yunsip | 2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 00:25

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General

Target

2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866.dll
Size

783KB
MD5

a9cd25c63af66fc9800ce9a119524a41
SHA1

ed70474095400ae4aebc1ef08878be1053eeed1d
SHA256

2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866
SHA512

7d6dccab6099001190767de6dd72656bd80a3e291627099849e2674a572a8309306f4c52d217e7e29735b0b77c4facbdfa351d76f3581c0bd29de5280ead7a6b
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0+:jDgtfRQUHPw06MoV2nwTBlhm82

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 2904 wrote to memory of 2080	2904	rundll32.exe	30
PID 2904 wrote to memory of 2080	2904	rundll32.exe	30
PID 2904 wrote to memory of 2080	2904	rundll32.exe	30
PID 2904 wrote to memory of 2080	2904	rundll32.exe	30
PID 2904 wrote to memory of 2080	2904	rundll32.exe	30
PID 2904 wrote to memory of 2080	2904	rundll32.exe	30
PID 2904 wrote to memory of 2080	2904	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fcc0412df67cd6c5984e237a77efc04ba3739b72acd2d5f39bfa5a2333fd866.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2080

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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