yunsip | 5d9e29b09d14b71818fce3c2fa45856f1f547165834aa48eba8a59a6d1bb4147

Analysis

max time kernel
15s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 00:15

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General

Target

5d9e29b09d14b71818fce3c2fa45856f1f547165834aa48eba8a59a6d1bb4147N.dll
Size

598KB
MD5

6e081c265f30c3f677e09439efe2bdd0
SHA1

fbfef188dcf25d803f17314aecd2e6e2f316b576
SHA256

5d9e29b09d14b71818fce3c2fa45856f1f547165834aa48eba8a59a6d1bb4147
SHA512

4060025f9df7bc3cd2e5f713362e679c3f5ab036953f76f503a57e16675358b323796f59234524c9dfe6cecd04088e5ea131cb12f9b81be685544acd142ae389
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0R:jDgtfRQUHPw06MoV2nwTBlhm8J

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

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 2292 wrote to memory of 2432	2292	rundll32.exe	29
PID 2292 wrote to memory of 2432	2292	rundll32.exe	29
PID 2292 wrote to memory of 2432	2292	rundll32.exe	29
PID 2292 wrote to memory of 2432	2292	rundll32.exe	29
PID 2292 wrote to memory of 2432	2292	rundll32.exe	29
PID 2292 wrote to memory of 2432	2292	rundll32.exe	29
PID 2292 wrote to memory of 2432	2292	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d9e29b09d14b71818fce3c2fa45856f1f547165834aa48eba8a59a6d1bb4147N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d9e29b09d14b71818fce3c2fa45856f1f547165834aa48eba8a59a6d1bb4147N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2432

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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