yunsip | 175a8e1eb98aba52ebcc3797719a71557f34559be648abab181bb7064b846ed9

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
19-11-2024 01:00

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General

Target

175a8e1eb98aba52ebcc3797719a71557f34559be648abab181bb7064b846ed9N.dll
Size

1.1MB
MD5

a984023cd660cfa96bb2db9ce69cada0
SHA1

49c4bae6b8a89fd7316dab500fe4d370ed480345
SHA256

175a8e1eb98aba52ebcc3797719a71557f34559be648abab181bb7064b846ed9
SHA512

f84426497a07213fe5c32240dd854c2e111dba9f9c373f01f6e731ecb5fe01c19a98245577340e5eeb20062cb615d718325007ca5dbffe5f1f309d1f1e447415
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY2:o6RI1Fo/wT3cJYYYYYYYYYYYY2

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 1388 wrote to memory of 2692	1388	rundll32.exe	31
PID 1388 wrote to memory of 2692	1388	rundll32.exe	31
PID 1388 wrote to memory of 2692	1388	rundll32.exe	31
PID 1388 wrote to memory of 2692	1388	rundll32.exe	31
PID 1388 wrote to memory of 2692	1388	rundll32.exe	31
PID 1388 wrote to memory of 2692	1388	rundll32.exe	31
PID 1388 wrote to memory of 2692	1388	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\175a8e1eb98aba52ebcc3797719a71557f34559be648abab181bb7064b846ed9N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\175a8e1eb98aba52ebcc3797719a71557f34559be648abab181bb7064b846ed9N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2692

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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