yunsip | 29eb9ab17a6eab29731b74b48b6d9a2809818d4ee4892ba362b31c7d4a072b2e

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 06:28

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General

Target

JaffaCakes118_14839615db4b261d73f21e05d63a2624.dll
Size

306KB
MD5

14839615db4b261d73f21e05d63a2624
SHA1

47b2670d7d3dcc52572844e7c8f0a720c4be7790
SHA256

29eb9ab17a6eab29731b74b48b6d9a2809818d4ee4892ba362b31c7d4a072b2e
SHA512

577ede8b9cf330e32f37ef349e2503b57184185ec9e6b8edbd6685c04f32caace7b85a7797cb81a0939d95c13f6d2a18c25891108968c6e0386cc7f39add83e5
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q08:jDgtfRQUHPw06MoV2nwTBlhm8E

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 3 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 3564	4240	rundll32.exe	83
PID 4240 wrote to memory of 3564	4240	rundll32.exe	83
PID 4240 wrote to memory of 3564	4240	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14839615db4b261d73f21e05d63a2624.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14839615db4b261d73f21e05d63a2624.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3564

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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