yunsip | 5c40c14839d2e496a64d92c9ba8c3ce09ec2ca16550a82a31440c5e9bcbe5f25

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 08:36

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General

Target

5c40c14839d2e496a64d92c9ba8c3ce09ec2ca16550a82a31440c5e9bcbe5f25.dll
Size

747KB
MD5

7e7636134d76db1260d814cb02834fa8
SHA1

89caa722089c0963e2d163e3aac4c0a2ac37e79c
SHA256

5c40c14839d2e496a64d92c9ba8c3ce09ec2ca16550a82a31440c5e9bcbe5f25
SHA512

b20836fb3daef9c55a607905390bdd334b6998472590d4a551962609c89565d7f1f548c21ff5f4587026537dd152bd5ea96d1fe64f8edfc3f71c6f957481dca4
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYP:o6RI1Fo/wT3cJYYYYYYYYYYYYP

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 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c40c14839d2e496a64d92c9ba8c3ce09ec2ca16550a82a31440c5e9bcbe5f25.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c40c14839d2e496a64d92c9ba8c3ce09ec2ca16550a82a31440c5e9bcbe5f25.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324

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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