yunsip | 82e229a2ad5bb0b83ce6dd994792922fa36636a303852237dfa2213daf97111f

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 01:21

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General

Target

82e229a2ad5bb0b83ce6dd994792922fa36636a303852237dfa2213daf97111f.dll
Size

1.1MB
MD5

4ff8593a6591e4dbb100c30e0b658235
SHA1

376a81ee7818f2738609183ba20a8daeb146c903
SHA256

82e229a2ad5bb0b83ce6dd994792922fa36636a303852237dfa2213daf97111f
SHA512

cc005ea9e828763df05cff169c8146e3b5467d68c1043472d415008b12849ba64141e2d888c85eb4e433ba6cdd07b1f767baf74a72bbf9f9e765b13b2dcb796e
SSDEEP

6144:jDgtfRQUHPw06MoV2nwTBlhm8zDgtfRQUHPw06MoV2nwTBlhm8J:jDgN6MoIwT3vDgN6MoIwT31

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 1952 wrote to memory of 1276	1952	rundll32.exe	28
PID 1952 wrote to memory of 1276	1952	rundll32.exe	28
PID 1952 wrote to memory of 1276	1952	rundll32.exe	28
PID 1952 wrote to memory of 1276	1952	rundll32.exe	28
PID 1952 wrote to memory of 1276	1952	rundll32.exe	28
PID 1952 wrote to memory of 1276	1952	rundll32.exe	28
PID 1952 wrote to memory of 1276	1952	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82e229a2ad5bb0b83ce6dd994792922fa36636a303852237dfa2213daf97111f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\82e229a2ad5bb0b83ce6dd994792922fa36636a303852237dfa2213daf97111f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1276

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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