yunsip | 01cffd4ce3d32f200cc77810a38c74aee13ed217b24ea9a495ad179675f070ba

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 15:53

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General

Target

01cffd4ce3d32f200cc77810a38c74aee13ed217b24ea9a495ad179675f070baN.dll
Size

759KB
MD5

c52c5bc857ab73095493473fee53bdd0
SHA1

10b87177b0eab5efb7f54b3917ceacd7dd145909
SHA256

01cffd4ce3d32f200cc77810a38c74aee13ed217b24ea9a495ad179675f070ba
SHA512

1ec8c08bf7932b6680c278a25978d0b51bab329ebc8c13cadfadb50f13eaa2e959ef85feda08f3697e403a0d4627a5026cd540ee877637eac58f9b623e7c170b
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 2288 wrote to memory of 2360	2288	rundll32.exe	31
PID 2288 wrote to memory of 2360	2288	rundll32.exe	31
PID 2288 wrote to memory of 2360	2288	rundll32.exe	31
PID 2288 wrote to memory of 2360	2288	rundll32.exe	31
PID 2288 wrote to memory of 2360	2288	rundll32.exe	31
PID 2288 wrote to memory of 2360	2288	rundll32.exe	31
PID 2288 wrote to memory of 2360	2288	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\01cffd4ce3d32f200cc77810a38c74aee13ed217b24ea9a495ad179675f070baN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\01cffd4ce3d32f200cc77810a38c74aee13ed217b24ea9a495ad179675f070baN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2360

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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