yunsip | 045a53e1b87c651a9fbed462127e6cd229ccea30f4a7ffe63e067fb396a09f1d

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 01:43

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General

Target

045a53e1b87c651a9fbed462127e6cd229ccea30f4a7ffe63e067fb396a09f1d.dll
Size

759KB
MD5

f1028f7ff4adb1d29f5e47d1d7d8b10a
SHA1

e71f254406deb84113202790eaa8d4164412d199
SHA256

045a53e1b87c651a9fbed462127e6cd229ccea30f4a7ffe63e067fb396a09f1d
SHA512

85a2b61a863e1a302ebf1bd72c5fee57b6a0c799e575bddf9a7ebd1ac81bbff94eb870ebd57723096625e32db293d9016eed5df41829f6d5f98925b4ab779513
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYz:o6RI1Fo/wT3cJYYYYYYYYYYYYz

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
Yunsip family
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 1800 wrote to memory of 3012	1800	rundll32.exe	30
PID 1800 wrote to memory of 3012	1800	rundll32.exe	30
PID 1800 wrote to memory of 3012	1800	rundll32.exe	30
PID 1800 wrote to memory of 3012	1800	rundll32.exe	30
PID 1800 wrote to memory of 3012	1800	rundll32.exe	30
PID 1800 wrote to memory of 3012	1800	rundll32.exe	30
PID 1800 wrote to memory of 3012	1800	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\045a53e1b87c651a9fbed462127e6cd229ccea30f4a7ffe63e067fb396a09f1d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\045a53e1b87c651a9fbed462127e6cd229ccea30f4a7ffe63e067fb396a09f1d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3012

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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