yunsip | d3abf557101fe8ce97ea068290f87d24743cbe0bcbc73857e0e3f72edc225c0b

Resubmissions

19-11-2024 16:46

241119-t9xz6sygrj 10

19-11-2024 03:35

241119-d5v21svmaq 10

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 03:35

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General

Target

d3abf557101fe8ce97ea068290f87d24743cbe0bcbc73857e0e3f72edc225c0bN.dll
Size

730KB
MD5

219987362975616dc07d31e5fe0ff420
SHA1

01f77bfc5efebde4e305f47aba4411da661ca7bf
SHA256

d3abf557101fe8ce97ea068290f87d24743cbe0bcbc73857e0e3f72edc225c0b
SHA512

91f215e0629176d1d45c44503c68f535d0e9e409c01193bc74b8c1238a9e9e3a8eb6b021bd542d2275321855e16baaa975c3385c86a563a8bdaf6199f20e9a6f
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYi:o6RI1Fo/wT3cJYYYYYYYYYYYYi

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 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4928 wrote to memory of 1084	4928	rundll32.exe	84
PID 4928 wrote to memory of 1084	4928	rundll32.exe	84
PID 4928 wrote to memory of 1084	4928	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3abf557101fe8ce97ea068290f87d24743cbe0bcbc73857e0e3f72edc225c0bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3abf557101fe8ce97ea068290f87d24743cbe0bcbc73857e0e3f72edc225c0bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1084

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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