yunsip | 6d56d33acc294d1f270b4595234370f638400540477911b37cf508cf4a20abc3

Analysis

max time kernel
99s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 13:07

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General

Target

92e6c86fcb6a0adc71f0fd2608a3ebe0N.dll
Size

719KB
MD5

92e6c86fcb6a0adc71f0fd2608a3ebe0
SHA1

f304ab1b860a2c57d3ea09f86ddf9701eb1a4e31
SHA256

6d56d33acc294d1f270b4595234370f638400540477911b37cf508cf4a20abc3
SHA512

3815d14ffdfca7843584e714fde70f764391b73fe68e603c09fe318c58258afd4c6217f187afc463c56de9082b22f8aa8c286bd2135b667c06c30c2005207479
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYr:o6RI1Fo/wT3cJYYYYYYYYYYYYr

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 3 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 4496	2888	rundll32.exe	83
PID 2888 wrote to memory of 4496	2888	rundll32.exe	83
PID 2888 wrote to memory of 4496	2888	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\92e6c86fcb6a0adc71f0fd2608a3ebe0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\92e6c86fcb6a0adc71f0fd2608a3ebe0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4496

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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