yunsip | 7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 23:55

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General

Target

7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461.dll
Size

869KB
MD5

e63483bd8610fac14fb01ac749ab6bf6
SHA1

801e4ac01ec5ec5ab69090cdf252f89e1943829a
SHA256

7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461
SHA512

3df285feb287d29bc7db0db0226cbfc3dc12873b24ff1192c48dd6a2f634b6388482fc2129bb1d71773c82fc1131d7c719384e66fb91503b18988f7bbae0b751
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0z:jDgtfRQUHPw06MoV2nwTBlhm8L

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 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164

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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