yunsip | 9b69043bcd7b06050490be2bd120325f85a567b9a234c703c3d7fe6316446431

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 11:35

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General

Target

9b69043bcd7b06050490be2bd120325f85a567b9a234c703c3d7fe6316446431N.dll
Size

606KB
MD5

e924f4b728f415297f35f9d6ade53f50
SHA1

d3ffc22ae7428e38c69f2aa0bb18a157519ef848
SHA256

9b69043bcd7b06050490be2bd120325f85a567b9a234c703c3d7fe6316446431
SHA512

29044b7657c36a05c5d166ac6b870e098593750950527ba1a58929a9595f110303de0390e7dc43f604d81ff89ceefe0bb5e7ad70a886127459c4f8b439f08f4e
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY5:o6RI1Fo/wT3cJYYYYYYYYYYYY5

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 2280 wrote to memory of 1984	2280	rundll32.exe	31
PID 2280 wrote to memory of 1984	2280	rundll32.exe	31
PID 2280 wrote to memory of 1984	2280	rundll32.exe	31
PID 2280 wrote to memory of 1984	2280	rundll32.exe	31
PID 2280 wrote to memory of 1984	2280	rundll32.exe	31
PID 2280 wrote to memory of 1984	2280	rundll32.exe	31
PID 2280 wrote to memory of 1984	2280	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b69043bcd7b06050490be2bd120325f85a567b9a234c703c3d7fe6316446431N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b69043bcd7b06050490be2bd120325f85a567b9a234c703c3d7fe6316446431N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1984

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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