yunsip | 93e4ddc7e41cd80d89004774f89b5eea2159ef963d1e3632a728fc389ed60457

Analysis

max time kernel
101s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 12:23

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General

Target

4d5d57a2ec2f9bacac2135a99887d8f0N.dll
Size

1.0MB
MD5

4d5d57a2ec2f9bacac2135a99887d8f0
SHA1

71cb7b6010e97076332a68a3bdd1b4d3e675f9dd
SHA256

93e4ddc7e41cd80d89004774f89b5eea2159ef963d1e3632a728fc389ed60457
SHA512

809a03a69926c0e56fc73c83551590b1c068b96d41f96b8f1256416bcaf23ebfae94f2a01ebaa98b1454684ac5b69f008269901d8febd8e52818c8d44bf19822
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm8o

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 3 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 404	916	rundll32.exe	84
PID 916 wrote to memory of 404	916	rundll32.exe	84
PID 916 wrote to memory of 404	916	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d5d57a2ec2f9bacac2135a99887d8f0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d5d57a2ec2f9bacac2135a99887d8f0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:404

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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