yunsip | 6632fc5ec3340c29aed587f734670ca2f4a7c2b57d08f1a0d76f50131e396f3d

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 05:58

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General

Target

6632fc5ec3340c29aed587f734670ca2f4a7c2b57d08f1a0d76f50131e396f3d.dll
Size

1.0MB
MD5

7c881a25f0a01896be07b29c1805d6f8
SHA1

89eb1e453a1d2004f63e9110d5f8779fc67c24b9
SHA256

6632fc5ec3340c29aed587f734670ca2f4a7c2b57d08f1a0d76f50131e396f3d
SHA512

408fc1db1dac4814284789e724b9d7e5e4714af5dd23963ff76be13b1ec45953cc78b64e526210157c0ddc920c4b375ff19038198013e5c6aeea2895c27e26dc
SSDEEP

3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDO:o6C5AXbMn7UI1FoV2gwTBlrIckPE

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 2504 wrote to memory of 2552	2504	rundll32.exe	30
PID 2504 wrote to memory of 2552	2504	rundll32.exe	30
PID 2504 wrote to memory of 2552	2504	rundll32.exe	30
PID 2504 wrote to memory of 2552	2504	rundll32.exe	30
PID 2504 wrote to memory of 2552	2504	rundll32.exe	30
PID 2504 wrote to memory of 2552	2504	rundll32.exe	30
PID 2504 wrote to memory of 2552	2504	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6632fc5ec3340c29aed587f734670ca2f4a7c2b57d08f1a0d76f50131e396f3d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6632fc5ec3340c29aed587f734670ca2f4a7c2b57d08f1a0d76f50131e396f3d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2552

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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