yunsip | e948a377fc14f85a181fbe1beb93027cc3acbe32ef1cf0a4abe2c57fc9963cb3

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 07:49

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General

Target

e948a377fc14f85a181fbe1beb93027cc3acbe32ef1cf0a4abe2c57fc9963cb3N.dll
Size

1.1MB
MD5

87a4de1b7ef15a5b3569a19fb1032570
SHA1

6e7852e81f82132ed45edaf64a01a82630fe465c
SHA256

e948a377fc14f85a181fbe1beb93027cc3acbe32ef1cf0a4abe2c57fc9963cb3
SHA512

c62f41ac73d64b7035e2a0721894c2735deb585339840c008e720c7148977c94c0bde0716330da5b7364287ecc1a9c7055a69640f450133a053001272e0e8671
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYl:o6RI1Fo/wT3cJYYYYYYYYYYYYl

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 2896 wrote to memory of 2908	2896	rundll32.exe	28
PID 2896 wrote to memory of 2908	2896	rundll32.exe	28
PID 2896 wrote to memory of 2908	2896	rundll32.exe	28
PID 2896 wrote to memory of 2908	2896	rundll32.exe	28
PID 2896 wrote to memory of 2908	2896	rundll32.exe	28
PID 2896 wrote to memory of 2908	2896	rundll32.exe	28
PID 2896 wrote to memory of 2908	2896	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e948a377fc14f85a181fbe1beb93027cc3acbe32ef1cf0a4abe2c57fc9963cb3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e948a377fc14f85a181fbe1beb93027cc3acbe32ef1cf0a4abe2c57fc9963cb3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908

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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