yunsip | d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9c

Analysis

max time kernel
78s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 22:08

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General

Target

d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9cN.dll
Size

1.1MB
MD5

04a18842ea0f40c06c48785257315ee0
SHA1

f9f8b6d80d654d2a9b19a486b7b8df1de1ec3de6
SHA256

d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9c
SHA512

5e55760ac00d75b9c4da6a9fc92610f658f1adf2c0c5e4d206f82cff94682a754e3d0a6e881aca2a55a197f1027a7df1b5a9ae92d7905f21851a13007751cafe
SSDEEP

6144:jDgtfRQUHPw06MoV2nwTBlhm8zDgtfRQUHPw06MoV2nwTBlhm8Y:jDgN6MoIwT3vDgN6MoIwT3k

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

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 108 wrote to memory of 1724	108	rundll32.exe	31
PID 108 wrote to memory of 1724	108	rundll32.exe	31
PID 108 wrote to memory of 1724	108	rundll32.exe	31
PID 108 wrote to memory of 1724	108	rundll32.exe	31
PID 108 wrote to memory of 1724	108	rundll32.exe	31
PID 108 wrote to memory of 1724	108	rundll32.exe	31
PID 108 wrote to memory of 1724	108	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724

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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