yunsip | d6d0eac13be56c4b64bb10fef64efeeb372efcde21dbe395ea57ff46bcad9dca

Analysis

max time kernel
84s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 18:47

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General

Target

d6d0eac13be56c4b64bb10fef64efeeb372efcde21dbe395ea57ff46bcad9dcaN.dll
Size

1.1MB
MD5

b72b6550f54c5226a45653781289da30
SHA1

feecd647e6fdba02ed01937e8fd2667549e8b52f
SHA256

d6d0eac13be56c4b64bb10fef64efeeb372efcde21dbe395ea57ff46bcad9dca
SHA512

459c6b0f21396e92a33a7a6ef318187661abad737a6af2a54d8e169df78a5e997a4cbc7157bc7cc599ec86dc500fe231336f37d1379dd682c9e28886bd8f38bb
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYa:o6RI1Fo/wT3cJYYYYYYYYYYYYa

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 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31
PID 1708 wrote to memory of 2948	1708	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6d0eac13be56c4b64bb10fef64efeeb372efcde21dbe395ea57ff46bcad9dcaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6d0eac13be56c4b64bb10fef64efeeb372efcde21dbe395ea57ff46bcad9dcaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948

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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