yunsip | 32f772d2916392b6897012a1c5cd32cd257afb41c27970c084ff572cb5dbd049

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 11:40

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General

Target

b7ae61d80a57a945f767a81adfd69f30N.dll
Size

675KB
MD5

b7ae61d80a57a945f767a81adfd69f30
SHA1

6ae0162f1aa3cc77bd8de3ad387d224c84cfd8fd
SHA256

32f772d2916392b6897012a1c5cd32cd257afb41c27970c084ff572cb5dbd049
SHA512

fde0a0dd2542921a57c24cb73489ed7b6224e69009bfe3646efa78396ceef84d07cb91adf6d031aff1bf54f50674b50977785cdaec1a25b71d401fbcc05152d8
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYh:o6RI1Fo/wT3cJYYYYYYYYYYYYh

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 1596 wrote to memory of 1176	1596	rundll32.exe	30
PID 1596 wrote to memory of 1176	1596	rundll32.exe	30
PID 1596 wrote to memory of 1176	1596	rundll32.exe	30
PID 1596 wrote to memory of 1176	1596	rundll32.exe	30
PID 1596 wrote to memory of 1176	1596	rundll32.exe	30
PID 1596 wrote to memory of 1176	1596	rundll32.exe	30
PID 1596 wrote to memory of 1176	1596	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7ae61d80a57a945f767a81adfd69f30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7ae61d80a57a945f767a81adfd69f30N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1176

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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