yunsip | ff243e3a9f1a89879099589eec4acec6803a3742aa186203fbac1432c28bd390

Analysis

max time kernel
150s
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
31-10-2024 06:01

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General

Target

81e7077a41d476b37068f48fa8cd739a_JaffaCakes118.dll
Size

308KB
MD5

81e7077a41d476b37068f48fa8cd739a
SHA1

3d21e08dbc6db4739733851ca6cbc7fa342f598b
SHA256

ff243e3a9f1a89879099589eec4acec6803a3742aa186203fbac1432c28bd390
SHA512

61765f609c64a7d53390532a49a27ffb30dcc977ca1cd913d469f0317ae1ff8e5d0579ee55a1f3668ea435095f07daddba4e011a51d639ec3d5d67b68792d96e
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0G:jDgtfRQUHPw06MoV2nwTBlhm8+

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 4912 wrote to memory of 1200	4912	rundll32.exe	84
PID 4912 wrote to memory of 1200	4912	rundll32.exe	84
PID 4912 wrote to memory of 1200	4912	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81e7077a41d476b37068f48fa8cd739a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\81e7077a41d476b37068f48fa8cd739a_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1200

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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