yunsip | 87fddb1a10ce3006d4c922f3a6e8421b514e5b068e2bdc157a905656be322600

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 12:03

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General

Target

87fddb1a10ce3006d4c922f3a6e8421b514e5b068e2bdc157a905656be322600N.dll
Size

1.0MB
MD5

29ac5dccf8a90beb34e8536d3dadf500
SHA1

dc70efb19f2348eb7ff3275e51354c72e3d71013
SHA256

87fddb1a10ce3006d4c922f3a6e8421b514e5b068e2bdc157a905656be322600
SHA512

5f497e35621fda626b646b68afb363c185c53fea546999d316a00d2c62c3955e7b958be0271f2eeccdc6a92d5ccd416073ff4c3a9d1ad2551d2feaa79809d459
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0y:jDgtfRQUHPw06MoV2nwTBlhm8K

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 1644 wrote to memory of 2312	1644	rundll32.exe	30
PID 1644 wrote to memory of 2312	1644	rundll32.exe	30
PID 1644 wrote to memory of 2312	1644	rundll32.exe	30
PID 1644 wrote to memory of 2312	1644	rundll32.exe	30
PID 1644 wrote to memory of 2312	1644	rundll32.exe	30
PID 1644 wrote to memory of 2312	1644	rundll32.exe	30
PID 1644 wrote to memory of 2312	1644	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87fddb1a10ce3006d4c922f3a6e8421b514e5b068e2bdc157a905656be322600N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\87fddb1a10ce3006d4c922f3a6e8421b514e5b068e2bdc157a905656be322600N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2312

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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