yunsip | 39552490faeec163960e03559ea56fad385e1ae45293260f097cbee976d065ba

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 05:20

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General

Target

39552490faeec163960e03559ea56fad385e1ae45293260f097cbee976d065baN.dll
Size

1.0MB
MD5

0540a2ef4b069f38fb9888ccab374e10
SHA1

c57e533e0d509f992e50029a7283a5e704659c51
SHA256

39552490faeec163960e03559ea56fad385e1ae45293260f097cbee976d065ba
SHA512

60c5df26c33d7566872f8c30c68c1bc0a724a252dedb943df428955ab1ae95764c3ebd864e1ffbeed522afd1ced0f9b4d22db9f8f6f425103163342b41215e60
SSDEEP

3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDW:o6C5AXbMn7UI1FoV2gwTBlrIckPc

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 2068 wrote to memory of 2344	2068	rundll32.exe	30
PID 2068 wrote to memory of 2344	2068	rundll32.exe	30
PID 2068 wrote to memory of 2344	2068	rundll32.exe	30
PID 2068 wrote to memory of 2344	2068	rundll32.exe	30
PID 2068 wrote to memory of 2344	2068	rundll32.exe	30
PID 2068 wrote to memory of 2344	2068	rundll32.exe	30
PID 2068 wrote to memory of 2344	2068	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39552490faeec163960e03559ea56fad385e1ae45293260f097cbee976d065baN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\39552490faeec163960e03559ea56fad385e1ae45293260f097cbee976d065baN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344

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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