yunsip | 10145f1666bdad37d7d09c54356d9280e9b90ec8096b69634788de10afdc19b1

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 19:49

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General

Target

10145f1666bdad37d7d09c54356d9280e9b90ec8096b69634788de10afdc19b1.dll
Size

1.0MB
MD5

f3d8297460cbd4b9c2974bc386941224
SHA1

3825d86c79865f7334077aae6aa3545d0d3484a3
SHA256

10145f1666bdad37d7d09c54356d9280e9b90ec8096b69634788de10afdc19b1
SHA512

2a4fedb0a98007bcfcc5bc871059a4deb17eabd9dab71dc3578753e2faacd719e190dc96886dcf5d273723a0b74efc26aa0aad8bda536b9a164293aa931c7d06
SSDEEP

3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDO:o6C5AXbMn7UI1FoV2gwTBlrIckP0

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 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30
PID 2364 wrote to memory of 2012	2364	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\10145f1666bdad37d7d09c54356d9280e9b90ec8096b69634788de10afdc19b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\10145f1666bdad37d7d09c54356d9280e9b90ec8096b69634788de10afdc19b1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2012

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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