yunsip | 7c7f83aaa6c05db68970559a466ab0c6cae6b01d318a4faea393346da3ae0ce3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 23:27

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General

Target

7c7f83aaa6c05db68970559a466ab0c6cae6b01d318a4faea393346da3ae0ce3.dll
Size

818KB
MD5

22f56aaf8267941c0b8523c9b2ae898b
SHA1

255d3226910d61a5b79e03f0d389c6b20cdff2a4
SHA256

7c7f83aaa6c05db68970559a466ab0c6cae6b01d318a4faea393346da3ae0ce3
SHA512

7cb3056d951341f2f869c1cfe191abbda2c324c39e749035ca3b3eecac0af843a31d29e4f83a82073c80bee0b97bf194276a11538dbd0f83dc70f5f35f36fe1e
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYo:o6RI1Fo/wT3cJYYYYYYYYYYYYo

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 1532 wrote to memory of 548	1532	rundll32.exe	28
PID 1532 wrote to memory of 548	1532	rundll32.exe	28
PID 1532 wrote to memory of 548	1532	rundll32.exe	28
PID 1532 wrote to memory of 548	1532	rundll32.exe	28
PID 1532 wrote to memory of 548	1532	rundll32.exe	28
PID 1532 wrote to memory of 548	1532	rundll32.exe	28
PID 1532 wrote to memory of 548	1532	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c7f83aaa6c05db68970559a466ab0c6cae6b01d318a4faea393346da3ae0ce3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c7f83aaa6c05db68970559a466ab0c6cae6b01d318a4faea393346da3ae0ce3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:548

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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