yunsip | 2f0b0e1987095ff852b99c3012ff2a83f654ef32710b3feb82d0753ed2e4c95d

Analysis

max time kernel
93s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2024 05:25

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General

Target

2f0b0e1987095ff852b99c3012ff2a83f654ef32710b3feb82d0753ed2e4c95d.dll
Size

807KB
MD5

8cccefa8451884c106524fba717c66b1
SHA1

190337cffdcaa9e9f144ca382c53273a6470afcb
SHA256

2f0b0e1987095ff852b99c3012ff2a83f654ef32710b3feb82d0753ed2e4c95d
SHA512

be6d54aae0d3065e75740757a6075fa7f15e6c8a4db646c30872f849404f99ff54de09b99685773e3f8945a18c3ee10a460116ab6df269709ec137a2c303b3af
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
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4116 wrote to memory of 4644	4116	rundll32.exe	rundll32.exe
PID 4116 wrote to memory of 4644	4116	rundll32.exe	rundll32.exe
PID 4116 wrote to memory of 4644	4116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f0b0e1987095ff852b99c3012ff2a83f654ef32710b3feb82d0753ed2e4c95d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f0b0e1987095ff852b99c3012ff2a83f654ef32710b3feb82d0753ed2e4c95d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4644

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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