yunsip | ac25645af7685035c230a46f6b85196d72b7bc35d85f3f4d70f36181219114cb

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 09:51

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General

Target

2efe7ef56f249e964cbe28c5fbded930_JaffaCakes118.dll
Size

195KB
MD5

2efe7ef56f249e964cbe28c5fbded930
SHA1

c5971344c48206d63ecedc625adcd0e6f8459456
SHA256

ac25645af7685035c230a46f6b85196d72b7bc35d85f3f4d70f36181219114cb
SHA512

ed7f8f949c7320655d93a56c6cefc3662539b6cc0ff7f1d220f78e323dc36852b252b2499d2f6e3cd5732d122b0c40a513bb55d38b13b393cd0bdd23d8726388
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0N:jDgtfRQUHPw06MoV2nwTBlhm8l

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

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 3012 wrote to memory of 1848	3012	rundll32.exe	30
PID 3012 wrote to memory of 1848	3012	rundll32.exe	30
PID 3012 wrote to memory of 1848	3012	rundll32.exe	30
PID 3012 wrote to memory of 1848	3012	rundll32.exe	30
PID 3012 wrote to memory of 1848	3012	rundll32.exe	30
PID 3012 wrote to memory of 1848	3012	rundll32.exe	30
PID 3012 wrote to memory of 1848	3012	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2efe7ef56f249e964cbe28c5fbded930_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2efe7ef56f249e964cbe28c5fbded930_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1848

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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