yunsip | d196c5689a5fd27a779ef6dcf7285a467a3867524f100b03e034ff648240c0e4

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 14:27

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General

Target

d196c5689a5fd27a779ef6dcf7285a467a3867524f100b03e034ff648240c0e4N.dll
Size

1.2MB
MD5

70b03907d89f418c1c689b1041d20280
SHA1

af29f033d7c9d6eaa20df032fd372082802b0729
SHA256

d196c5689a5fd27a779ef6dcf7285a467a3867524f100b03e034ff648240c0e4
SHA512

57e485d2ffd50df6282abded1630d396059ff8af66f973222b84d50f0ddc8a2edb822225a40d1de708f7777f50c422f38c8442340c1cae8c7378421d5100dc93
SSDEEP

12288:jDgN6MoIwT3qOOOOOOOOOOOOOOOOOOOOOOb:jTtT3qOOOOOOOOOOOOOOOOOOOOOOb

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 2816 wrote to memory of 2872	2816	rundll32.exe	30
PID 2816 wrote to memory of 2872	2816	rundll32.exe	30
PID 2816 wrote to memory of 2872	2816	rundll32.exe	30
PID 2816 wrote to memory of 2872	2816	rundll32.exe	30
PID 2816 wrote to memory of 2872	2816	rundll32.exe	30
PID 2816 wrote to memory of 2872	2816	rundll32.exe	30
PID 2816 wrote to memory of 2872	2816	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d196c5689a5fd27a779ef6dcf7285a467a3867524f100b03e034ff648240c0e4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d196c5689a5fd27a779ef6dcf7285a467a3867524f100b03e034ff648240c0e4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872

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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