yunsip | cdf4687cb4562711ac9daddd3ef4d0697d1ae78f3895fdbde5e9730e863cfdd5

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 00:34

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General

Target

JaffaCakes118_40e6214f4e7279463dcd7e93348683c0.dll
Size

777KB
MD5

40e6214f4e7279463dcd7e93348683c0
SHA1

677b300d3c4bc2b88cba8d2171946311b9afa81a
SHA256

cdf4687cb4562711ac9daddd3ef4d0697d1ae78f3895fdbde5e9730e863cfdd5
SHA512

d1a44305657f845addefe6e2bcc647881f104386d132ee3c64f3673b4317ff02b6dddfe9b9b65c727c8a6fb932dde4bd495822160341d971e79afe68c26832e6
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0o2gqTNY4i:jDgtfRQUHPw06MoV2nwTBlhm8pgqTu

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 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31
PID 1628 wrote to memory of 2076	1628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e6214f4e7279463dcd7e93348683c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e6214f4e7279463dcd7e93348683c0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2076

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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