yunsip | 9b9a48f54738053c92b2567d2cc248679adae84f07e5238e7f277e904bd64733

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 01:02

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General

Target

9b9a48f54738053c92b2567d2cc248679adae84f07e5238e7f277e904bd64733.dll
Size

770KB
MD5

aa10a53ec9ef9e564f99cb80bc8eed66
SHA1

2de57176c7c5e4143a8e2e05f839ae612ed58685
SHA256

9b9a48f54738053c92b2567d2cc248679adae84f07e5238e7f277e904bd64733
SHA512

c5eb97639a257a0a764844e851957852bc9bbcb158af45a1f15f354ab79219cde1809abcb19cf498fb2bf0e8ee0009d1c0e9e4ffa920eb9ea389cf4b1dcc0179
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYg:o6RI1Fo/wT3cJYYYYYYYYYYYYg

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 2704 wrote to memory of 2752	2704	rundll32.exe	31
PID 2704 wrote to memory of 2752	2704	rundll32.exe	31
PID 2704 wrote to memory of 2752	2704	rundll32.exe	31
PID 2704 wrote to memory of 2752	2704	rundll32.exe	31
PID 2704 wrote to memory of 2752	2704	rundll32.exe	31
PID 2704 wrote to memory of 2752	2704	rundll32.exe	31
PID 2704 wrote to memory of 2752	2704	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b9a48f54738053c92b2567d2cc248679adae84f07e5238e7f277e904bd64733.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b9a48f54738053c92b2567d2cc248679adae84f07e5238e7f277e904bd64733.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752

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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