yunsip | a32bea41d0794e2e3108f1150fa5dc5079f93dc4c67460174c5211cb7c1e1041

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 21:17

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General

Target

a32bea41d0794e2e3108f1150fa5dc5079f93dc4c67460174c5211cb7c1e1041.dll
Size

1.1MB
MD5

ed7365dbc76d9f886824453df2f9f934
SHA1

61405bb2bc6a546e112e8ed76cd145130c71f70e
SHA256

a32bea41d0794e2e3108f1150fa5dc5079f93dc4c67460174c5211cb7c1e1041
SHA512

6b3afbffd1ae76fad63d40f00f0b346c75b560b9464309a2bfee677bb5ee935fbd989ca7586b5bf8b0ee64d6be310a1a684acb1c9c6349e41e743e1f8ad299b1
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYC:o6RI1Fo/wT3cJYYYYYYYYYYYYC

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 772 wrote to memory of 1124	772	rundll32.exe	30
PID 772 wrote to memory of 1124	772	rundll32.exe	30
PID 772 wrote to memory of 1124	772	rundll32.exe	30
PID 772 wrote to memory of 1124	772	rundll32.exe	30
PID 772 wrote to memory of 1124	772	rundll32.exe	30
PID 772 wrote to memory of 1124	772	rundll32.exe	30
PID 772 wrote to memory of 1124	772	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a32bea41d0794e2e3108f1150fa5dc5079f93dc4c67460174c5211cb7c1e1041.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a32bea41d0794e2e3108f1150fa5dc5079f93dc4c67460174c5211cb7c1e1041.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1124

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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