yunsip | 84ba53f6989c952463339d1fb9655798dce18f032e5cc63d9f904c5f76cea4be

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 10:17

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General

Target

84ba53f6989c952463339d1fb9655798dce18f032e5cc63d9f904c5f76cea4beN.dll
Size

1.1MB
MD5

ad08631e0458448e0cae5f0294cd1e80
SHA1

9480f66d8de0f92b0389809e348df7e55e6b2775
SHA256

84ba53f6989c952463339d1fb9655798dce18f032e5cc63d9f904c5f76cea4be
SHA512

87fea77cf87101139074d27255ca5bb976ecff7b3c3ce314ea4f18c20cc2e45cd611e9671bbb02b7405b393232c05175d7e25719a08b10c1b6d7a53f5a903cb3
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0o:jDgtfRQUHPw06MoV2nwTBlhm8w

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 2244 wrote to memory of 3000	2244	rundll32.exe	30
PID 2244 wrote to memory of 3000	2244	rundll32.exe	30
PID 2244 wrote to memory of 3000	2244	rundll32.exe	30
PID 2244 wrote to memory of 3000	2244	rundll32.exe	30
PID 2244 wrote to memory of 3000	2244	rundll32.exe	30
PID 2244 wrote to memory of 3000	2244	rundll32.exe	30
PID 2244 wrote to memory of 3000	2244	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\84ba53f6989c952463339d1fb9655798dce18f032e5cc63d9f904c5f76cea4beN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\84ba53f6989c952463339d1fb9655798dce18f032e5cc63d9f904c5f76cea4beN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000

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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