yunsip | 3ea70944479b54a134a448346ee6aaad5ad0ac211043f91c6887a1c6cf4de253

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 15:45

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General

Target

fed78048b82ffb1fea2660581c1bbc60_JaffaCakes118.dll
Size

193KB
MD5

fed78048b82ffb1fea2660581c1bbc60
SHA1

980c0731f2abf08aa2d16fed7591da20447113a9
SHA256

3ea70944479b54a134a448346ee6aaad5ad0ac211043f91c6887a1c6cf4de253
SHA512

59d1d2b847030aa938e3add6e8a21a5fa114edd2c73c3fb14393ab421d02784a0032ab4442236b9e3ed2c2665b970a8392ad1bab3117bed101f6731447d67114
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q04:jDgtfRQUHPw06MoV2nwTBlhm8Q

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 1172 wrote to memory of 2344	1172	rundll32.exe	31
PID 1172 wrote to memory of 2344	1172	rundll32.exe	31
PID 1172 wrote to memory of 2344	1172	rundll32.exe	31
PID 1172 wrote to memory of 2344	1172	rundll32.exe	31
PID 1172 wrote to memory of 2344	1172	rundll32.exe	31
PID 1172 wrote to memory of 2344	1172	rundll32.exe	31
PID 1172 wrote to memory of 2344	1172	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed78048b82ffb1fea2660581c1bbc60_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed78048b82ffb1fea2660581c1bbc60_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344

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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