yunsip | f3863ec8fdbe74ed1ff9e94af118d40603ec250150653ff0a7ede02f68bea5a6

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 09:58

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General

Target

cd524159df104983d1f12011609ddf30N.dll
Size

805KB
MD5

cd524159df104983d1f12011609ddf30
SHA1

419f984c834ea4f0f34f9daeb9cc35a8088425d5
SHA256

f3863ec8fdbe74ed1ff9e94af118d40603ec250150653ff0a7ede02f68bea5a6
SHA512

a652c0cc61f0a77f42ca175bdb4b2d805518bf99b647f6d72806773ddcd400ac9022fd03efc5f74a5bebfc67a3066291d1d2c1f5809dc7a6d3c298d521e2855d
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY1:o6RI1Fo/wT3cJYYYYYYYYYYYY1

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 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd524159df104983d1f12011609ddf30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd524159df104983d1f12011609ddf30N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052

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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