yunsip | cb7e4c3078f07315ef2c27581e55ace30b1eebbeff6ab19a0461e5829126b413

Analysis

max time kernel
13s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 01:47

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General

Target

LisectAVT_2403002C_20.dll
Size

567KB
MD5

65deb07195f409b9bf6c3fd929ce2d6a
SHA1

04c6c9ffe45f7c69fa99186e85d6444abfbcf700
SHA256

cb7e4c3078f07315ef2c27581e55ace30b1eebbeff6ab19a0461e5829126b413
SHA512

ffc7a343abea59bbabe2a38bff447f64ddc75a78988829030001ac335a2a30fec9d2ee0f07ca01a26e0c97e10fd93bc9df447f0b31992df2e262f3b6baee50bc
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0:jDgtfRQUHPw06MoV2nwTBlhm8

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 2172 wrote to memory of 2556	2172	rundll32.exe	29
PID 2172 wrote to memory of 2556	2172	rundll32.exe	29
PID 2172 wrote to memory of 2556	2172	rundll32.exe	29
PID 2172 wrote to memory of 2556	2172	rundll32.exe	29
PID 2172 wrote to memory of 2556	2172	rundll32.exe	29
PID 2172 wrote to memory of 2556	2172	rundll32.exe	29
PID 2172 wrote to memory of 2556	2172	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_20.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2556

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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