yunsip | 2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aa

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 13:42

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General

Target

2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aaN.dll
Size

807KB
MD5

56d39666a7e11a4ba1304662893e4160
SHA1

6fa71cf6bb9d873d4a837da7e1434957edca2d2d
SHA256

2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aa
SHA512

a6c022f664e9bf0928cf10e7d89ffd860426527ed0922a4ffd8baef41aa9ff211b68dad205819875c1a810569cd73ea9625ea6b8b8e03a5244224f3e4829b784
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYC:o6RI1Fo/wT3cJYYYYYYYYYYYYC

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 3 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 3968	2668	rundll32.exe	85
PID 2668 wrote to memory of 3968	2668	rundll32.exe	85
PID 2668 wrote to memory of 3968	2668	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3968

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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