yunsip | 2e02460134db65315e684ee0ebf800dd8972f891557f8d63226d3d29e41ef145

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 01:36

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General

Target

2e02460134db65315e684ee0ebf800dd8972f891557f8d63226d3d29e41ef145N.dll
Size

704KB
MD5

95f20e6268b8dc9a9ca37d2e039669f0
SHA1

c0fd36ae6d98717626e4542f8ee8d0c25cc40b6a
SHA256

2e02460134db65315e684ee0ebf800dd8972f891557f8d63226d3d29e41ef145
SHA512

7f35e0c791f5037b2b96ee8530c2fa21f675df38679971e1811be16665a34f29642d6663b4e575725a4121f3ab16f7e7448246a8080183051e17f25f5b0751d1
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY6:o6RI1Fo/wT3cJYYYYYYYYYYYY6

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 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e02460134db65315e684ee0ebf800dd8972f891557f8d63226d3d29e41ef145N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e02460134db65315e684ee0ebf800dd8972f891557f8d63226d3d29e41ef145N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1680

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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