yunsip | eeca3c65c555bd849cfa84518c1ea97ecdf3f0f7f9205ed692df5e7b1bcf52d2

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 03:43

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General

Target

e48a702e642026e8c29550037d661915_JaffaCakes118.dll
Size

143KB
MD5

e48a702e642026e8c29550037d661915
SHA1

7fc3de703ba76988da83ac376a9f1d447cc5cfb4
SHA256

eeca3c65c555bd849cfa84518c1ea97ecdf3f0f7f9205ed692df5e7b1bcf52d2
SHA512

a5a756f066ec8885bc92bffc1bcff3dea49dbb4ff0c1c21bfa6359fe38575101748c49c7cec8cc5297867e35b9db0714cf97194980f0b610671a3adcafd4b6cf
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0m:jDgtfRQUHPw06MoV2nwTBlhm8u

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 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31
PID 2788 wrote to memory of 2800	2788	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e48a702e642026e8c29550037d661915_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e48a702e642026e8c29550037d661915_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800

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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