yunsip | d5f870cd290cf38f7bcb2101f27cf42a119c349b86ba0e1afa699d8c63e83191

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31-07-2024 08:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9845331b40f0fd15776b539ba21ba2d0N.dll
Size

618KB
MD5

9845331b40f0fd15776b539ba21ba2d0
SHA1

6bfd01f4ef8e77379a6b45d848958d6fbd932869
SHA256

d5f870cd290cf38f7bcb2101f27cf42a119c349b86ba0e1afa699d8c63e83191
SHA512

b95287f341025aef34185b53b3eb3804de255ec490e225b4e664ec846193a97cb7ff0a1023a821ff179f679afedb11cfb0d0d9cdf3e0f775907950ed19d4ba68
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYv:o6RI1Fo/wT3cJYYYYYYYYYYYYv

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3000 wrote to memory of 2648	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2648	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2648	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2648	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2648	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2648	3000	rundll32.exe	rundll32.exe
PID 3000 wrote to memory of 2648	3000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9845331b40f0fd15776b539ba21ba2d0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9845331b40f0fd15776b539ba21ba2d0N.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:2648

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

Replay Monitor

Loading Replay Monitor...

Downloads