yunsip | 35b42a29aa8c8b380bbf0764e381caafe535453f6997fc6be170751af23c1920

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 23:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_5c951eb26d153da2f7cafdabb0f4ef3d.dll
Size

360KB
MD5

5c951eb26d153da2f7cafdabb0f4ef3d
SHA1

656f22564ec3d99af5a7e3795b9dbb6eb39dbf29
SHA256

35b42a29aa8c8b380bbf0764e381caafe535453f6997fc6be170751af23c1920
SHA512

b3808dea83357077f9ca237ceb186abe063bd024e8c239004da918b454b83f9c29e7c68bd9dd6dc288fe493ddc547246ca89248bcc9a220bfa13074dec703f7b
SSDEEP

3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDE:o6C5AXbMn7UI1FoV2gwTBlrIckPi

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 2284 wrote to memory of 2288	2284	rundll32.exe	28
PID 2284 wrote to memory of 2288	2284	rundll32.exe	28
PID 2284 wrote to memory of 2288	2284	rundll32.exe	28
PID 2284 wrote to memory of 2288	2284	rundll32.exe	28
PID 2284 wrote to memory of 2288	2284	rundll32.exe	28
PID 2284 wrote to memory of 2288	2284	rundll32.exe	28
PID 2284 wrote to memory of 2288	2284	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c951eb26d153da2f7cafdabb0f4ef3d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c951eb26d153da2f7cafdabb0f4ef3d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2288

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

Replay Monitor

Loading Replay Monitor...

Downloads