yunsip | 678133354a1edd1d2b74801bbb1b73f1561acf51d0cb4f6997b4c7a3b64d3bfb

Analysis

max time kernel
30s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 21:47

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General

Target

678133354a1edd1d2b74801bbb1b73f1561acf51d0cb4f6997b4c7a3b64d3bfb.dll
Size

721KB
MD5

5f927f39e188d414453ff295b518be6c
SHA1

f54aa6ed75eafed47b09cac0bbb507f05db07f19
SHA256

678133354a1edd1d2b74801bbb1b73f1561acf51d0cb4f6997b4c7a3b64d3bfb
SHA512

cabdf432e9c230b16b5a54f102449c7a566bbd62fb6d9fc284138f445f0ee7a623090aefb2627aaee6f93052135dedae8ee8dd78a1966645b16c2b5958404c52
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY3:o6RI1Fo/wT3cJYYYYYYYYYYYY3

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 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\678133354a1edd1d2b74801bbb1b73f1561acf51d0cb4f6997b4c7a3b64d3bfb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\678133354a1edd1d2b74801bbb1b73f1561acf51d0cb4f6997b4c7a3b64d3bfb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2736

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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