yunsip | 9ba185ae51b91342eff46b075cdb4eafdccc64d9fc66783bfb8c855e26a8cf7b

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 22:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9ba185ae51b91342eff46b075cdb4eafdccc64d9fc66783bfb8c855e26a8cf7b.dll
Size

667KB
MD5

7ef9443d4c16f78b11dbbc3ae22bbc2a
SHA1

12df999f2d5b2ed4122eebe02560b241d2f146c5
SHA256

9ba185ae51b91342eff46b075cdb4eafdccc64d9fc66783bfb8c855e26a8cf7b
SHA512

6b0a04759c6a1c6b1ddc1d584251daf7e53c70d601a9121d1c857049caf2760f56a71e11fcbafdcacc1a756b65efe9c466dace853d474ed64e7b8cc0463be064
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY1:o6RI1Fo/wT3cJYYYYYYYYYYYY1

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

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 2932 wrote to memory of 3020	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 3020	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 3020	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 3020	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 3020	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 3020	2932	rundll32.exe	rundll32.exe
PID 2932 wrote to memory of 3020	2932	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ba185ae51b91342eff46b075cdb4eafdccc64d9fc66783bfb8c855e26a8cf7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ba185ae51b91342eff46b075cdb4eafdccc64d9fc66783bfb8c855e26a8cf7b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3020

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