yunsip | bd560c592a9fbcf534d79ffa16b7e7a2f4129e966a9389437cae9d338bc71e36

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 09:02

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General

Target

bd560c592a9fbcf534d79ffa16b7e7a2f4129e966a9389437cae9d338bc71e36.dll
Size

704KB
MD5

93af5e20130c1cfd30921dd24a4ccca9
SHA1

0b5e37644f8f78073c44d289455aef1ed3e6cdcf
SHA256

bd560c592a9fbcf534d79ffa16b7e7a2f4129e966a9389437cae9d338bc71e36
SHA512

8e6671837c3ae626a1a4f2d5b19d526621e5ab503fb9f2e4220c3df203d2577555efc1bb60ea5eac91e8e41d8a2793a1658f284b22ffef3219f05539c210c24d
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYa:o6RI1Fo/wT3cJYYYYYYYYYYYYa

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 7 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 2452	1124	rundll32.exe	30
PID 1124 wrote to memory of 2452	1124	rundll32.exe	30
PID 1124 wrote to memory of 2452	1124	rundll32.exe	30
PID 1124 wrote to memory of 2452	1124	rundll32.exe	30
PID 1124 wrote to memory of 2452	1124	rundll32.exe	30
PID 1124 wrote to memory of 2452	1124	rundll32.exe	30
PID 1124 wrote to memory of 2452	1124	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd560c592a9fbcf534d79ffa16b7e7a2f4129e966a9389437cae9d338bc71e36.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd560c592a9fbcf534d79ffa16b7e7a2f4129e966a9389437cae9d338bc71e36.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2452

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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