yunsip | 0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 04:38

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General

Target

0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff.dll
Size

767KB
MD5

52ae95d8c9351b3d13de73ba4390535f
SHA1

8906cf5e0935da34917de6d1f223f76c496e56c1
SHA256

0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff
SHA512

c6744cb4a9c27b166a6f50c974796c008ced7cfb590024a47705ec417e2c13002908b2196fd5e665ee9e8b57245a8ca9609d47e000448e97305608b3c12c52b1
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0M:jDgtfRQUHPw06MoV2nwTBlhm8E

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 7 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1712	1920	rundll32.exe	30
PID 1920 wrote to memory of 1712	1920	rundll32.exe	30
PID 1920 wrote to memory of 1712	1920	rundll32.exe	30
PID 1920 wrote to memory of 1712	1920	rundll32.exe	30
PID 1920 wrote to memory of 1712	1920	rundll32.exe	30
PID 1920 wrote to memory of 1712	1920	rundll32.exe	30
PID 1920 wrote to memory of 1712	1920	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1712

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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