddb0083efa843b5bc4a2664c7923da1536d0cc2ea98

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 00:19

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General

Target

1d5192c645b46f6cf65e5ddb0083efa843b5bc4a2664c7923da1536d0cc2ea98.dll
Size

1.0MB
MD5

f7bfa44a87f7b5076cc263d4c0955f34
SHA1

f84407ac484e7c08aade8e9666801d0f804023ba
SHA256

1d5192c645b46f6cf65e5ddb0083efa843b5bc4a2664c7923da1536d0cc2ea98
SHA512

bfcb1de258bf5b59f9b952da714c8f250771933e0d24f9b7ea9ac8091cc8910c97f312d71d28734f57099b06fe947f9d3bc8c73aedcfac213a85e4720abceae6
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0S:jDgtfRQUHPw06MoV2nwTBlhm8q

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 4400 wrote to memory of 4464	4400	rundll32.exe	83
PID 4400 wrote to memory of 4464	4400	rundll32.exe	83
PID 4400 wrote to memory of 4464	4400	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d5192c645b46f6cf65e5ddb0083efa843b5bc4a2664c7923da1536d0cc2ea98.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d5192c645b46f6cf65e5ddb0083efa843b5bc4a2664c7923da1536d0cc2ea98.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4464

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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